Arena run #462

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": "Largest 1d drop (-3.84%) combined with -9.04% below MA50, suggesting oversold snap-back potential within 2-10 day horizon.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "-6.47% below MA50 with near-flat 1d change (+0.13%), indicating extended deviation from mean with selling pressure potentially exhausted.",
      "mean_reversion_score": 74
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "-2.80% below MA50 with modest 1d decline (-0.47%) and relatively low 20d volatility (2230), offering favorable risk-adjusted reversion setup.",
      "mean_reversion_score": 62
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "-1.63% below MA50 with -1.10% 1d drop and lowest volatility in set (2239), clean low-vol mean-reversion candidate.",
      "mean_reversion_score": 58
    },
    {
      "symbol": "CRDA_CFD.UK",
      "selection_reason": "Mildly below MA50 (-0.57%) with small 1d decline (-0.28%); moderate deviation but low relative volatility (5233) supports gradual reversion.",
      "mean_reversion_score": 50
    }
  ],
  "rejected_common_reasons": [
    "WELL_CFD.US: +9.0% above MA50 — extended to upside, not a mean-reversion long candidate; potential short but strategy focuses on oversold bounce.",
    "ATG_CFD.UK: Trading slightly above MA50 (+0.83%) with positive 1d change — no meaningful deviation from mean to exploit.",
    "AMG_CFD.NL: Near MA50 (+1.41%) with extremely high volatility (7517) — insufficient deviation and unfavorable risk profile for mean-reversion."
  ]
}

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": "ADS_CFD.DE", "qty": 21.873860736419978, "avg_price": 137.15, "last_price": 142.35, "unrealized_pnl": 113.74407582938363, "opened_at": "2026-03-04T10:26:53.527562+00:00"}, {"symbol": "AMCX_CFD.US", "qty": 0.0, "avg_price": 7.58, "last_price": 7.46, "unrealized_pnl": 0.0, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "AMH_CFD.US", "qty": 0.0, "avg_price": 29.63, "last_price": 29.16, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "AML_CFD.UK", "qty": 0.0, "avg_price": 59.0, "last_price": 58.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "ARCAD_CFD.NL", "qty": 0.0, "avg_price": 28.6, "last_price": 27.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T10:32:09.961595+00:00"}, {"symbol": "BLND_CFD.UK", "qty": 7.874015748031496, "avg_price": 381.0, "last_price": 387.4, "unrealized_pnl": 50.3937007874014, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "BXP_CFD.US", "qty": 0.0, "avg_price": 60.835, "last_price": 57.754999999999995, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}, {"symbol": "BYIT_CFD.UK", "qty": 10.252904989747094, "avg_price": 292.6, "last_price": 292.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "CABO_CFD.US", "qty": 0.0, "avg_price": 94.6, "last_price": 108.935, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "CAR_CFD.US", "qty": 32.507991547922195, "avg_price": 92.285, "last_price": 96.15, "unrealized_pnl": 125.64338733271958, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "CCC_CFD.UK", "qty": 0.0, "avg_price": 2978.0, "last_price": 3218.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "CCL_CFD.UK", "qty": 0.0, "avg_price": 2124.0, "last_price": 2086.12, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 423.05499999999995, "last_price": 388.21500000000003, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "DLN_CFD.UK", "qty": 1.6556291390728477, "avg_price": 1812.0, "last_price": 1812.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-28T10:51:05.818250+00:00"}, {"symbol": "ETSY_CFD.US", "qty": 0.0, "avg_price": 44.13, "last_price": 50.905, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "FME_CFD.DE", "qty": 0.0, "avg_price": 38.38, "last_price": 38.14, "unrealized_pnl": 0.0, "opened_at": "2026-02-24T18:14:37.115518+00:00"}, {"symbol": "FRE_CFD.DE", "qty": 0.0, "avg_price": 49.156, "last_price": 47.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T10:57:06.928276+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": "HO_CFD.FR", "qty": 0.0, "avg_price": 254.566, "last_price": 251.7, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T10:32:09.961595+00:00"}, {"symbol": "ICG_CFD.UK", "qty": 0.0, "avg_price": 1700.0, "last_price": 1693.