Arena run #397

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).

{"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": "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": "VCT_CFD.UK", "name": "VICTREX PLC", "sector": "", "last_price": 695.0, "change_1d_pct": -0.42979942693409656, "distance_from_ma200_pct": -3.2784163489814833, "distance_from_ma50_pct": 6.2434457730395465, "volatility_20d_pct": 118.65826330943554, "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": "SYNT_CFD.UK", "name": "SYNTHOMER PLC", "sector": "", "last_price": 20.2, "change_1d_pct": -32.666666666666664, "distance_from_ma200_pct": -73.62254515017194, "distance_from_ma50_pct": -61.002505878582646, "volatility_20d_pct": 362.0742865046256, "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": "CRDA_CFD.UK", "name": "CRODA INTERNATIONAL PLC", "sector": "", "last_price": 3121.0, "change_1d_pct": 13.367235742826011, "distance_from_ma200_pct": 10.093851216079353, "distance_from_ma50_pct": 9.83246554776207, "volatility_20d_pct": 109.18178749390499, "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": "", "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": "BLND_CFD.UK", "name": "BRITISH LAND CO PLC", "sector": "", "last_price": 400.4, "change_1d_pct": -3.4715525554484206, "distance_from_ma200_pct": 6.86656372352572, "distance_from_ma50_pct": -0.2590673575129543, "volatility_20d_pct": 90.47340329611018, "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": "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": "DCC_CFD.UK", "name": "DCC PLC", "sector": "", "last_price": 5080.0, "change_1d_pct": 16.08775137111518, "distance_from_ma200_pct": 5.470412938362834, "distance_from_ma50_pct": 5.336155457586478, "volatility_20d_pct": 94.82279659179201, "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": "IMI_CFD.UK", "name": "IMI PLC", "sector": "", "last_price": 2828.0, "change_1d_pct": 8.26952526799387, "distance_from_ma200_pct": 29.012317870749314, "distance_from_ma50_pct": 11.107007677698544, "volatility_20d_pct": 78.40398881701634, "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": "RKT_CFD.UK", "name": "", "sector": "", "last_price": 6416.0, "change_1d_pct": -0.773275595422207, "distance_from_ma200_pct": 9.203621104249947, "distance_from_ma50_pct": 1.3697812890090422, "volatility_20d_pct": 53.84159623395557, "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": "CNA_CFD.UK", "name": "CENTRICA PLC", "sector": "", "last_price": 189.9, "change_1d_pct": -3.6040609137055757, "distance_from_ma200_pct": 12.694478089261874, "distance_from_ma50_pct": 4.223265003704624, "volatility_20d_pct": 4354.2492559168495, "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": "CSGP_CFD.US", "name": "CoStar Group Inc", "sector": "", "last_price": 44.99, "change_1d_pct": -0.08882966910948031, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -27.832637164507577, "volatility_20d_pct": 6517.0730512753025, "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": "BRBY_CFD.UK", "name": "BURBERRY GROUP PLC", "sector": "", "last_price": 1174.5, "change_1d_pct": -0.550381033022862, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -4.69118971687319, "volatility_20d_pct": 4100.463229875871, "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"}], "output_schema": {"selected_stocks": [{"symbol": "string", "mean_reversion_score": "integer 0-100", "selection_reason": "short, concrete, indicator-based"}], "rejected_common_reasons": ["string"]}}

{
  "selected_stocks": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "distance_from_ma200 -22.56%, distance_from_ma50 -12.56%",
      "mean_reversion_score": 85
    },
    {
      "symbol": "SYNT_CFD.UK",
      "selection_reason": "distance_from_ma200 -73.62%, distance_from_ma50 -61.00%",
      "mean_reversion_score": 92
    },
    {
      "symbol": "BIG_CFD.FR",
      "selection_reason": "distance_from_ma200 -57.48%, distance_from_ma50 -45.84%",
      "mean_reversion_score": 88
    },
    {
      "symbol": "CNA_CFD.UK",
      "selection_reason": "distance_from_ma200 +12.69%, distance_from_ma50 +4.22%",
      "mean_reversion_score": 79
    },
    {
      "symbol": "COTY_CFD.US",
      "selection_reason": "distance_from_ma50 -12.43%",
      "mean_reversion_score": 68
    }
  ],
  "rejected_common_reasons": [
    "sector_concentration",
    "insufficient_data",
    "excessive_volatility"
  ]
}

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.

