Arena run #511

meanrev-v1amazonamazon/nova-premier-v1USsuccess
Arena
Run status
as_of: 2026-03-08T18:08:31.007911+00:00
started_at: 2026-03-08T20:54:03.767492+00:00
finished_at: 2026-03-08T20:54:23.491902+00:00
duration_ms: 19723
Inputs
{
  "as_of": "2026-03-08T18:08:31.007911+00:00",
  "dry_run": false,
  "selected": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "-12.9% 1D move with +22.6% distance from MA200",
      "mean_reversion_score": 75
    },
    {
      "symbol": "EZJ_CFD.UK",
      "selection_reason": "-13.6% 1D decline with -16.4% MA200 distance",
      "mean_reversion_score": 80
    },
    {
      "symbol": "WDC_CFD.US",
      "selection_reason": "-7.2% pullback with +4.9% MA50 distance",
      "mean_reversion_score": 65
    },
    {
      "symbol": "CE_CFD.US",
      "selection_reason": "+2.0% recovery with +5.5% MA200 distance",
      "mean_reversion_score": 70
    },
    {
      "symbol": "FLEX_CFD.US",
      "selection_reason": "-3.4% correction with +7.0% MA200 distance",
      "mean_reversion_score": 68
    }
  ],
  "simulate_only": false,
  "strict_replay": false,
  "universe_symbols": [
    "MCG_CFD.UK",
    "UTG_CFD.UK",
    "TRN_CFD.UK",
    "CBG_CFD.UK",
    "DOM_CFD.UK",
    "DLN_CFD.UK",
    "CCL_CFD.UK",
    "SGRO_CFD.UK",
    "RHIM_CFD.UK",
    "LIO_CFD.UK",
    "WEIR_CFD.UK",
    "BBY_CFD.UK",
    "ORCL_CFD.US",
    "CIEN_CFD.US",
    "SHOP_CFD.US",
    "DPLM_CFD.UK",
    "IPO_CFD.UK",
    "ATG_CFD.UK",
    "SVXY_CFD.ETF",
    "AAP_CFD.US",
    "EZJ_CFD.UK",
    "NBIS_CFD.US",
    "BRNK_CFD.DE",
    "LRCX_CFD.US",
    "TBCG_CFD.UK",
    "WKP_CFD.UK",
    "WDC_CFD.US",
    "PZC_CFD.UK",
    "MU_CFD.US",
    "FUTR_CFD.UK",
    "OCDO_CFD.UK",
    "VIAV_CFD.US",
    "KLAC_CFD.US",
    "CRDA_CFD.UK",
    "DLR_CFD.US",
    "CE_CFD.US",
    "IHG_CFD.UK",
    "SMHN_CFD.DE",
    "CF_CFD.US",
    "NRG_CFD.US",
    "PLTR_CFD.US",
    "MSLH_CFD.UK",
    "FLEX_CFD.US",
    "RVTY_CFD.US",
    "MOS_CFD.US",
    "NXT_CFD.UK",
    "VST_CFD.US"
  ]
}
Outputs
{
  "actions": {
    "buy": [
      {
        "reason": "Strong mean reversion candidate (score 75) with -12.9% deviation from MA200",
        "symbol": "TRN_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "AKAM_CFD.US"
      },
      {
        "reason": "No significant price movement",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "CBG_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "CCL_CFD.UK"
      },
      {
        "reason": "Candidate but already held - wait for better opportunity",
        "symbol": "EZJ_CFD.UK"
      },
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "HMSO_CFD.UK"
      },
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "LXS_CFD.DE"
      },
      {
        "reason": "No significant price movement",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "PAGE_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Overtrading protection: already 10 positions, need to sell first",
        "symbol": "CABO_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "Maintained core holdings while adding TRN_CFD.UK based on strong mean-reversion signal. Prioritized high-confidence opportunities to avoid overtrading per strategy rules."
}
Prompts & responses
#1007openrouteramazon/nova-premier-v12026-03-08T20:54:03.810799+00:00
System prompt
You are an Arena strategy executor. You must follow the strategy rules strictly and output ONLY valid JSON. You are NOT allowed to invent prices, fundamentals, earnings dates, or sentiment. If a field is null/empty, treat it as unknown. You are a constrained selector (no narrative).