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "JBLU_CFD.US", "qty": 0.0, "avg_price": 4.57, "last_price": 4.5600000000000005, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T18:20:59.102726+00:00"}, {"symbol": "LOPE_CFD.US", "qty": 0.0, "avg_price": 157.02, "last_price": 152.77, "unrealized_pnl": 0.0, "opened_at": "2026-02-22T17:33:48.338981+00:00"}, {"symbol": "LPX_CFD.US", "qty": 0.0, "avg_price": 86.45, "last_price": 82.99, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "LSS_CFD.FR", "qty": 0.0, "avg_price": 20.15, "last_price": 19.78, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+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": "MTG_CFD.US", "qty": 0.0, "avg_price": 26.27, "last_price": 25.98, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 0.0, "avg_price": 217.0, "last_price": 217.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "OKTA_CFD.US", "qty": 0.0, "avg_price": 70.18, "last_price": 78.38, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 19.74853531696399, "avg_price": 151.91, "last_price": 151.91, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "PROX_CFD.BE", "qty": 0.0, "avg_price": 6.98, "last_price": 7.55, "unrealized_pnl": 0.0, "opened_at": "2026-02-28T10:51:05.818250+00:00"}, {"symbol": "PZC_CFD.UK", "qty": 37.5, "avg_price": 80.0, "last_price": 80.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-04T18:49:26.891792+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 417.16, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "SGE_CFD.UK", "qty": 0.0, "avg_price": 795.4, "last_price": 783.4, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "STJ_CFD.UK", "qty": 2.3400936037441498, "avg_price": 1282.0, "last_price": 1318.5, "unrealized_pnl": 85.41341653666147, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "STM_CFD.DE", "qty": 0.0, "avg_price": 18.436, "last_price": 17.66, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "STZ_CFD.US", "qty": 0.0, "avg_price": 149.07, "last_price": 156.44, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "TCAP_CFD.UK", "qty": 0.0, "avg_price": 257.0, "last_price": 248.0, "unrealized_pnl": 0.0, "opened_at": "2026-03-01T10:30:13.622938+00:00"}, {"symbol": "TMV_CFD.DE", "qty": 0.0, "avg_price": 4.781, "last_price": 4.769, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 16.260162601626018, "avg_price": 184.5, "last_price": 184.5, "unrealized_pnl": 0.0, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "TUI1_CFD.DE", "qty": 0.0, "avg_price": 7.398000000000001, "last_price": 7.132, "unrealized_pnl": 0.0, "opened_at": "2026-03-02T10:31:26.559356+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 32.48511099079589, "avg_price": 92.35, "last_price": 94.79, "unrealized_pnl": 79.26367081754236, "opened_at": "2026-02-21T17:32:49.140800+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": "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": "ZAL_CFD.DE", "qty": 0.0, "avg_price": 21.078, "last_price": 20.775, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "ZION_CFD.US", "qty": 0.0, "avg_price": 58.99, "last_price": 57.21, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}], "candidates": [{"symbol": "CCL_CFD.UK", "mean_reversion_score": 82, "selection_reason": "Largest 1d drop (-3.84%) combined with -9.04% below MA50, suggesting oversold snap-back potential within 2-10 day horizon."}, {"symbol": "BYIT_CFD.UK", "mean_reversion_score": 74, "selection_reason": "-6.47% below MA50 with near-flat 1d change (+0.13%), indicating extended deviation from mean with selling pressure potentially exhausted."}, {"symbol": "ABF_CFD.UK", "mean_reversion_score": 62, "selection_reason": "-2.80% below MA50 with modest 1d decline (-0.47%) and relatively low 20d volatility (2230), offering favorable risk-adjusted reversion setup."}, {"symbol": "BBY_CFD.UK", "mean_reversion_score": 58, "selection_reason": "-1.63% below MA50 with -1.10% 1d drop and lowest volatility in set (2239), clean low-vol mean-reversion candidate."}, {"symbol": "CRDA_CFD.UK", "mean_reversion_score": 50, "selection_reason": "Mildly below MA50 (-0.57%) with small 1d decline (-0.28%); moderate deviation but low relative volatility (5233) supports gradual reversion."}], "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 (82). Largest 1d drop (-3.84%) and -9.04% below MA50 — strong oversold snap-back candidate. Replacing ADS_CFD.DE slot.",
        "symbol": "CCL_CFD.UK",
