Arena run #136

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": "DSY_CFD.FR", "name": "Dassault Systemes SA", "sector": "", "last_price": 17.881, "change_1d_pct": -1.6554834451655398, "distance_from_ma200_pct": -34.637393069757884, "distance_from_ma50_pct": -22.617996627925898, "volatility_20d_pct": 136.7518220483471, "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": "FTK_CFD.DE", "name": "", "sector": "", "last_price": 33.396, "change_1d_pct": -9.010162657003518, "distance_from_ma200_pct": 11.581584427760138, "distance_from_ma50_pct": -9.535209916995369, "volatility_20d_pct": 84.74830613354514, "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": "RIVN_CFD.US", "name": "Rivian Automotive Inc", "sector": "", "last_price": 18.26, "change_1d_pct": 18.88020833333335, "distance_from_ma200_pct": 22.82483671561275, "distance_from_ma50_pct": 3.91531982699751, "volatility_20d_pct": 153.53412458433212, "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": "WIZZ_CFD.UK", "name": "", "sector": "", "last_price": 1410.0, "change_1d_pct": -1.6050244242847178, "distance_from_ma200_pct": 12.438563987291552, "distance_from_ma50_pct": 10.005010299121553, "volatility_20d_pct": 107.14174850053962, "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": "DIM_CFD.FR", "name": "Sartorius Stedim Biotech SA", "sector": "", "last_price": 174.3, "change_1d_pct": 0.17241379310346527, "distance_from_ma200_pct": -9.882090564879785, "distance_from_ma50_pct": -13.770141573299632, "volatility_20d_pct": 74.92390271465962, "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": 300.4, "change_1d_pct": -12.674418604651173, "distance_from_ma200_pct": -28.03446775272175, "distance_from_ma50_pct": -14.34777426817815, "volatility_20d_pct": 87.82535981934274, "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": "IWG_CFD.UK", "name": "IWG PLC", "sector": "", "last_price": 224.0, "change_1d_pct": -7.361455748552526, "distance_from_ma200_pct": 4.848984696728986, "distance_from_ma50_pct": -3.5089986474029167, "volatility_20d_pct": 99.60824559726845, "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": "MAU_CFD.FR", "name": "", "sector": "", "last_price": 7.735, "change_1d_pct": 6.91085003455425, "distance_from_ma200_pct": 49.39339714018356, "distance_from_ma50_pct": 29.856394105342332, "volatility_20d_pct": 69.24306208886863, "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": "BLDR_CFD.US", "name": "Builders FirstSource Inc", "sector": "", "last_price": 117.9, "change_1d_pct": -8.08450923832541, "distance_from_ma200_pct": -1.8894804552860633, "distance_from_ma50_pct": 3.194748358862154, "volatility_20d_pct": 85.68629405896507, "market_cap_usd": null, "avg_daily_volume_usd": null, 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{"symbol": "EDP_CFD.PT", "name": "EDP-Energias De Portugal S.A.", "sector": "", "last_price": 4.236, "change_1d_pct": -3.155006858710563, "distance_from_ma200_pct": 8.888443327112604, "distance_from_ma50_pct": 3.889224068160746, "volatility_20d_pct": 32.78994661901933, "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": "HFG_CFD.DE", "name": "", "sector": "", "last_price": 5.177, "change_1d_pct": -8.468882602545968, "distance_from_ma200_pct": -31.412067475051263, "distance_from_ma50_pct": -9.778498109130195, "volatility_20d_pct": 126.58358777217298, "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": "MLCO_CFD.US", "name": "", "sector": "", "last_price": 5.6, "change_1d_pct": -11.251980982567355, "distance_from_ma200_pct": -28.984478035913565, "distance_from_ma50_pct": -21.29525522824376, "volatility_20d_pct": 102.89345949241407, "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": "ADJ_CFD.DE", "name": "ADLER GROUP SA", "sector": "", "last_price": 0.191, "change_1d_pct": 9.142857142857142, "distance_from_ma200_pct": -10.395946706699188, "distance_from_ma50_pct": -2.421579646469818, "volatility_20d_pct": 294.3802301494004, "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": "IPR_CFD.PT", "name": "Impresa SGPS SA", "sector": "", "last_price": 0.191, "change_1d_pct": -4.975124378109452, "distance_from_ma200_pct": 27.083402641471753, "distance_from_ma50_pct": -6.12405386808218, "volatility_20d_pct": 429.02488113454956, "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": "LOTB_CFD.BE", "name": "", "sector": "", "last_price": 10400.0, "change_1d_pct": -1.5151515151515138, "distance_from_ma200_pct": 22.048705128282343, "distance_from_ma50_pct": 19.869250310046404, "volatility_20d_pct": 153.1429616770747, "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": "TRST_CFD.UK", "name": "TRUSTPILOT AS", "sector": "", "last_price": 134.3, "change_1d_pct": -0.37091988130564246, "distance_from_ma200_pct": -37.755561966933506, "distance_from_ma50_pct": -25.763535579331855, "volatility_20d_pct": 8071.894412527361, "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": "AAL_CFD.UK", "name": "ANGLO AMERICAN PLC", "sector": "", "last_price": 3604.0, "change_1d_pct": 1.549732318963093, "distance_from_ma200_pct": 36.22533469561186, "distance_from_ma50_pct": 12.006820357593885, "volatility_20d_pct": 94.34233416580979, "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": "J_CFD.US", "name": "", "sector": "", "last_price": 134.62, "change_1d_pct": -11.165368879503756, "distance_from_ma200_pct": -4.1219649513149275, "distance_from_ma50_pct": -2.308259458580797, "volatility_20d_pct": 71.60679701028992, "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": "TRI_CFD.FR", "name": "", "sector": "", "last_price": 170.9, "change_1d_pct": 0.8259587020648995, "distance_from_ma200_pct": 12.255904576832188, "distance_from_ma50_pct": -0.4238831189640302, "volatility_20d_pct": 48.340105610829056, "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": "EXPO_CFD.US", "name": "Exponent Inc", "sector": "", "last_price": 67.79, "change_1d_pct": -11.743262596016136, "distance_from_ma200_pct": -6.418653320384616, "distance_from_ma50_pct": -7.0707901518890175, "volatility_20d_pct": 92.11453378932266, "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": "", "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": "ICG_CFD.UK", "name": "ICG Plc", "sector": "", "last_price": 1725.0, "change_1d_pct": -13.18570709612481, "distance_from_ma200_pct": -14.958295918064756, "distance_from_ma50_pct": -12.167853189864985, "volatility_20d_pct": 71.84705535187696, "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": "DSY_CFD.FR",
      "selection_reason": "Strong negative deviation from MA50/MA200",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "Significant negative MA deviations",
      "mean_reversion_score": 78
    },
    {
      "symbol": "ATE_CFD.FR",
      "selection_reason": "Consistent negative MA distance",
      "mean_reversion_score": 74
    },
    {
      "symbol": "HFG_CFD.DE",
      "selection_reason": "Large negative distance from MA200",
      "mean_reversion_score": 76
    },
    {
      "symbol": "LSS_CFD.FR",
      "selection_reason": "Negative MA distances with high volatility",
      "mean_reversion_score": 72
    }
  ],
  "rejected_common_reasons": [
    "Insufficient negative deviation from moving averages",
    "Extreme volatility exceeding risk tolerance",
    "Positive distance from both MA50 and MA200",
    "Missing required technical indicators"
  ]
}