{"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": 102.99000000000001, "unrealized_pnl": 170.38633215330185, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 0.0, "avg_price": 0.453, "last_price": 0.453, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "BRBY_CFD.UK", "qty": 2.6807734925117064, "avg_price": 1119.08, "last_price": 1067.5, "unrealized_pnl": -138.2742967437536, "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": 8.262186725419994, "avg_price": 363.1, "last_price": 340.3, "unrealized_pnl": -188.37785733957597, "opened_at": "2026-03-02T18:21:09.503139+00:00"}, {"symbol": "BT_CFD.UK", "qty": 14.218009478672986, "avg_price": 211.0, "last_price": 207.1, "unrealized_pnl": -55.450236966824725, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 10.252904989747094, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "CABO_CFD.US", "qty": 31.71247357293869, "avg_price": 94.6, "last_price": 108.8, "unrealized_pnl": 450.3171247357295, "opened_at": "2026-02-27T18:23:55.960577+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": 80.42248612712115, "avg_price": 37.303, "last_price": 35.9, "unrealized_pnl": -112.83274803635086, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 6.855575868372943, "avg_price": 437.6, "last_price": 437.5, "unrealized_pnl": -0.6855575868374502, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 22.466300549176236, "avg_price": 400.6, "last_price": 414.2, "unrealized_pnl": 305.54168746879606, "opened_at": "2026-02-18T09:36:37.284518+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": "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": 14.577259475218659, "avg_price": 205.8, "last_price": 205.8, "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": "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": "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": 11.389521640091116, "avg_price": 263.4, "last_price": 240.8, "unrealized_pnl": -257.4031890660588, "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": 85, "selection_reason": "distance_from_ma200 -22.56%, distance_from_ma50 -12.56%"}, {"symbol": "SYNT_CFD.UK", "mean_reversion_score": 92, "selection_reason": "distance_from_ma200 -73.62%, distance_from_ma50 -61.00%"}, {"symbol": "BIG_CFD.FR", "mean_reversion_score": 88, "selection_reason": "distance_from_ma200 -57.48%, distance_from_ma50 -45.84%"}, {"symbol": "CNA_CFD.UK", "mean_reversion_score": 79, "selection_reason": "distance_from_ma200 +12.69%, distance_from_ma50 +4.22%"}, {"symbol": "COTY_CFD.US", "mean_reversion_score": 68, "selection_reason": "distance_from_ma50 -12.43%"}], "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"}}

{
  "actions": {
    "buy": [
      {
        "reason": "Top-ranked candidate with -73.62% distance from MA200",
        "symbol": "SYNT_CFD.UK",
        "position_size": 3000
      },
      {
        "reason": "Strong mean-reversion candidate with -57.48% from MA200",
        "symbol": "BIG_CFD.FR",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Maintain existing profitable position",
        "symbol": "AKAM_CFD.US"
      },
      {
        "reason": "Keep existing profitable position +15.02%",
        "symbol": "CABO_CFD.US"
      },
      {
        "reason": "Hold existing position with +3.4% gain",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "Retain position with +2.64% unrealized gain",
        "symbol": "UKW_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Underperforming position with -8.96% unrealized loss",
        "symbol": "WPP_CFD.UK"
      }
    ]
  },
  "portfolio_rationale": "First reduce exposure to underperforming asset WPP_CFD.UK. Allocate freed capital to top-ranked mean-reversion candidates SYNT_CFD.UK and BIG_CFD.FR based on significant deviations from moving averages. Maintain existing profitable positions within max_positions limit of 10 and avoid overtrading per strategy rules."
}

{
  "selected_stocks": [
    {
      "symbol": "TRN_CFD.UK",
      "selection_reason": "distance_from_ma200 -22.56%, distance_from_ma50 -12.56%",
      "mean_reversion_score": 85
    },
    {
      "symbol": "SYNT_CFD.UK",
      "selection_reason": "distance_from_ma200 -73.62%, distance_from_ma50 -61.00%",
      "mean_reversion_score": 92
    },
    {
      "symbol": "BIG_CFD.FR",
      "selection_reason": "distance_from_ma200 -57.48%, distance_from_ma50 -45.84%",
      "mean_reversion_score": 88
    },
    {
      "symbol": "CNA_CFD.UK",
      "selection_reason": "distance_from_ma200 +12.69%, distance_from_ma50 +4.22%",
      "mean_reversion_score": 79
    },
    {
      "symbol": "COTY_CFD.US",
      "selection_reason": "distance_from_ma50 -12.43%",
      "mean_reversion_score": 68
    }
  ],
  "rejected_common_reasons": [
    "sector_concentration",
    "insufficient_data",
    "excessive_volatility"
  ]
}