Arena run #348

meanrev-v1x-aix-ai/grok-4.1-fastEUsuccess
Arena
Run status
as_of: 2026-02-28T10:51:05.818250+00:00
started_at: 2026-02-28T22:06:01.715351+00:00
finished_at: 2026-02-28T22:06:46.540008+00:00
duration_ms: 44823
Inputs
{
  "dry_run": false,
  "selected": [
    {
      "symbol": "BIG_CFD.FR",
      "selection_reason": "1d -40.7%, MA50 -45.8%, MA200 -57.5% extreme oversold",
      "mean_reversion_score": 98
    },
    {
      "symbol": "THG_CFD.UK",
      "selection_reason": "1d -20.1%, MA50 -18.3% sharp drop below short MA",
      "mean_reversion_score": 92
    },
    {
      "symbol": "PROX_CFD.BE",
      "selection_reason": "1d -13.3%, MA50 -7.9%, MA200 -2.3% recent deviation",
      "mean_reversion_score": 85
    },
    {
      "symbol": "WPP_CFD.UK",
      "selection_reason": "1d -8.4%, MA50 -14.1%, MA200 -33.1% below both MAs",
      "mean_reversion_score": 80
    },
    {
      "symbol": "UKW_CFD.UK",
      "selection_reason": "1d -5.9%, MA50 -12.3%, MA200 -17.6% below MAs post-drop",
      "mean_reversion_score": 75
    }
  ],
  "universe_symbols": [
    "WPP_CFD.UK",
    "DLN_CFD.UK",
    "UKW_CFD.UK",
    "CRDA_CFD.UK",
    "BIG_CFD.FR",
    "BTRW_CFD.UK",
    "MNDI_CFD.UK",
    "IPO_CFD.UK",
    "ATG_CFD.UK",
    "BYIT_CFD.UK",
    "MKS_CFD.UK",
    "WKP_CFD.UK",
    "COTY_CFD.US",
    "MSLH_CFD.UK",
    "PAGE_CFD.UK",
    "GRG_CFD.UK",
    "NVDA_CFD.US",
    "GRI_CFD.UK",
    "MTN_CFD.US",
    "ZBH_CFD.US",
    "PROX_CFD.BE",
    "THG_CFD.UK",
    "HIW_CFD.US",
    "DEI_CFD.US",
    "APTV_CFD.US",
    "ACKB_CFD.BE",
    "SLM_CFD.US",
    "PRU_CFD.UK",
    "SDG_CFD.FR",
    "SEM_CFD.PT"
  ]
}
Outputs
{
  "actions": {
    "buy": [
      {
        "reason": "High score 85, 1d -13.3% recent deviation oversold, improves portfolio",
        "symbol": "PROX_CFD.BE",
        "position_size": 3000
      },
      {
        "reason": "Score 80, 1d -8.4% below MAs, strong meanrev candidate > some held",
        "symbol": "WPP_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Top meanrev score 98 extreme oversold, hold core position",
        "symbol": "BIG_CFD.FR"
      },
      {
        "reason": "Stable flat PnL, no sell signal, avoid overtrading",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "+3.4% PnL but marginal, no strong sell signal, hold",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "Stable flat PnL, avoid overtrading",
        "symbol": "HAIN_CFD.US"
      },
      {
        "reason": "Stable flat PnL, no sell signal",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "+3.4% PnL marginal, no strong sell signal, hold",
        "symbol": "OKTA_CFD.US"
      },
      {
        "reason": "High score 92 sharp drop oversold, hold",
        "symbol": "THG_CFD.UK"
      },
      {
        "reason": "Score 75 oversold, hold existing",
        "symbol": "UKW_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Price 96.44 > avg 94.6, +1.9% PnL indicates mean reversion rebound, rotate to higher score oversold",
        "symbol": "CABO_CFD.US"
      },
      {
        "reason": "Price 97.54 > avg 92.465, +5.5% PnL indicates strong mean reversion rebound, rotate to higher score oversold",
        "symbol": "CAR_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "At max 10 positions and 3x leverage. 2 sells of rebounded positions (CABO/CAR US) to rotate into 2 higher-score EU oversold candidates (PROX/WPP) while retaining top-held oversold (BIG/THG). Adheres to max 2 buy/sell, avoids overtrading on marginal holds."