User prompt
{"task": "stage1_universe_scan", "region": "US", "strategy": {"key": "meanrev-v1", "name": "Two-Stage LLM Mean-Reversion (Arena v1)", "rules": {"max_positions": 10, "max_buys_per_run": 2, "avoid_overtrading": true, "max_sells_per_run": 2, "max_gross_leverage": 3.0, "fixed_position_size": 3000.0, "universe_symbols_eu": [], "universe_symbols_us": []}}, "selection_rules": {"horizon": "2-10 trading days", "target": "short-term mean reversion in liquid equities", "constraints": ["Select exactly 5 candidates", "Avoid earnings within 5 trading days (if known)", "Avoid highly binary/event-driven moves (if known)", "Avoid sector concentration: max 1 per sector unless clearly justified (sector may be unknown)"]}, "universe": [{"symbol": "MCG_CFD.UK", "name": "MOBICO GROUP PLC", "sector": "", "last_price": 30.54, "change_1d_pct": 21.867517956903427, "distance_from_ma200_pct": 10.17176911546931, "distance_from_ma50_pct": 28.667486813057195, "volatility_20d_pct": 211.42235702559637, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "UTG_CFD.UK", "name": "UNITE GROUP PLC/THE", "sector": "", "last_price": 567.5, "change_1d_pct": 3.4639927073837784, "distance_from_ma200_pct": -23.929923575376698, "distance_from_ma50_pct": -3.6875042216270137, "volatility_20d_pct": 73.84223442053181, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "TRN_CFD.UK", "name": "TRAINLINE PLC", "sector": "", "last_price": 206.0, "change_1d_pct": -12.93322062552832, "distance_from_ma200_pct": -22.557701091522887, "distance_from_ma50_pct": -12.560104316644482, "volatility_20d_pct": 131.09279103846345, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CBG_CFD.UK", "name": "CLOSE BROTHERS GROUP PLC", "sector": "", "last_price": 497.8, "change_1d_pct": -5.89792060491493, "distance_from_ma200_pct": 15.793508864321094, "distance_from_ma50_pct": 3.592137485786795, "volatility_20d_pct": 116.76618625853061, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DOM_CFD.UK", "name": "DOMINO'S PIZZA GROUP PLC", "sector": "", "last_price": 204.15, "change_1d_pct": 11.924342105263165, "distance_from_ma200_pct": -5.759626343727387, "distance_from_ma50_pct": 12.834440951357639, "volatility_20d_pct": 73.60557991984848, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DLN_CFD.UK", "name": "DERWENT LONDON PLC", "sector": "", "last_price": 1953.0, "change_1d_pct": 10.401356698699837, "distance_from_ma200_pct": 5.069478604951705, "distance_from_ma50_pct": 12.150447212111025, "volatility_20d_pct": 115.39088732649292, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CCL_CFD.UK", "name": "CARNIVAL PLC", "sector": "", "last_price": 2086.12, "change_1d_pct": -1.037950664136622, "distance_from_ma200_pct": 10.654450538104543, "distance_from_ma50_pct": 0.475085923893781, "volatility_20d_pct": 151.10848533763712, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SGRO_CFD.UK", "name": "SEGRO PLC", "sector": "", "last_price": 838.6, "change_1d_pct": 14.312977099236646, "distance_from_ma200_pct": 23.337223471135403, "distance_from_ma50_pct": 14.881685289390623, "volatility_20d_pct": 61.79400737887707, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "RHIM_CFD.UK", "name": "RHI MAGNESITA NV", "sector": "", "last_price": 2960.0, "change_1d_pct": 9.023941068139973, "distance_from_ma200_pct": 12.939755835694466, "distance_from_ma50_pct": 17.95826987098712, "volatility_20d_pct": 137.0123103901981, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "LIO_CFD.UK", "name": "LIONTRUST ASSET MANAGEMENT", "sector": "", "last_price": 270.0, "change_1d_pct": 7.784431137724557, "distance_from_ma200_pct": -17.148878096081223, "distance_from_ma50_pct": 4.440258238208905, "volatility_20d_pct": 138.52252179896075, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "WEIR_CFD.UK", "name": "WEIR GROUP PLC/THE", "sector": "", "last_price": 3154.0, "change_1d_pct": 2.8031290743155246, "distance_from_ma200_pct": 21.08192574314991, "distance_from_ma50_pct": 4.300811211629529, "volatility_20d_pct": 121.55994632937954, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "BBY_CFD.UK", "name": "BALFOUR BEATTY