Arena run #876

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": "MSLH_CFD.UK", "name": "MARSHALLS PLC", "sector": "", "last_price": 179.0, "change_1d_pct": 2.052451539338662, "distance_from_ma200_pct": -18.41965657865713, "distance_from_ma50_pct": 4.539832012082234, "volatility_20d_pct": 102.90810964969117, "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": "MCG_CFD.UK", "name": "MOBICO GROUP PLC", "sector": "", "last_price": 23.88, "change_1d_pct": -4.250200481154776, "distance_from_ma200_pct": -13.633157923289751, "distance_from_ma50_pct": 0.9358119246278163, "volatility_20d_pct": 236.12122528317374, "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": "LMP_CFD.UK", "name": "LONDONMETRIC PROPERTY PLC", "sector": "", "last_price": 214.0, "change_1d_pct": 11.57455683003128, "distance_from_ma200_pct": 12.507879494597773, "distance_from_ma50_pct": 10.77384329331672, "volatility_20d_pct": 54.89150861607771, "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": "SPX_CFD.UK", "name": "SPIRAX-SARCO ENGINEERING PLC", "sector": "", "last_price": 7608.71, "change_1d_pct": 10.91413994169097, "distance_from_ma200_pct": 15.905097055024719, "distance_from_ma50_pct": 8.459177525660632, "volatility_20d_pct": 84.71063298478786, "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": "PAGE_CFD.UK", "name": "PAGEGROUP PLC", "sector": "", "last_price": 152.7, "change_1d_pct": -36.79635761589404, "distance_from_ma200_pct": -40.61156091058385, "distance_from_ma50_pct": -31.72721647345812, "volatility_20d_pct": 193.22753953431183, "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": "UTG_CFD.UK", "name": "UNITE GROUP PLC/THE", "sector": "", "last_price": 567.5, "change_1d_pct": 3.4639927073837784, "distance_from_ma200_pct": -23.929923575376698, "distance_from_ma50_pct": -3.6875042216270137, "volatility_20d_pct": 73.84223442053181, "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": "PAG_CFD.UK", "name": "PARAGON BANKING GROUP PLC", "sector": "", "last_price": 852.5, "change_1d_pct": -3.399433427762044, "distance_from_ma200_pct": -1.3404962254783492, "distance_from_ma50_pct": 0.699141440891915, "volatility_20d_pct": 71.52779356208148, "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": "SAFE_CFD.UK", "name": "SAFESTORE HOLDINGS PLC", "sector": "", "last_price": 708.0, "change_1d_pct": 0.14144271570013522, "distance_from_ma200_pct": 7.079918522466522, "distance_from_ma50_pct": -2.535991476029087, "volatility_20d_pct": 107.99712610776675, "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": "RHI MAGNESITA NV", "sector": "", "last_price": 2550.0, "change_1d_pct": -6.764168190127973, "distance_from_ma200_pct": -2.35709026809392, "distance_from_ma50_pct": 0.9429816244979738, "volatility_20d_pct": 151.25590362229855, "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": "ABDN_CFD.UK", "name": "Aberdeen Group Plc", "sector": "", "last_price": 206.2, "change_1d_pct": 0.4873294346978474, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -3.567353199768042, "volatility_20d_pct": 5122.525857900045, "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": "MOS_CFD.US", "name": "The Mosaic Company", "sector": "", "last_price": 31.14, "change_1d_pct": 3.3864541832669293, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 19.517814672936073, "volatility_20d_pct": 4137.377654101071, "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": "META_CFD.US", "name": "Meta Platforms Inc.", "sector": "", "last_price": 661.46, "change_1d_pct": -1.3055609435848492, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 0.8260357664471085, "volatility_20d_pct": 5118.765206217737, "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": "VST_CFD.US", "name": "Vistra Energy Corp", "sector": "", "last_price": 158.65, "change_1d_pct": -5.2270011947431305, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -2.878446544884661, "volatility_20d_pct": 4530.365230302939, "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": "NCLH_CFD.US", "name": "Norwegian Cruise Line Holdings Ltd", "sector": "", "last_price": 20.05, "change_1d_pct": -4.158699808795419, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -11.738552424218407, "volatility_20d_pct": 