}
Prompts & responses
#683openrouterx-ai/grok-4.1-fast2026-02-28T22:06:01.744683+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": "EU", "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": "WPP_CFD.UK", "name": "WPP PLC", "sector": "", "last_price": 263.4, "change_1d_pct": -8.446298227320126, "distance_from_ma200_pct": -33.12263832969092, "distance_from_ma50_pct": -14.059074108876779, "volatility_20d_pct": 6180.039131285307, "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": 1812.0, "change_1d_pct": -7.219662058371734, "distance_from_ma200_pct": -2.516182676819012, "distance_from_ma50_pct": 4.053563926444004, "volatility_20d_pct": 7353.720365167649, "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": "UKW_CFD.UK", "name": "GREENCOAT UK WIND PLC", "sector": "", "last_price": 92.35, "change_1d_pct": -5.909322465613864, "distance_from_ma200_pct": -17.64082660607077, "distance_from_ma50_pct": -12.349969913308566, "volatility_20d_pct": 2773.983404143022, "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": 3270.0, "change_1d_pct": 18.306801736613608, "distance_from_ma200_pct": 15.315074372668791, "distance_from_ma50_pct": 15.114636224020273, "volatility_20d_pct": 105.57470323224747, "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": "BIG_CFD.FR", "name": "Bigben Interactive", "sector": "", "last_price": 0.473, "change_1d_pct": -40.65244667503137, "distance_from_ma200_pct": -57.481044006670004, "distance_from_ma50_pct": -45.84258856396987, "volatility_20d_pct": 245.7660340614924, "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": "BTRW_CFD.UK", "name": "Barratt Redrow Plc", "sector": "", "last_price": 377.4, "change_1d_pct": 0.9090909090909038, "distance_from_ma200_pct": -5.28549121293298, "distance_from_ma50_pct": -0.5047525194126434, "volatility_20d_pct": 106.95952062178588, "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": "MNDI_CFD.UK", "name": "MONDI PLC", "sector": "", "last_price": 875.4, "change_1d_pct": -3.035002215330085, "distance_from_ma200_pct": -12.703792119747192, "distance_from_ma50_pct": -2.3538587292125546, "volatility_20d_pct": 3722.256694775448, "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": 55.9, "change_1d_pct": -2.951388888888895, "distance_from_ma200_pct": 6.980220141944948, "distance_from_ma50_pct": -4.919036603619542, "volatility_20d_pct": 3048.7333361404435, "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": 316.5, "change_1d_pct": 3.770491803278686, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 2.606496790507684, "volatility_20d_pct": 3869.8570945036245, "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": "BYIT_CFD.UK", "name": "BYTES TECHNOLOGY GROUP PLC", "sector": "", "last_price": 303.4, "change_1d_pct": -0.19736842105263497, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -8.431320472269855, "volatility_20d_pct": 4293.435519186852, "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": "MKS_CFD.UK", "name": "MARKS & SPENCER GROUP PLC", "sector": "", "last_price": 397.6, "change_1d_pct": -2.572898799313894, "distance_from_ma200_pct": 10.091859972346917, "distance_from_ma50_pct": 12.883416074757426, "volatility_20d_pct": 3230.9162818073323, "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": 412.5, "change_1d_pct": -2.4822695035460973, "distance_from_ma200_pct": -0.6645361918828807, "distance_from_ma50_pct": 3.1817499624793744, "volatility_20d_pct": 3857.1547460259226, "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": "COTY_CFD.US", "name": "Coty Inc", "sector": "", "last_price": 2.65, "change_1d_pct": -0.7490636704119868, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -12.425644415069403, "volatility_20d_pct": 7661.46272234243, "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": 179.0, "change_1d_pct": -1.8640350877193068, "distance_from_ma200_pct": -18.62123458406586, "distance_from_ma50_pct": 4.206326197237553, "volatility_20d_pct": 4778.187923340776, "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": "PAGE_CFD.UK", "name": "PAGEGROUP PLC", "sector": "", "last_price": 205.8, "change_1d_pct": -1.8129770992366345, "distance_from_ma200_pct": -20.77588815310809, "distance_from_ma50_pct": -10.0711565251285, "volatility_20d_pct": 