Arena run #543

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": "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": "PAGE_CFD.UK", "name": "PAGEGROUP PLC", "sector": "", "last_price": 205.8, "change_1d_pct": -13.091216216216218, "distance_from_ma200_pct": -20.507377691735872, "distance_from_ma50_pct": -9.456474873951793, "volatility_20d_pct": 113.15149478988747, "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": 385.8, "change_1d_pct": -0.8226221079691509, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -5.276803865531354, "volatility_20d_pct": 2775.983609722267, "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": 97.16, "change_1d_pct": 1.0609527771999083, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 11.562182562106349, "volatility_20d_pct": 3467.4527549275817, "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": "BIG_CFD.FR", "name": "Bigben Interactive", "sector": "", "last_price": 0.316, "change_1d_pct": -31.601731601731608, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -59.40807727879971, "volatility_20d_pct": 15531.09352934197, "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": "BME_CFD.UK", "name": "B&M EUROPEAN VALUE RETAIL SA", "sector": "", "last_price": 187.88, "change_1d_pct": 1.0107526881720341, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 7.318666981973787, "volatility_20d_pct": 3503.713036055361, "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": 1887.0, "change_1d_pct": -2.0503503763301345, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -3.3299180327868827, "volatility_20d_pct": 2105.89979933895, "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": "CCH_CFD.UK", "name": "COCA-COLA HBC AG-DI", "sector": "", "last_price": 4704.0, "change_1d_pct": -0.3811944091486663, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 19.722683172651113, "volatility_20d_pct": 2425.007693254479, "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": "COLR_CFD.BE", "name": "Colruyt", "sector": "", "last_price": 35.18, "change_1d_pct": 0.4568817818389359, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 9.353823964589015, "volatility_20d_pct": 1904.1899576456217, "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": "PAGE_CFD.UK",
      "selection_reason": "significant drop below MA50 and MA200",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BLND_CFD.UK",
      "selection_reason": "moderate drop below MA50",
      "mean_reversion_score": 75
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "minor drop below MA50",
      "mean_reversion_score": 70
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "moderate drop below MA50",
      "mean_reversion_score": 65
    },
    {
      "symbol": "COLR_CFD.BE",
      "selection_reason": "moderate rise above MA50",
      "mean_reversion_score": 60
    }
  ],
  "rejected_common_reasons": [
    "high volatility",
    "unknown sector",
    "unknown earnings date",
    "unknown market cap",
    "unknown average daily volume"
  ]
}