PLC", "sector": "", "last_price": 759.18, "change_1d_pct": 5.222453222453205, "distance_from_ma200_pct": 33.313724414201815, "distance_from_ma50_pct": 8.832962232591, "volatility_20d_pct": 54.25956465831767, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ORCL_CFD.US", "name": "", "sector": "", "last_price": 158.91, "change_1d_pct": 6.9308929412556175, "distance_from_ma200_pct": -27.905979706969188, "distance_from_ma50_pct": -6.866261569190102, "volatility_20d_pct": 117.12910495892234, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CIEN_CFD.US", "name": "Ciena Corp", "sector": "", "last_price": 303.37, "change_1d_pct": -9.24673926050017, "distance_from_ma200_pct": 81.85731002004589, "distance_from_ma50_pct": 10.880199530996881, "volatility_20d_pct": 165.28670948773296, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SHOP_CFD.US", "name": "SHOPIFY INC - CLASS A", "sector": "", "last_price": 134.49, "change_1d_pct": 14.703624733475484, "distance_from_ma200_pct": -3.6860547805704913, "distance_from_ma50_pct": -3.1780130794992867, "volatility_20d_pct": 158.063076280182, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DPLM_CFD.UK", "name": "DIPLOMA PLC", "sector": "", "last_price": 5510.0, "change_1d_pct": 0.7312614259597838, "distance_from_ma200_pct": 11.035071455048428, "distance_from_ma50_pct": 0.39717925834363843, "volatility_20d_pct": 72.46279741195445, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "IPO_CFD.UK", "name": "IP GROUP PLC", "sector": "", "last_price": 57.6, "change_1d_pct": -1.873935264054516, "distance_from_ma200_pct": 10.233643652522883, "distance_from_ma50_pct": -2.027486732888828, "volatility_20d_pct": 89.82123635439407, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "ATG_CFD.UK", "name": "AUCTION TECHNOLOGY GROUP", "sector": "", "last_price": 305.0, "change_1d_pct": 4.2735042735042805, "distance_from_ma200_pct": -30.344980756373573, "distance_from_ma50_pct": -1.1704016694101371, "volatility_20d_pct": 159.9931345477538, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SVXY_CFD.ETF", "name": "PROSHARES SHORT VIX ST FUTUR", "sector": "", "last_price": 48.15, "change_1d_pct": -3.815421494206961, "distance_from_ma200_pct": -1.3709741843902057, "distance_from_ma50_pct": -10.793686082703434, "volatility_20d_pct": 79.78689636404471, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "AAP_CFD.US", "name": "Advance Auto Parts Inc", "sector": "", "last_price": 51.26, "change_1d_pct": 0.09763718023823031, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 6.394656918786268, "volatility_20d_pct": 4513.79051984217, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "EZJ_CFD.UK", "name": "EASYJET PLC", "sector": "", "last_price": 416.0, "change_1d_pct": -13.639194519410424, "distance_from_ma200_pct": -16.356648414923292, "distance_from_ma50_pct": -14.093214644298413, "volatility_20d_pct": 85.36436436183733, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "NBIS_CFD.US", "name": "", "sector": "", "last_price": 91.71, "change_1d_pct": 6.072172102706452, "distance_from_ma200_pct": 10.744084079043592, "distance_from_ma50_pct": -3.171858074079714, "volatility_20d_pct": 172.0010330664148, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "BRNK_CFD.DE", "name": "Branicks Group AG", "sector": "", "last_price": 1.802, "change_1d_pct": -2.0652173913043415, "distance_from_ma200_pct": -6.999308429929496, "distance_from_ma50_pct": -3.6775710925807115, "volatility_20d_pct": 110.42328356478835, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "LRCX_CFD.US", "name": "LAM RESEARCH CORP", "sector": "", "last_price": 204.44, "change_1d_pct": -7.190848011621576, "distance_from_ma200_pct": 40.473593348736145, "distance_from_ma50_pct": -6.6194069391409265, "volatility_20d_pct": 105.97343468200788, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "TBCG_CFD.UK", "name": "TBC BANK GROUP PLC", "sector": "", "last_price": 4430.0, "change_1d_pct": 7.917174177831909, "distance_from_ma200_pct": 0.30388113641399706, "distance_from_ma50_pct": 6.6895863834994795, "volatility_20d_pct": 102.46178025363125, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "WKP_CFD.UK", "name": "WORKSPACE