Arena run #458

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": "CCL_CFD.UK", "name": "CARNIVAL PLC", "sector": "", "last_price": 2056.0, "change_1d_pct": -3.8353601496725953, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -9.043361966860509, "volatility_20d_pct": 4989.899809950319, "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": 722.5, "change_1d_pct": -1.0951403148528382, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -1.628407265201648, "volatility_20d_pct": 2239.4661443465884, "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": 313.0, "change_1d_pct": 0.3205128205128194, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 0.8343803356850588, "volatility_20d_pct": 2871.9337920464413, "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": 307.0, "change_1d_pct": 0.1304631441617632, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -6.467455549191414, "volatility_20d_pct": 3817.334046309414, "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": 2839.0, "change_1d_pct": -0.28099754127151044, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -0.572261096752058, "volatility_20d_pct": 5232.645582727379, "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": "WELL_CFD.US", "name": "Welltower Inc", "sector": "", "last_price": 208.19, "change_1d_pct": 0.08653430123553019, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 8.99988586399385, "volatility_20d_pct": 2428.1530638821737, "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": "AMG_CFD.NL", "name": "AMG ADVANCED METALLURGICAL", "sector": "", "last_price": 35.48, "change_1d_pct": -0.05633802816902289, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 1.413152840025611, "volatility_20d_pct": 7516.604034946565, "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": "ABF_CFD.UK", "name": "ASSOCIATED BRITISH FOODS PLC", "sector": "", "last_price": 1905.5, "change_1d_pct": -0.47009663097414833, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -2.797969750299689, "volatility_20d_pct": 2229.6062835057237, "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": "CCL_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -9.04%",
      "mean_reversion_score": 72
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -6.47%",
      "mean_reversion_score": 65
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -2.80%",
      "mean_reversion_score": 58
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -1.63%",
      "mean_reversion_score": 55
    },
    {
      "symbol": "CRDA_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -0.57%",
      "mean_reversion_score": 45
    }
  ],
  "rejected_common_reasons": [
    "unknown_sector",
    "no_earnings_data"
  ]
}

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": 98.94, "unrealized_pnl": 45.71340618747112, "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": 14.218009478672986, "avg_price": 211.0, "last_price": 207.8, "unrealized_pnl": -45.49763033175339, "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": 109.7, "unrealized_pnl": 478.8583509513745, "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": "CO_CFD.FR", "qty": 17543.859649122805, "avg_price": 0.171, "last_price": 0.165, "unrealized_pnl": -105.26315789473692, "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": 0.0, "avg_price": 437.6, "last_price": 421.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 62.16972334473111, "avg_price": 48.255, "last_price": 46.084999999999994, "unrealized_pnl": -134.90829965806705, "opened_at": "2026-03-05T18:20:59.102726+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": "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": 0.0, "avg_price": 205.8, "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": 16.260162601626018, "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": "CCL_CFD.UK", "mean_reversion_score": 72, "selection_reason": "distance_from_ma50_pct -9.04%"}, {"symbol": "BYIT_CFD.UK", "mean_reversion_score": 65, "selection_reason": "distance_from_ma50_pct -6.47%"}, {"symbol": "ABF_CFD.UK", "mean_reversion_score": 58, "selection_reason": "distance_from_ma50_pct -2.80%"}, {"symbol": "BBY_CFD.UK", "mean_reversion_score": 55, "selection_reason": "distance_from_ma50_pct -1.63%"}, {"symbol": "CRDA_CFD.UK", "mean_reversion_score": 45, "selection_reason": "distance_from_ma50_pct -0.57%"}], "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": "Highest mean-reversion score among candidates",
        "symbol": "CCL_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Maintain existing position",
        "symbol": "AKAM_CFD.US"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "BT_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "CABO_CFD.US"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "CBG_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "CO_CFD.FR"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "HMSO_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "LXS_CFD.DE"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "RHIM_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "SYNT_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "TRN_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "UKW_CFD.UK"
      },
      {
        "reason": "Maintain existing position",
        "symbol": "UTG_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Lowest unrealized PnL among active positions",
        "symbol": "FBIN_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "Sell FBIN_CFD.US due to poor performance. Buy CCL_CFD.UK for mean reversion opportunity. Maintain all other positions per strategy constraints."
}

{
  "selected_stocks": [
    {
      "symbol": "CCL_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -9.04%",
      "mean_reversion_score": 72
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -6.47%",
      "mean_reversion_score": 65
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -2.80%",
      "mean_reversion_score": 58
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -1.63%",
      "mean_reversion_score": 55
    },
    {
      "symbol": "CRDA_CFD.UK",
      "selection_reason": "distance_from_ma50_pct -0.57%",
      "mean_reversion_score": 45
    }
  ],
  "rejected_common_reasons": [
    "unknown_sector",
    "no_earnings_data"
  ]
}