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": "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": "ADJ_CFD.DE", "qty": 0.0, "avg_price": 0.184, "last_price": 0.2, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T21:00:47.737392+00:00"}, {"symbol": "ADS_CFD.DE", "qty": 21.873860736419978, "avg_price": 137.15, "last_price": 141.8, "unrealized_pnl": 101.71345242435302, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "AIR_CFD.DE", "qty": 0.0, "avg_price": 200.984, "last_price": 187.12, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "AMH_CFD.US", "qty": 101.23165176311794, "avg_price": 29.634999999999998, "last_price": 29.465, "unrealized_pnl": -17.209380799729864, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "AML_CFD.UK", "qty": 75.1503006012024, "avg_price": 39.92, "last_price": 42.04, "unrealized_pnl": 159.3186372745489, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "ATG_CFD.UK", "qty": 10.135135135135135, "avg_price": 296.0, "last_price": 296.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T21:00:47.737392+00:00"}, {"symbol": "BBY_CFD.UK", "qty": 4.129387474191328, "avg_price": 726.5, "last_price": 726.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-06T18:02:13.212382+00:00"}, {"symbol": "BIG_CFD.FR", "qty": 0.0, "avg_price": 0.453, "last_price": 0.296, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T17:33:48.338981+00:00"}, {"symbol": "BT_CFD.UK", "qty": 0.0, "avg_price": 204.0, "last_price": 203.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 10.252904989747094, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T18:49:26.891792+00:00"}, {"symbol": "BYW6_CFD.DE", "qty": 0.0, "avg_price": 3.005, "last_price": 2.94, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "CBG_CFD.UK", "qty": 6.547359231776517, "avg_price": 458.2, "last_price": 458.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-08T18:08:31.007911+00:00"}, {"symbol": "CCC_CFD.UK", "qty": 1.007387508394896, "avg_price": 2978.0, "last_price": 3198.0, "unrealized_pnl": 221.62525184687712, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "CCL_CFD.UK", "qty": 1.5416238437821173, "avg_price": 1945.9999999999998, "last_price": 1842.0, "unrealized_pnl": -160.32887975333983, "opened_at": "2026-03-02T10:31:26.559356+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": "CRDA_CFD.UK", "qty": 0.0, "avg_price": 2911.0, "last_price": 2852.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 422.705, "last_price": 388.21500000000003, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "ERA_CFD.FR", "qty": 63.29113924050633, "avg_price": 47.4, "last_price": 56.55, "unrealized_pnl": 579.1139240506328, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 0.0, "avg_price": 474.05, "last_price": 437.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T09:32:59.506254+00:00"}, {"symbol": "FLO_CFD.US", "qty": 0.0, "avg_price": 9.875, "last_price": 9.245000000000001, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "FRVIA_CFD.FR", "qty": 0.0, "avg_price": 12.709, "last_price": 11.64, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T10:33:24.101894+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": "GRI_CFD.UK", "qty": 15.822784810126583, "avg_price": 189.6, "last_price": 189.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T09:32:59.506254+00:00"}, {"symbol": "HIK_CFD.UK", "qty": 0.0, "avg_price": 1408.0, "last_price": 1275.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-26T10:33:24.101894+00:00"}, {"symbol": "IEP_CFD.BE", "qty": 582.5242718446601, "avg_price": 5.15, "last_price": 5.4, "unrealized_pnl": 145.63106796116503, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "IHG_CFD.UK", "qty": 23.21083172147002, "avg_price": 129.25, "last_price": 129.25, "unrealized_pnl": 0.0, "opened_at": "2026-03-07T10:14:47.113218+00:00"}, {"symbol": "LXS_CFD.DE", "qty": 0.0, "avg_price": 20.34, "last_price": 20.025, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "MCG_CFD.UK", "qty": 349.92223950233284, "avg_price": 25.72, "last_price": 25.72, "unrealized_pnl": 0.0, "opened_at": "2026-03-08T18:08:31.007911+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 13.824884792626728, "avg_price": 217.0, "last_price": 217.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 59.24560595089197, "avg_price": 151.91000000000003, "last_price": 151.91, "unrealized_pnl": -1.6838613973644661e-12, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 416.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+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": 48.78048780487805, "avg_price": 184.50000000000003, "last_price": 184.5, "unrealized_pnl": -1.3864248502636101e-12, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 97.45533297238767, "avg_price": 92.35, "last_price": 94.79, "unrealized_pnl": 237.79101245262706, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "UTG_CFD.UK", "qty": 5.9405940594059405, "avg_price": 505.0, "last_price": 505.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "WIX_CFD.UK", "qty": 26.7260579064588, "avg_price": 224.5, "last_price": 224.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-09T10:19:46.508085+00:00"}, {"symbol": "WIZZ_CFD.UK", "qty": 0.0, "avg_price": 1299.0, "last_price": 1080.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "WKP_CFD.UK", "qty": 7.2727272727272725, "avg_price": 412.5, "last_price": 412.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 263.4, "last_price": 240.8, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}], "candidates": [{"symbol": "PAGE_CFD.UK", "mean_reversion_score": 85, "selection_reason": "significant drop below MA50 and MA200"}, {"symbol": "BLND_CFD.UK", "mean_reversion_score": 75, "selection_reason": "moderate drop below MA50"}, {"symbol": "BBY_CFD.UK", "mean_reversion_score": 70, "selection_reason": "minor drop below MA50"}, {"symbol": "ABF_CFD.UK", "mean_reversion_score": 65, "selection_reason": "moderate drop below MA50"}, {"symbol": "COLR_CFD.BE", "mean_reversion_score": 60, "selection_reason": "moderate rise above MA50"}], "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": "Moderate drop below MA50",
        "symbol": "BLND_CFD.UK",
        "position_size": 3000
      },
      {
        "reason": "Moderate drop below MA50",
        "symbol": "ABF_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "No significant change in price",
        "symbol": "ADJ_CFD.DE"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "ADS_CFD.DE"
      },
      {
        "reason": "No significant change in price",
        "symbol": "AIR_CFD.DE"
      },
      {
        "reason": "Marginal loss, no clear improvement",
        "symbol": "AMH_CFD.US"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "AML_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "ATG_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "BBY_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "BIG_CFD.FR"
      },
      {
        "reason": "No significant change in price",
        "symbol": "BT_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "BYW6_CFD.DE"
      },
      {
        "reason": "No significant change in price",
        "symbol": "CBG_CFD.UK"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "CCC_CFD.UK"
      },
      {
        "reason": "Marginal loss, no clear improvement",
        "symbol": "CCL_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "CO_CFD.FR"
      },
      {
        "reason": "No significant change in price",
        "symbol": "CRDA_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "CRWD_CFD.US"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "ERA_CFD.FR"
      },
      {
        "reason": "No significant change in price",
        "symbol": "EZJ_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "FLO_CFD.US"
      },
      {
        "reason": "No significant change in price",
        "symbol": "FRVIA_CFD.FR"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "FUTR_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "GRI_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "HIK_CFD.UK"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "IEP_CFD.BE"
      },
      {
        "reason": "No significant change in price",
        "symbol": "IHG_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "LXS_CFD.DE"
      },
      {
        "reason": "No significant change in price",
        "symbol": "MCG_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "OCDO_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "PAGE_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "RMV_CFD.UK"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "SYNT_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "TRN_CFD.UK"
      },
      {
        "reason": "Positive unrealized PNL",
        "symbol": "UKW_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "UTG_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "WIX_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "WIZZ_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "WKP_CFD.UK"
      },
      {
        "reason": "No significant change in price",
        "symbol": "WPP_CFD.UK"
      }
    ],
    "sell": []
  },
  "portfolio_rationale": "The portfolio is currently well-positioned with several positions showing positive unrealized PNL. Given the strategy's constraints on overtrading and the marginal changes in most positions, the decision is to hold existing positions. Additionally, two new positions are added based on mean-reversion signals, ensuring adherence to the strategy's rules and avoiding overtrading."
}

{
  "selected_stocks": [
    {
      "symbol": "PAGE_CFD.UK",
      "selection_reason": "significant drop below MA50 and MA200",
      "mean_reversion_score": 85
    },
    {
      "symbol": "BLND_CFD.UK",
      "selection_reason": "moderate drop below MA50",
      "mean_reversion_score": 75
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "minor drop below MA50",
      "mean_reversion_score": 70
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "moderate drop below MA50",
      "mean_reversion_score": 65
    },
    {
      "symbol": "COLR_CFD.BE",
      "selection_reason": "moderate rise above MA50",
      "mean_reversion_score": 60
    }
  ],
  "rejected_common_reasons": [
    "high volatility",
    "unknown sector",
    "unknown earnings date",
    "unknown market cap",
    "unknown average daily volume"
  ]
}