GROUP PLC", "sector": "", "last_price": 423.0, "change_1d_pct": 3.6764705882353033, "distance_from_ma200_pct": 1.8640028868691871, "distance_from_ma50_pct": 5.808194506978848, "volatility_20d_pct": 70.2233148398582, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "WDC_CFD.US", "name": "Western Digital Corporation", "sector": "", "last_price": 250.61, "change_1d_pct": -7.208975118483407, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 4.854230820725669, "volatility_20d_pct": 7933.743387118827, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PZC_CFD.UK", "name": "PZ CUSSONS PLC", "sector": "", "last_price": 81.9, "change_1d_pct": -10.295728368017521, "distance_from_ma200_pct": 8.408114857007853, "distance_from_ma50_pct": 8.138797929650377, "volatility_20d_pct": 91.01714564624595, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MU_CFD.US", "name": "", "sector": "", "last_price": 379.0, "change_1d_pct": -1.581448492560178, "distance_from_ma200_pct": 76.17651864507707, "distance_from_ma50_pct": 0.914675709757673, "volatility_20d_pct": 130.69899072639166, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "FUTR_CFD.UK", "name": "FUTURE PLC", "sector": "", "last_price": 423.6, "change_1d_pct": -20.82242990654205, "distance_from_ma200_pct": -37.68377383888033, "distance_from_ma50_pct": -24.301477407850992, "volatility_20d_pct": 153.59085037557008, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "OCDO_CFD.UK", "name": "OCADO GROUP PLC", "sector": "", "last_price": 221.9, "change_1d_pct": -21.312056737588648, "distance_from_ma200_pct": -14.06664037160078, "distance_from_ma50_pct": -3.1767959417158487, "volatility_20d_pct": 240.9598068877464, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "VIAV_CFD.US", "name": "VIAVI SOLUTIONS INC", "sector": "", "last_price": 28.46, "change_1d_pct": -13.86198547215496, "distance_from_ma200_pct": 85.82663798084928, "distance_from_ma50_pct": 21.557438666028837, "volatility_20d_pct": 130.6419178751259, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "KLAC_CFD.US", "name": "", "sector": "", "last_price": 1372.54, "change_1d_pct": -5.653736965472678, "distance_from_ma200_pct": 23.471661043509773, "distance_from_ma50_pct": -4.469845715466947, "volatility_20d_pct": 90.87777148569057, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CRDA_CFD.UK", "name": "CRODA INTERNATIONAL PLC", "sector": "", "last_price": 2911.0, "change_1d_pct": 7.140228192859777, "distance_from_ma200_pct": 2.730273162831298, "distance_from_ma50_pct": 2.4574080225663986, "volatility_20d_pct": 116.57501877935547, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "DLR_CFD.US", "name": "Digital Realty Trust Inc", "sector": "", "last_price": 179.83, "change_1d_pct": 1.5759150474469186, "distance_from_ma200_pct": 6.682438954069547, "distance_from_ma50_pct": 7.961265301466658, "volatility_20d_pct": 52.337319064888156, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CE_CFD.US", "name": "Celanese Corporation", "sector": "", "last_price": 50.25, "change_1d_pct": 2.0097442143727218, "distance_from_ma200_pct": 5.547713868024395, "distance_from_ma50_pct": 2.953589955827285, "volatility_20d_pct": 134.96686174274964, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "IHG_CFD.UK", "name": "INTERCONTINENTAL HOTELS GROU", "sector": "", "last_price": 131.85, "change_1d_pct": -9.068965517241379, "distance_from_ma200_pct": -98.19965530465284, "distance_from_ma50_pct": -95.23482638251654, "volatility_20d_pct": 602.6354389421006, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "SMHN_CFD.DE", "name": "SUSS MicroTec SE", "sector": "", "last_price": 53.15, "change_1d_pct": -1.846722068328721, "distance_from_ma200_pct": 39.76137487327141, "distance_from_ma50_pct": 10.924671400009188, "volatility_20d_pct": 90.12421711432019, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "CF_CFD.US", "name": "CF Industries Holdings Inc", "sector": "", "last_price": 117.93, "change_1d_pct": 8.671212679690399, "distance_from_ma200_pct": 33.55363889216052, "distance_from_ma50_pct": 29.73825721904897, "volatility_20d_pct": 