6348.641656770371, "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": "GRG_CFD.UK", "name": "GREGGS PLC", "sector": "", "last_price": 1570.0, "change_1d_pct": -1.7521902377972465, "distance_from_ma200_pct": -7.7479256136856245, "distance_from_ma50_pct": -5.198503464783366, "volatility_20d_pct": 2727.2507519143423, "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": "NVDA_CFD.US", "name": "NVIDIA CORP", "sector": "", "last_price": 179.38, "change_1d_pct": -7.018453244868339, "distance_from_ma200_pct": 2.533500011717793, "distance_from_ma50_pct": -3.3704524102979527, "volatility_20d_pct": 73.2870546822064, "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": "GRI_CFD.UK", "name": "GRAINGER PLC", "sector": "", "last_price": 192.4, "change_1d_pct": 0.08322929671245038, "distance_from_ma200_pct": -4.9312468607917275, "distance_from_ma50_pct": 0.9128310349964197, "volatility_20d_pct": 71.43116862190418, "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": "MTN_CFD.US", "name": "", "sector": "", "last_price": 137.48, "change_1d_pct": -3.6107410783145277, "distance_from_ma200_pct": -7.823781705689148, "distance_from_ma50_pct": -1.3887912595523466, "volatility_20d_pct": 73.37276552252995, "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": "ZBH_CFD.US", "name": "Zimmer Biomet Holdings Inc", "sector": "", "last_price": 99.89, "change_1d_pct": 0.07012622720898865, "distance_from_ma200_pct": 4.829184260195518, "distance_from_ma50_pct": 9.180853947517997, "volatility_20d_pct": 53.36212078055538, "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": "PROX_CFD.BE", "name": "Proximus SA", "sector": "", "last_price": 7.08, "change_1d_pct": -13.288426209430481, "distance_from_ma200_pct": -2.3050084551703542, "distance_from_ma50_pct": -7.913938552063737, "volatility_20d_pct": 126.61036463851869, "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": "THG_CFD.UK", "name": "THG PLC", "sector": "", "last_price": 35.48, "change_1d_pct": -20.090090090090097, "distance_from_ma200_pct": 4.031971945380275, "distance_from_ma50_pct": -18.256005234564732, "volatility_20d_pct": 150.3458448856807, "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": "HIW_CFD.US", "name": "", "sector": "", "last_price": 22.84, "change_1d_pct": -0.13117621337997987, "distance_from_ma200_pct": -20.75167934269694, "distance_from_ma50_pct": -10.160798011265303, "volatility_20d_pct": 63.260238309428416, "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": "DEI_CFD.US", "name": "Douglas Emmett Inc", "sector": "", "last_price": 10.11, "change_1d_pct": 2.3279352226720507, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -7.731857118801466, "volatility_20d_pct": 2991.4769682262086, "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": "APTV_CFD.US", "name": "Aptiv PLC", "sector": "", "last_price": 74.18, "change_1d_pct": -4.799794661190959, "distance_from_ma200_pct": -3.318427497292309, "distance_from_ma50_pct": -7.091738454100716, "volatility_20d_pct": 78.93944473827398, "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": "ACKB_CFD.BE", "name": "Ackermans & Van Haaren NV", "sector": "", "last_price": 294.6, "change_1d_pct": 0.0, "distance_from_ma200_pct": 28.807750693779077, "distance_from_ma50_pct": 17.098103885176762, "volatility_20d_pct": 41.10800910807287, "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": "SLM_CFD.US", "name": "SLM CORP", "sector": "", "last_price": 18.94, "change_1d_pct": -4.4881492687846585, "distance_from_ma200_pct": -35.016811912440815, "distance_from_ma50_pct": -27.235007107457065, "volatility_20d_pct": 95.89464274862077, "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": "PRU_CFD.UK", "name": "", "sector": "", "last_price": 1145.5, "change_1d_pct": 4.899267399267404, "distance_from_ma200_pct": 11.886174790428306, "distance_from_ma50_pct": -0.9125217162037624, "volatility_20d_pct": 62.26709553371618, "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": "SDG_CFD.FR", "name": "", "sector": "", "last_price": 28.8, "change_1d_pct": -2.3728813559321993, "distance_from_ma200_pct": -10.344096555672355, "distance_from_ma50_pct": -4.05973880263889, "volatility_20d_pct": 76.58466116410548, "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": "SEM_CFD.PT", "name": "Semapa-Sociedade de Investimento e Gestao SGPS SA", "sector": "", "last_price": 24.15, "change_1d_pct": 8.295964125560529, "distance_from_ma200_pct": 33.02003397381239, "distance_from_ma50_pct": 13.413294010463117, "volatility_20d_pct": 132.43471569412125, "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": "BIG_CFD.FR",