8004.424827870784, "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": "UAL_CFD.US", "name": "United Airlines Holdings Inc", "sector": "", "last_price": 95.43, "change_1d_pct": -5.025875796178337, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -13.940812778206624, "volatility_20d_pct": 6839.293685003367, "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": "PWR_CFD.US", "name": "Quanta Services Inc", "sector": "", "last_price": 563.08, "change_1d_pct": -0.3486417131227215, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 18.496058009769833, "volatility_20d_pct": 4344.4361931144, "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": "LULU_CFD.US", "name": "Lululemon Athletica Inc.", "sector": "", "last_price": 172.85, "change_1d_pct": 1.6226703509906404, "distance_from_ma200_pct": null, "distance_from_ma50_pct": -11.544956757586611, "volatility_20d_pct": 4890.955908499361, "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": "ANTO_CFD.UK", "name": "ANTOFAGASTA PLC", "sector": "", "last_price": 3857.0, "change_1d_pct": -4.647713226205196, "distance_from_ma200_pct": null, "distance_from_ma50_pct": 4.435178165276721, "volatility_20d_pct": 7339.925632858924, "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": "UAL_CFD.US",
      "selection_reason": "Sharp 1d selloff (-5.03%) with price well below MA50 (-13.94%) -> oversold setup for 2-10d rebound",
      "mean_reversion_score": 85
    },
    {
      "symbol": "LULU_CFD.US",
      "selection_reason": "Trading notably below MA50 (-11.54%) despite modest green day (+1.62%) -> potential snapback toward MA50",
      "mean_reversion_score": 70
    },
    {
      "symbol": "VST_CFD.US",
      "selection_reason": "Large 1d drop (-5.23%) with price below MA50 (-2.88%) -> short-term oversold mean-reversion candidate",
      "mean_reversion_score": 68
    },
    {
      "symbol": "MOS_CFD.US",
      "selection_reason": "Strong extension above MA50 (+19.52%) after up day (+3.39%) -> overbought mean-reversion (pullback) watch",
      "mean_reversion_score": 60
    },
    {
      "symbol": "META_CFD.US",
      "selection_reason": "Mild 1d pullback (-1.31%) with price near MA50 (+0.83%) -> candidate for quick reversion back upward if dip-buying resumes",
      "mean_reversion_score": 45
    }
  ],
  "rejected_common_reasons": [
    "Non-US listing in provided universe (UK symbols excluded for region=US scan)",
    "Sector concentration risk (e.g., avoiding both UAL and NCLH in the same run given similar travel/cyclical exposure)",
    "Insufficient fundamentals/liquidity/earnings-date data (unknown market cap, volume, and days-to-earnings -> cannot confirm constraints)",
    "Technicals not aligned to mean-reversion setup (e.g., already strongly extended without a clear reversal trigger, or too close to MA50 with weak signal)",
    "Data-quality flags: extreme/likely noisy 20d volatility values reduce confidence in signal stability"
  ]
}

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": "ADBE_CFD.US", "qty": 12.025494047380446, "avg_price": 249.47, "last_price": 239.86, "unrealized_pnl": -115.56499779532591, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "AMH_CFD.US", "qty": 0.0, "avg_price": 29.674999999999997, "last_price": 28.435000000000002, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "ARCAD_CFD.NL", "qty": 0.0, "avg_price": 28.6, "last_price": 30.0, "unrealized_pnl": 146.8531468531467, "opened_at": "2026-02-23T10:32:09.961595+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": 0.0, "avg_price": 94.325, "last_price": 108.