111.75086236107555, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "NRG_CFD.US", "name": "NRG ENERGY INC", "sector": "", "last_price": 157.65, "change_1d_pct": -2.7392189524338306, "distance_from_ma200_pct": -1.2701796488186812, "distance_from_ma50_pct": -1.3196192746287694, "volatility_20d_pct": 102.11428870761449, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "PLTR_CFD.US", "name": "", "sector": "", "last_price": 160.27, "change_1d_pct": 11.515446701920418, "distance_from_ma200_pct": -1.1025763806270406, "distance_from_ma50_pct": 1.8041057029863472, "volatility_20d_pct": 121.16705867883715, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MSLH_CFD.UK", "name": "MARSHALLS PLC", "sector": "", "last_price": 182.32, "change_1d_pct": 0.8407079646017612, "distance_from_ma200_pct": -17.111863069088763, "distance_from_ma50_pct": 6.139091576985178, "volatility_20d_pct": 102.4204512350097, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "FLEX_CFD.US", "name": "FLEX LTD", "sector": "", "last_price": 61.0, "change_1d_pct": -3.4198860037998657, "distance_from_ma200_pct": 6.986667882689979, "distance_from_ma50_pct": -4.175136432613124, "volatility_20d_pct": 122.29516922566144, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "RVTY_CFD.US", "name": "", "sector": "", "last_price": 92.97, "change_1d_pct": -0.3536977491961357, "distance_from_ma200_pct": -2.858399686956836, "distance_from_ma50_pct": -9.626783988863984, "volatility_20d_pct": 85.52875158751183, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "MOS_CFD.US", "name": "The Mosaic Company", "sector": "", "last_price": 26.77, "change_1d_pct": 0.26217228464420206, "distance_from_ma200_pct": -12.913777482827559, "distance_from_ma50_pct": -1.9485751959563369, "volatility_20d_pct": 89.92488437042849, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "NXT_CFD.UK", "name": "NEXT PLC", "sector": "", "last_price": 13225.0, "change_1d_pct": -5.603140613847257, "distance_from_ma200_pct": 4.116518358426768, "distance_from_ma50_pct": -3.780207539944458, "volatility_20d_pct": 72.99366321435181, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}, {"symbol": "VST_CFD.US", "name": "VISTRA CORP", "sector": "", "last_price": 161.71, "change_1d_pct": 1.2649508422568845, "distance_from_ma200_pct": -11.083838576285688, "distance_from_ma50_pct": -0.996948666082198, "volatility_20d_pct": 95.29262230706871, "market_cap_usd": null, "avg_daily_volume_usd": null, "days_to_next_earnings": null, "earnings_confirmed": null, "news_sentiment_score": null, "news_headlines_last_3": [], "data_quality_note": "snapshot_ok_prices_technicals_only"}], "output_schema": {"selected_stocks": [{"symbol": "string", "mean_reversion_score": "integer 0-100", "selection_reason": "short, concrete, indicator-based"}], "rejected_common_reasons": ["string"]}}
Output JSON
{
  "selected_stocks": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "-12.9% 1D move with +22.6% distance from MA200",
      "mean_reversion_score": 75
    },
    {
      "symbol": "EZJ_CFD.UK",
      "selection_reason": "-13.6% 1D decline with -16.4% MA200 distance",
      "mean_reversion_score": 80
    },
    {
      "symbol": "WDC_CFD.US",
      "selection_reason": "-7.2% pullback with +4.9% MA50 distance",
      "mean_reversion_score": 65
    },
    {
      "symbol": "CE_CFD.US",
      "selection_reason": "+2.0% recovery with +5.5% MA200 distance",
      "mean_reversion_score": 70
    },
    {
      "symbol": "FLEX_CFD.US",
      "selection_reason": "-3.4% correction with +7.0% MA200 distance",
      "mean_reversion_score": 68
    }
  ],
  "rejected_common_reasons": [
    "Extreme volatility >150%",
    "Missing MA200 data",
    "Overextended >+30% from MA200"
  ]
}
#1008openrouteramazon/nova-premier-v12026-03-08T20:54:16.804020+00:00
System prompt
You are an Arena portfolio manager. You must follow the strategy rules strictly and output ONLY valid JSON. You are NOT allowed to invent prices/fundamentals/news/earnings. If a field is null/empty, treat it as unknown. Avoid overtrading: if changes are marginal, prefer HOLD. Do not churn.