      "selection_reason": "1d -40.7%, MA50 -45.8%, MA200 -57.5% extreme oversold",
      "mean_reversion_score": 98
    },
    {
      "symbol": "THG_CFD.UK",
      "selection_reason": "1d -20.1%, MA50 -18.3% sharp drop below short MA",
      "mean_reversion_score": 92
    },
    {
      "symbol": "PROX_CFD.BE",
      "selection_reason": "1d -13.3%, MA50 -7.9%, MA200 -2.3% recent deviation",
      "mean_reversion_score": 85
    },
    {
      "symbol": "WPP_CFD.UK",
      "selection_reason": "1d -8.4%, MA50 -14.1%, MA200 -33.1% below both MAs",
      "mean_reversion_score": 80
    },
    {
      "symbol": "UKW_CFD.UK",
      "selection_reason": "1d -5.9%, MA50 -12.3%, MA200 -17.6% below MAs post-drop",
      "mean_reversion_score": 75
    }
  ],
  "rejected_common_reasons": [
    "Positive 1d change",
    "Above or near MA50",
    "Insufficient 1d drop magnitude",
    "US region symbols",
    "Small negative deviation from MAs"
  ]
}
#684openrouterx-ai/grok-4.1-fast2026-02-28T22:06:19.402261+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": "EU", "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": "ARCAD_CFD.NL", "qty": 0.0, "avg_price": 29.7, "last_price": 28.06, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 6622.516556291391, "avg_price": 0.453, "last_price": 0.453, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "BXP_CFD.US", "qty": 0.0, "avg_price": 60.835, "last_price": 59.405, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T17:33:48.338981+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 10.252904989747094, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "CABO_CFD.US", "qty": 31.71247357293869, "avg_price": 94.6, "last_price": 96.44, "unrealized_pnl": 58.3509513742073, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "CAR_CFD.US", "qty": 32.44470880873844, "avg_price": 92.465, "last_price": 97.54, "unrealized_pnl": 164.65689720434767, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "COIN_CFD.US", "qty": 0.0, "avg_price": 168.575, "last_price": 171.13, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 350.79999999999995, "last_price": 350.055, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "ESTC_CFD.US", "qty": 0.0, "avg_price": 58.085, "last_price": 55.28, "unrealized_pnl": -144.87389171042437, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "EXPO_CFD.US", "qty": 0.0, "avg_price": 66.815, "last_price": 70.025, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 0.0, "avg_price": 50.974999999999994, "last_price": 54.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "FICO_CFD.US", "qty": 0.0, "avg_price": 1208.505, "last_price": 1405.2800000000002, "unrealized_pnl": 0.0, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "FLO_CFD.US", "qty": 0.0, "avg_price": 9.875, "last_price": 10.055, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 7.488766849725412, "avg_price": 400.6, "last_price": 414.2, "unrealized_pnl": 101.84722915626534, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "HAIN_CFD.US", "qty": 3750.0, "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": 1408.0, "last_price": 1342.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "ICG_CFD.UK", "qty": 0.0, "avg_price": 1700.0, "last_price": 1719.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "LMND_CFD.US", "qty": 0.0, "avg_price": 61.5, "last_price": 59.89, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "LPX_CFD.US", "qty": 0.0, "avg_price": 86.45, "last_price": 86.15, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "NET_CFD.US", "qty": 0.0, "avg_price": 176.96, "last_price": 164.32, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 13.824884792626728, "avg_price": 217.0, "last_price": 217.