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": [], "candidates": [{"symbol": "DSY_CFD.FR", "mean_reversion_score": 82, "selection_reason": "Strong negative deviation from MA50/MA200"}, {"symbol": "BYIT_CFD.UK", "mean_reversion_score": 78, "selection_reason": "Significant negative MA deviations"}, {"symbol": "ATE_CFD.FR", "mean_reversion_score": 74, "selection_reason": "Consistent negative MA distance"}, {"symbol": "HFG_CFD.DE", "mean_reversion_score": 76, "selection_reason": "Large negative distance from MA200"}, {"symbol": "LSS_CFD.FR", "mean_reversion_score": 72, "selection_reason": "Negative MA distances with high volatility"}], "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",
        "symbol": "DSY_CFD.FR",
        "position_size": 3000
      },
      {
        "reason": "Second-highest score with significant deviation",
        "symbol": "BYIT_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [],
    "sell": []
  },
  "portfolio_rationale": "Initialized portfolio with top 2 candidates based on mean-reversion scores. No existing positions to sell. Followed max_buys_per_run constraint of 2 and fixed_position_size of 3000."
}

{
  "selected_stocks": [
    {
      "symbol": "DSY_CFD.FR",
      "selection_reason": "Strong negative deviation from MA50/MA200",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "Significant negative MA deviations",
      "mean_reversion_score": 78
    },
    {
      "symbol": "ATE_CFD.FR",
      "selection_reason": "Consistent negative MA distance",
      "mean_reversion_score": 74
    },
    {
      "symbol": "HFG_CFD.DE",
      "selection_reason": "Large negative distance from MA200",
      "mean_reversion_score": 76
    },
    {
      "symbol": "LSS_CFD.FR",
      "selection_reason": "Negative MA distances with high volatility",
      "mean_reversion_score": 72
    }
  ],
  "rejected_common_reasons": [
    "Insufficient negative deviation from moving averages",
    "Extreme volatility exceeding risk tolerance",
    "Positive distance from both MA50 and MA200",
    "Missing required technical indicators"
  ]
}