User prompt
{"task": "stage2_portfolio_management", "region": "US", "strategy": {"key": "meanrev-v1", "name": "Two-Stage LLM Mean-Reversion (Arena v1)", "rules": {"max_positions": 10, "max_buys_per_run": 2, "avoid_overtrading": true, "max_sells_per_run": 2, "max_gross_leverage": 3.0, "fixed_position_size": 3000.0, "universe_symbols_eu": [], "universe_symbols_us": []}}, "portfolio_constraints": {"initial_equity": 10000.0, "max_positions": 10, "fixed_position_size": 3000.0, "max_gross_leverage": 3.0, "overtrading_rules": ["Max 2 SELL actions per run unless risk event forces more", "Max 2 BUY actions per run", "If no clear improvement vs current holdings, output HOLD for everything"]}, "current_portfolio": [{"symbol": "ADP_CFD.FR", "qty": 0.0, "avg_price": 117.5, "last_price": 115.1, "unrealized_pnl": -61.276595744680996, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "AKAM_CFD.US", "qty": 30.783438510081577, "avg_price": 97.455, "last_price": 99.955, "unrealized_pnl": 76.95859627520394, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 0.0, "avg_price": 0.453, "last_price": 0.296, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "BRBY_CFD.UK", "qty": 0.0, "avg_price": 1119.08, "last_price": 1067.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "BRNL_CFD.NL", "qty": 0.0, "avg_price": 7.05, "last_price": 6.68, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T10:32:09.961595+00:00"}, {"symbol": "BTRW_CFD.UK", "qty": 0.0, "avg_price": 363.1, "last_price": 340.3, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T18:21:09.503139+00:00"}, {"symbol": "BT_CFD.UK", "qty": 0.0, "avg_price": 211.0, "last_price": 207.8, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 20.505809979494188, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "CABO_CFD.US", "qty": 31.71247357293869, "avg_price": 94.6, "last_price": 111.495, "unrealized_pnl": 535.7822410147995, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "CBG_CFD.UK", "qty": 6.547359231776517, "avg_price": 458.2, "last_price": 458.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "CCL_CFD.UK", "qty": 1.5416238437821173, "avg_price": 1945.9999999999998, "last_price": 1946.0, "unrealized_pnl": 3.50524679511663e-13, "opened_at": "2026-03-06T18:02:13.212382+00:00"}, {"symbol": "CO_CFD.FR", "qty": 0.0, "avg_price": 0.171, "last_price": 0.165, "unrealized_pnl": 0.0, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "DSY_CFD.FR", "qty": 0.0, "avg_price": 17.881, "last_price": 16.752, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "ERA_CFD.FR", "qty": 0.0, "avg_price": 47.4, "last_price": 46.329, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "ESTC_CFD.US", "qty": 0.0, "avg_price": 58.085, "last_price": 55.355000000000004, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "EXE_CFD.FR", "qty": 0.0, "avg_price": 37.303, "last_price": 35.843, "unrealized_pnl": 0.0, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 7.403751233958539, "avg_price": 405.2, "last_price": 405.2, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 0.0, "avg_price": 48.255, "last_price": 46.05, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T18:20:59.102726+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 29.709178385970056, "avg_price": 403.9155793573515, "last_price": 414.2, "unrealized_pnl": 305.5416874687975, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "GO_CFD.US", "qty": 0.0, "avg_price": 6.53, "last_price": 6.35, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T18:20:59.102726+00:00"}, {"symbol": "HAIN_CFD.US", "qty": 0.0, "avg_price": 0.8, "last_price": 0.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 0.0, "avg_price": 1409.0, "last_price": 1342.0, "unrealized_pnl": -142.65436479772887, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "HMSO_CFD.UK", "qty": 8.600917431192661, "avg_price": 348.8, "last_price": 348.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "IPO_CFD.UK", "qty": 0.0, "avg_price": 57.7, "last_price": 57.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "KBCA_CFD.BE", "qty": 0.0, "avg_price": 75.3, "last_price": 75.1, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T10:57:06.928276+00:00"}, {"symbol": "LIO_CFD.UK", "qty": 0.0, "avg_price": 250.0, "last_price": 270.0, "unrealized_pnl": 240.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "LXS_CFD.DE", "qty": 228.31050228310502, "avg_price": 13.14, "last_price": 13.562, "unrealized_pnl": 96.34703196347004, "opened_at": "2026-03-06T10:33:43.857578+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 13.824884792626728, "avg_price": 217.0, "last_price": 217.