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "OKTA_CFD.US", "qty": 42.747221430607006, "avg_price": 70.18, "last_price": 72.54, "unrealized_pnl": 100.88344257623251, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "PAYC_CFD.US", "qty": 0.0, "avg_price": 121.22, "last_price": 119.79, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 417.16, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "THG_CFD.UK", "qty": 85.76329331046313, "avg_price": 34.98, "last_price": 34.98, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 0.0, "avg_price": 196.2, "last_price": 196.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "TRST_CFD.UK", "qty": 0.0, "avg_price": 134.3, "last_price": 139.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 32.48511099079589, "avg_price": 92.35, "last_price": 92.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T10:32:09.961595+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": "BIG_CFD.FR", "mean_reversion_score": 98, "selection_reason": "1d -40.7%, MA50 -45.8%, MA200 -57.5% extreme oversold"}, {"symbol": "THG_CFD.UK", "mean_reversion_score": 92, "selection_reason": "1d -20.1%, MA50 -18.3% sharp drop below short MA"}, {"symbol": "PROX_CFD.BE", "mean_reversion_score": 85, "selection_reason": "1d -13.3%, MA50 -7.9%, MA200 -2.3% recent deviation"}, {"symbol": "WPP_CFD.UK", "mean_reversion_score": 80, "selection_reason": "1d -8.4%, MA50 -14.1%, MA200 -33.1% below both MAs"}, {"symbol": "UKW_CFD.UK", "mean_reversion_score": 75, "selection_reason": "1d -5.9%, MA50 -12.3%, MA200 -17.6% below MAs post-drop"}], "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": "High score 85, 1d -13.3% recent deviation oversold, improves portfolio",
        "symbol": "PROX_CFD.BE",
        "position_size": 3000
      },
      {
        "reason": "Score 80, 1d -8.4% below MAs, strong meanrev candidate > some held",
        "symbol": "WPP_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Top meanrev score 98 extreme oversold, hold core position",
        "symbol": "BIG_CFD.FR"
      },
      {
        "reason": "Stable flat PnL, no sell signal, avoid overtrading",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "+3.4% PnL but marginal, no strong sell signal, hold",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "Stable flat PnL, avoid overtrading",
        "symbol": "HAIN_CFD.US"
      },
      {
        "reason": "Stable flat PnL, no sell signal",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "+3.4% PnL marginal, no strong sell signal, hold",
        "symbol": "OKTA_CFD.US"
      },
      {
        "reason": "High score 92 sharp drop oversold, hold",
        "symbol": "THG_CFD.UK"
      },
      {
        "reason": "Score 75 oversold, hold existing",
        "symbol": "UKW_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Price 96.44 > avg 94.6, +1.9% PnL indicates mean reversion rebound, rotate to higher score oversold",
        "symbol": "CABO_CFD.US"
      },
      {
        "reason": "Price 97.54 > avg 92.465, +5.5% PnL indicates strong mean reversion rebound, rotate to higher score oversold",
        "symbol": "CAR_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "At max 10 positions and 3x leverage. 2 sells of rebounded positions (CABO/CAR US) to rotate into 2 higher-score EU oversold candidates (PROX/WPP) while retaining top-held oversold (BIG/THG). Adheres to max 2 buy/sell, avoids overtrading on marginal holds."
}
Selection logs
#340stage12026-02-28T22:06:19.400048+00:00
{
  "selected_stocks": [
    {
      "symbol": "BIG_CFD.FR",
      "selection_reason": "1d -40.7%, MA50 -45.8%, MA200 -57.5% extreme oversold",
      "mean_reversion_score": 98
    },
    {
      "symbol": "THG_CFD.UK",
      "selection_reason": "1d -20.1%, MA50 -18.3% sharp drop below short MA",
      "mean_reversion_score": 92
    },
    {
      "symbol": "PROX_CFD.BE",
      "selection_reason": "1d -13.3%, MA50 -7.9%, MA200 -2.3% recent deviation",
      "mean_reversion_score": 85
    },
    {
      "symbol": "WPP_CFD.UK",
      "selection_reason": "1d -8.4%, MA50 -14.1%, MA200 -33.1% below both MAs",
      "mean_reversion_score": 80
    },
    {
      "symbol": "UKW_CFD.UK",
      "selection_reason": "1d -5.9%, MA50 -12.3%, MA200 -17.6% below MAs post-drop",
      "mean_reversion_score": 75
    }
  ],
  "rejected_common_reasons": [
    "Positive 1d change",
    "Above or near MA50",
    "Insufficient 1d drop magnitude",
    "US region symbols",
    "Small negative deviation from MAs"
  ]
}