        "position_size": 3000
      },
      {
        "reason": "Mean-reversion score 62 with -2.80% below MA50 and low volatility. Clean risk-adjusted reversion setup. Replacing CAR_CFD.US slot. Skipping BYIT as already held.",
        "symbol": "ABF_CFD.UK",
        "position_size": 3000
      }
    ],
    "hold": [
      {
        "reason": "Modest gain of +1.68% ($50.39 PnL). Still within reversion window — hold for further upside.",
        "symbol": "BLND_CFD.UK"
      },
      {
        "reason": "Flat at entry price but candidate list confirms still -6.47% below MA50. Reversion thesis intact, hold for bounce.",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "Flat at entry. Small position, no clear signal to exit. Hold.",
        "symbol": "DLN_CFD.UK"
      },
      {
        "reason": "Up +3.21% ($96.35 PnL). Recently opened position still within reversion window. Hold.",
        "symbol": "LXS_CFD.DE"
      },
      {
        "reason": "Flat at entry. No deterioration signal. Hold.",
        "symbol": "PAGE_CFD.UK"
      },
      {
        "reason": "Flat at entry. No signal to exit. Hold.",
        "symbol": "PZC_CFD.UK"
      },
      {
        "reason": "Up +2.85% ($85.41 PnL). Reversion progressing well but not yet exhausted. Hold.",
        "symbol": "STJ_CFD.UK"
      },
      {
        "reason": "Flat at entry. No deterioration. Hold.",
        "symbol": "TRN_CFD.UK"
      },
      {
        "reason": "Up +2.64% ($79.26 PnL). Moderate gain, reversion still in progress. Hold.",
        "symbol": "UKW_CFD.UK"
      },
      {
        "reason": "Flat at entry. No signal to exit. Hold.",
        "symbol": "UTG_CFD.UK"
      }
    ],
    "sell": [
      {
        "reason": "Position has gained +3.79% ($113.74 unrealized PnL), moving away from mean-reversion entry. Price has reverted sufficiently — locking in profits.",
        "symbol": "ADS_CFD.DE"
      },
      {
        "reason": "Position up +4.19% ($125.64 unrealized PnL), price has reverted from entry. Taking profit consistent with mean-reversion exit discipline.",
        "symbol": "CAR_CFD.US"
      }
    ]
  },
  "portfolio_rationale": "Selling two positions (ADS_CFD.DE, CAR_CFD.US) that have reverted +3.8% to +4.2% from entry — consistent with mean-reversion profit-taking discipline. Replacing with CCL_CFD.UK (score 82, deeply oversold at -9% below MA50) and ABF_CFD.UK (score 62, low-vol clean setup). BYIT_CFD.UK already held so skipped despite high score. Remaining 10 active positions maintained as reversion theses remain intact. Portfolio stays within max 10 positions and max 2 buys/sells per run. Gross exposure remains well within 3x leverage limit."
}

{
  "selected_stocks": [
    {
      "symbol": "CCL_CFD.UK",
      "selection_reason": "Largest 1d drop (-3.84%) combined with -9.04% below MA50, suggesting oversold snap-back potential within 2-10 day horizon.",
      "mean_reversion_score": 82
    },
    {
      "symbol": "BYIT_CFD.UK",
      "selection_reason": "-6.47% below MA50 with near-flat 1d change (+0.13%), indicating extended deviation from mean with selling pressure potentially exhausted.",
      "mean_reversion_score": 74
    },
    {
      "symbol": "ABF_CFD.UK",
      "selection_reason": "-2.80% below MA50 with modest 1d decline (-0.47%) and relatively low 20d volatility (2230), offering favorable risk-adjusted reversion setup.",
      "mean_reversion_score": 62
    },
    {
      "symbol": "BBY_CFD.UK",
      "selection_reason": "-1.63% below MA50 with -1.10% 1d drop and lowest volatility in set (2239), clean low-vol mean-reversion candidate.",
      "mean_reversion_score": 58
    },
    {
      "symbol": "CRDA_CFD.UK",
      "selection_reason": "Mildly below MA50 (-0.57%) with small 1d decline (-0.28%); moderate deviation but low relative volatility (5233) supports gradual reversion.",
      "mean_reversion_score": 50
    }
  ],
  "rejected_common_reasons": [
    "WELL_CFD.US: +9.0% above MA50 — extended to upside, not a mean-reversion long candidate; potential short but strategy focuses on oversold bounce.",
    "ATG_CFD.UK: Trading slightly above MA50 (+0.83%) with positive 1d change — no meaningful deviation from mean to exploit.",
    "AMG_CFD.NL: Near MA50 (+1.41%) with extremely high volatility (7517) — insufficient deviation and unfavorable risk profile for mean-reversion."
  ]
}