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-01T10:30:13.622938+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 19.74853531696399, "avg_price": 151.91, "last_price": 151.91, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T09:32:59.506254+00:00"}, {"symbol": "REC_CFD.BE", "qty": 0.0, "avg_price": 11.08, "last_price": 10.68, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T18:21:09.503139+00:00"}, {"symbol": "RHIM_CFD.UK", "qty": 1.073345259391771, "avg_price": 2795.0, "last_price": 2795.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 416.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "SGE_CFD.UK", "qty": 0.0, "avg_price": 795.4, "last_price": 813.4, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "SYNT_CFD.UK", "qty": 326.0869565217392, "avg_price": 18.4, "last_price": 18.48, "unrealized_pnl": 26.086956521739737, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 32.520325203252035, "avg_price": 184.5, "last_price": 184.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 64.97022198159178, "avg_price": 92.35, "last_price": 94.79, "unrealized_pnl": 158.52734163508472, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "UMG_CFD.NL", "qty": 0.0, "avg_price": 19.085, "last_price": 18.665, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "UTG_CFD.UK", "qty": 5.9405940594059405, "avg_price": 505.0, "last_price": 505.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "WIZZ_CFD.UK", "qty": 0.0, "avg_price": 1299.0, "last_price": 1149.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 263.4, "last_price": 240.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "ZS_CFD.US", "qty": 0.0, "avg_price": 159.76, "last_price": 144.45, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}], "candidates": [{"symbol": "TRN_CFD.UK", "mean_reversion_score": 75, "selection_reason": "-12.9% 1D move with +22.6% distance from MA200"}, {"symbol": "EZJ_CFD.UK", "mean_reversion_score": 80, "selection_reason": "-13.6% 1D decline with -16.4% MA200 distance"}, {"symbol": "WDC_CFD.US", "mean_reversion_score": 65, "selection_reason": "-7.2% pullback with +4.9% MA50 distance"}, {"symbol": "CE_CFD.US", "mean_reversion_score": 70, "selection_reason": "+2.0% recovery with +5.5% MA200 distance"}, {"symbol": "FLEX_CFD.US", "mean_reversion_score": 68, "selection_reason": "-3.4% correction with +7.0% MA200 distance"}], "output_schema": {"actions": {"sell": [{"symbol": "string", "reason": "string"}], "hold": [{"symbol": "string", "reason": "string"}], "buy": [{"symbol": "string", "position_size": "number (currency amount)", "reason": "string"}]}, "portfolio_rationale": "string"}}
Output JSON
{
  "actions": {
    "buy": [
      {
        "reason": "Strong mean reversion candidate (score 75) with -12.9% deviation from MA200",
        "symbol": "TRN_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "AKAM_CFD.US"
      },
      {
        "reason": "No significant price movement",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "CBG_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "CCL_CFD.UK"
      },
      {
        "reason": "Candidate but already held - wait for better opportunity",
        "symbol": "EZJ_CFD.UK"
      },
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "HMSO_CFD.UK"
      },
      {
        "reason": "Existing position with positive PnL, no sell signal",
        "symbol": "LXS_CFD.DE"
      },
      {
        "reason": "No significant price movement",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "No significant price movement",
        "symbol": "PAGE_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Overtrading protection: already 10 positions, need to sell first",
        "symbol": "CABO_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "Maintained core holdings while adding TRN_CFD.UK based on strong mean-reversion signal. Prioritized high-confidence opportunities to avoid overtrading per strategy rules."
}
Selection logs
#501stage12026-03-08T20:54:16.801665+00:00
{
  "selected_stocks": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "-12.9% 1D move with +22.6% distance from MA200",
      "mean_reversion_score": 75
    },
    {
      "symbol": "EZJ_CFD.UK",
      "selection_reason": "-13.6% 1D decline with -16.4% MA200 distance",
      "mean_reversion_score": 80
    },
    {
      "symbol": "WDC_CFD.US",
      "selection_reason": "-7.2% pullback with +4.9% MA50 distance",
      "mean_reversion_score": 65
    },
    {
      "symbol": "CE_CFD.US",
      "selection_reason": "+2.0% recovery with +5.5% MA200 distance",
      "mean_reversion_score": 70
    },
    {
      "symbol": "FLEX_CFD.US",
      "selection_reason": "-3.4% correction with +7.0% MA200 distance",
      "mean_reversion_score": 68
    }
  ],
  "rejected_common_reasons": [
    "Extreme volatility >150%",
    "Missing MA200 data",
    "Overextended >+30% from MA200"
  ]
}