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-27T18:23:55.960577+00:00"}, {"symbol": "CBG_CFD.UK", "qty": 8.748396127376648, "avg_price": 342.92, "last_price": 342.92, "unrealized_pnl": 0.0, "opened_at": "2026-03-20T10:26:40.341409+00:00"}, {"symbol": "CRWD_CFD.US", "qty": 0.0, "avg_price": 350.45000000000005, "last_price": 382.96500000000003, "unrealized_pnl": 0.0, "opened_at": "2026-02-23T18:14:12.978497+00:00"}, {"symbol": "CSGP_CFD.US", "qty": 63.51222610352493, "avg_price": 47.235, "last_price": 41.59, "unrealized_pnl": -358.526516354398, "opened_at": "2026-03-03T18:03:34.247734+00:00"}, {"symbol": "DSY_CFD.FR", "qty": 0.0, "avg_price": 17.881, "last_price": 17.45, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T09:30:55.514112+00:00"}, {"symbol": "ETSY_CFD.US", "qty": 0.0, "avg_price": 44.13, "last_price": 50.769999999999996, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 6.857142857142857, "avg_price": 437.5, "last_price": 360.2, "unrealized_pnl": -530.0571428571429, "opened_at": "2026-03-03T10:20:03.276878+00:00"}, {"symbol": "FBIN_CFD.US", "qty": 0.0, "avg_price": 50.974999999999994, "last_price": 54.185, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "FICO_CFD.US", "qty": 2.6609662855571625, "avg_price": 1127.4099999999999, "last_price": 1042.48, "unrealized_pnl": -225.99586663236937, "opened_at": "2026-03-14T18:06:47.909233+00:00"}, {"symbol": "FLO_CFD.US", "qty": 0.0, "avg_price": 9.875, "last_price": 9.885000000000002, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 0.0, "avg_price": 414.2, "last_price": 414.2, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "IWG_CFD.UK", "qty": 16.216216216216218, "avg_price": 185.0, "last_price": 172.2, "unrealized_pnl": -207.56756756756778, "opened_at": "2026-03-17T10:04:29.123574+00:00"}, {"symbol": "MLCO_CFD.US", "qty": 0.0, "avg_price": 5.51, "last_price": 6.06, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "OCDO_CFD.UK", "qty": 0.0, "avg_price": 204.3, "last_price": 204.3, "unrealized_pnl": 0.0, "opened_at": "2026-03-12T18:01:52.554929+00:00"}, {"symbol": "PAGE_CFD.UK", "qty": 0.0, "avg_price": 151.91, "last_price": 152.7, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "PAYC_CFD.US", "qty": 0.0, "avg_price": 121.22, "last_price": 134.24, "unrealized_pnl": 322.2240554363969, "opened_at": "2026-02-19T17:33:27.020111+00:00"}, {"symbol": "PSN_CFD.UK", "qty": 2.4691358024691357, "avg_price": 1215.0, "last_price": 1125.0, "unrealized_pnl": -222.2222222222222, "opened_at": "2026-03-12T18:01:52.554929+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 0.0, "avg_price": 424.3, "last_price": 424.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+00:00"}, {"symbol": "TMV_CFD.DE", "qty": 0.0, "avg_price": 4.781, "last_price": 4.467, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "TRN_CFD.UK", "qty": 0.0, "avg_price": 184.5, "last_price": 204.2, "unrealized_pnl": 0.0, "opened_at": "2026-03-05T10:27:11.178069+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 0.0, "avg_price": 92.35, "last_price": 92.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-25T17:57:28.313088+00:00"}, {"symbol": "ULTA_CFD.US", "qty": 5.605381165919282, "avg_price": 535.2, "last_price": 530.25, "unrealized_pnl": -27.746636771300704, "opened_at": "2026-03-15T18:15:23.812047+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 232.09999999999997, "last_price": 232.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-28T10:51:05.818250+00:00"}, {"symbol": "ZS_CFD.US", "qty": 18.778167250876315, "avg_price": 159.76, "last_price": 143.09, "unrealized_pnl": -313.03204807210795, "opened_at": "2026-02-21T17:32:49.140800+00:00"}], "candidates": [{"symbol": "UAL_CFD.US", "mean_reversion_score": 85, "selection_reason": "Sharp 1d selloff (-5.03%) with price well below MA50 (-13.94%) -> oversold setup for 2-10d rebound"}, {"symbol": "LULU_CFD.US", "mean_reversion_score": 70, "selection_reason": "Trading notably below MA50 (-11.54%) despite modest green day (+1.62%) -> potential snapback toward MA50"}, {"symbol": "VST_CFD.US", "mean_reversion_score": 68, "selection_reason": "Large 1d drop (-5.23%) with price below MA50 (-2.88%) -> short-term oversold mean-reversion candidate"}, {"symbol": "MOS_CFD.US", "mean_reversion_score": 60, "selection_reason": "Strong extension above MA50 (+19.52%) after up day (+3.39%) -> overbought mean-reversion (pullback) watch"}, {"symbol": "META_CFD.US", "mean_reversion_score": 45, "selection_reason": "Mild 1d pullback (-1.31%) with price near MA50 (+0.83%) -> candidate for quick reversion back upward if dip-buying resumes"}], "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": [],
    "hold": [
      {
        "reason": "Already at max_positions (10/10). No new risk/event data provided to justify rotation; maintain mean-reversion exposure and avoid churn.",
        "symbol": "ADBE_CFD.US"
      },
      {
        "reason": "Position is flat vs entry and no new signal/fundamental/news context is provided; avoid overtrading.",
        "symbol": "BYIT_CFD.UK"
      },
      {
        "reason": "Recently opened and currently flat; no new information suggesting a sell/replace improves expected mean-reversion outcome.",
        "symbol": "CBG_CFD.UK"
      },
      {
        "reason": "In drawdown, but without a defined stop/exit trigger or new adverse catalyst provided, keep the position to allow for mean reversion; avoid forced rotation.",
        "symbol": "CSGP_CFD.US"
      },
      {
        "reason": "Largest drawdown in the book, but no explicit risk event or invalidation signal provided; maintain and avoid capitulation-based churn.",
        "symbol": "EZJ_CFD.UK"
      },
      {
        "reason": "Moderate drawdown; no portfolio constraint breach or new negative catalyst supplied—hold rather than rotate.",
        "symbol": "FICO_CFD.US"
      },
      {
        "reason": "Down modestly; no new data indicating a superior swap-in from candidates given position limit and overtrading constraints.",
        "symbol": "IWG_CFD.UK"
      },
      {
        "reason": "Down modestly; keep exposure absent a clear improvement case versus candidates and to respect avoid_overtrading.",
        "symbol": "PSN_CFD.UK"
      },
      {
        "reason": "Near breakeven and consistent with mean-reversion holding behavior; no need to adjust.",
        "symbol": "ULTA_CFD.US"
      },
      {
        "reason": "In drawdown; without an explicit exit trigger or risk event, continue holding for mean reversion rather than rotating on limited information.",
        "symbol": "ZS_CFD.US"
      }
    ],
    "sell": []
  },
  "portfolio_rationale": "The portfolio is already at the strategy maximum of 10 active positions, so initiating any new buys (e.g., UAL/LULU/VST) would require sells. With no provided risk events, stop/exit rules, or comparative mean-reversion scores for current holdings, there is no clear, data-supported improvement from rotating. To comply with the strategy’s avoid_overtrading rule and action limits, we HOLD all existing positions and make no trades this run."
}

{
  "selected_stocks": [
    {
      "symbol": "UAL_CFD.US",
      "selection_reason": "Sharp 1d selloff (-5.03%) with price well below MA50 (-13.94%) -> oversold setup for 2-10d rebound",
      "mean_reversion_score": 85
    },
    {
      "symbol": "LULU_CFD.US",
      "selection_reason": "Trading notably below MA50 (-11.54%) despite modest green day (+1.62%) -> potential snapback toward MA50",
      "mean_reversion_score": 70
    },
    {
      "symbol": "VST_CFD.US",
      "selection_reason": "Large 1d drop (-5.23%) with price below MA50 (-2.88%) -> short-term oversold mean-reversion candidate",
      "mean_reversion_score": 68
    },
    {
      "symbol": "MOS_CFD.US",
      "selection_reason": "Strong extension above MA50 (+19.52%) after up day (+3.39%) -> overbought mean-reversion (pullback) watch",
      "mean_reversion_score": 60
    },
    {
      "symbol": "META_CFD.US",
      "selection_reason": "Mild 1d pullback (-1.31%) with price near MA50 (+0.83%) -> candidate for quick reversion back upward if dip-buying resumes",
      "mean_reversion_score": 45
    }
  ],
  "rejected_common_reasons": [
    "Non-US listing in provided universe (UK symbols excluded for region=US scan)",
    "Sector concentration risk (e.g., avoiding both UAL and NCLH in the same run given similar travel/cyclical exposure)",
    "Insufficient fundamentals/liquidity/earnings-date data (unknown market cap, volume, and days-to-earnings -> cannot confirm constraints)",
    "Technicals not aligned to mean-reversion setup (e.g., already strongly extended without a clear reversal trigger, or too close to MA50 with weak signal)",
    "Data-quality flags: extreme/likely noisy 20d volatility values reduce confidence in signal stability"
  ]
}