Arena run #237
meanrev-v1 • amazon • amazon/nova-premier-v1 • EU • success
Run status
as_of: 2026-02-22T09:32:59.506254+00:00
started_at: 2026-02-22T09:39:47.648905+00:00
finished_at: 2026-02-22T09:40:05.888459+00:00
duration_ms: 18238
Inputs
{
"dry_run": false,
"selected": [
{
"symbol": "UKW_CFD.UK",
"selection_reason": "Strong negative 1D move with significant distance from MA50/MA200",
"mean_reversion_score": 78
},
{
"symbol": "LIO_CFD.UK",
"selection_reason": "Moderate negative distance from MA200 with low 1D volatility",
"mean_reversion_score": 65
},
{
"symbol": "ATG_CFD.UK",
"selection_reason": "Negative MA distances with moderate volatility",
"mean_reversion_score": 62
},
{
"symbol": "EZJ_CFD.UK",
"selection_reason": "Stable price near MAs with low volatility",
"mean_reversion_score": 58
},
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "Sharp 1D decline with substantial MA deviation",
"mean_reversion_score": 72
}
],
"universe_symbols": [
"UKW_CFD.UK",
"FUTR_CFD.UK",
"BIG_CFD.FR",
"LIO_CFD.UK",
"AMG_CFD.NL",
"ATG_CFD.UK",
"EZJ_CFD.UK",
"BYIT_CFD.UK",
"STJ_CFD.UK",
"WKP_CFD.UK",
"PZC_CFD.UK",
"FCNCA_CFD.US",
"OCDO_CFD.UK",
"BTRW_CFD.UK",
"PNN_CFD.UK",
"HMSO_CFD.UK",
"MSLH_CFD.UK",
"PAGE_CFD.UK",
"ESTC_CFD.US",
"RMV_CFD.UK",
"EXM_CFD.BE",
"MPT_CFD.US",
"ZS_CFD.US",
"IPR_CFD.PT",
"NET_CFD.US",
"GRI_CFD.UK",
"GMM_CFD.DE",
"TTEK_CFD.US",
"THG_CFD.UK",
"FND_CFD.US",
"AIXA_CFD.DE",
"DOM_CFD.UK",
"BXP_CFD.US",
"LYV_CFD.US",
"MCG_CFD.UK",
"LOPE_CFD.US",
"MKS_CFD.UK",
"ETSY_CFD.US",
"BAMNB_CFD.NL",
"OVH_CFD.FR",
"HFG_CFD.DE",
"TFF_CFD.FR",
"RS1_CFD.UK",
"SGL_CFD.DE",
"LIGHT_CFD.NL",
"VBK_CFD.DE",
"TKA_CFD.DE",
"MNDI_CFD.UK",
"IGG_CFD.UK",
"AAF_CFD.UK"
]
}Outputs
{
"actions": {
"buy": [
{
"reason": "High mean-reversion score (72) and sharp decline",
"symbol": "PAGE_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "No significant price change",
"symbol": "BIG_CFD.FR"
},
{
"reason": "No significant price change",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Already closed position",
"symbol": "DSY_CFD.FR"
},
{
"reason": "Already closed position",
"symbol": "ERA_CFD.FR"
},
{
"reason": "Already closed position",
"symbol": "ESTC_CFD.US"
},
{
"reason": "Low volatility and stable price",
"symbol": "EZJ_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Already closed position",
"symbol": "IPO_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "LIO_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "RMV_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "UKW_CFD.UK"
},
{
"reason": "Positive movement but below sell threshold",
"symbol": "UMG_CFD.NL"
},
{
"reason": "Already closed position",
"symbol": "WPP_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "ZS_CFD.UK"
}
],
"sell": [
{
"reason": "Profit-taking after +8.5% move from entry",
"symbol": "SGE_CFD.UK"
}
]
},
"portfolio_rationale": "Maintaining core portfolio while taking profit on SGE_CFD.UK. Adding PAGE_CFD.UK for mean-reversion opportunity while respecting max 2 BUY/SELL limits"
}Prompts & responses
#461 • openrouter • amazon/nova-premier-v1 • 2026-02-22T09:39:47.711707+00:00
System prompt
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).
User prompt
{"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": "UKW_CFD.UK", "name": "GREENCOAT UK WIND PLC", "sector": "", "last_price": 98.15, "change_1d_pct": -2.163078149920239, "distance_from_ma200_pct": -12.46829595436757, "distance_from_ma50_pct": -6.845149398930528, "volatility_20d_pct": 32.62462101640031, "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": "FUTR_CFD.UK", "name": "FUTURE PLC", "sector": "", "last_price": 422.0, "change_1d_pct": -13.70143149284253, "distance_from_ma200_pct": -38.122509366851766, "distance_from_ma50_pct": -25.139370269544393, "volatility_20d_pct": 146.49494054552733, "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": 0.473, "change_1d_pct": -40.65244667503137, "distance_from_ma200_pct": -57.481044006670004, "distance_from_ma50_pct": -45.84258856396987, "volatility_20d_pct": 245.7660340614924, "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": "LIO_CFD.UK", "name": "LIONTRUST ASSET MANAGEMENT", "sector": "", "last_price": 259.0, "change_1d_pct": 0.19342359767891004, "distance_from_ma200_pct": -20.670350849922237, "distance_from_ma50_pct": -0.35817197640911624, "volatility_20d_pct": 128.03912578370827, "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": 36.42, "change_1d_pct": -1.3542795232936111, "distance_from_ma200_pct": 34.93879125298744, "distance_from_ma50_pct": 8.704217078918909, "volatility_20d_pct": 81.71810340870856, "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": "EZJ_CFD.UK", "name": "EASYJET PLC", "sector": "", "last_price": 487.6, "change_1d_pct": -1.6142050040355072, "distance_from_ma200_pct": -2.529174031700998, "distance_from_ma50_pct": -0.5931384801188377, "volatility_20d_pct": 77.17417093400987, "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": "STJ_CFD.UK", "name": "", "sector": "", "last_price": 1315.5, "change_1d_pct": -13.567674113009199, "distance_from_ma200_pct": 8.317499463970401, "distance_from_ma50_pct": -4.3458192033457355, "volatility_20d_pct": 123.71728088179634, "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": "PZC_CFD.UK", "name": "PZ CUSSONS PLC", "sector": "", "last_price": 88.8, "change_1d_pct": -1.442841287458374, "distance_from_ma200_pct": 17.468164209381708, "distance_from_ma50_pct": 17.734408145948244, "volatility_20d_pct": 83.4578314576364, "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": "FCNCA_CFD.US", "name": "First Citizens BancShares Inc", "sector": "", "last_price": 2062.21, "change_1d_pct": 2.9771445977459177, "distance_from_ma200_pct": 5.907751416577356, "distance_from_ma50_pct": -2.1858617088771015, "volatility_20d_pct": 72.5049794337677, "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": "OCDO_CFD.UK", "name": "OCADO GROUP PLC", "sector": "", "last_price": 221.9, "change_1d_pct": -21.312056737588648, "distance_from_ma200_pct": -14.06664037160078, "distance_from_ma50_pct": -3.1767959417158487, "volatility_20d_pct": 240.9598068877464, "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": "BTRW_CFD.UK", "name": "Barratt Redrow Plc", "sector": "", "last_price": 388.0, "change_1d_pct": 2.2397891963109373, "distance_from_ma200_pct": -2.8590849601202617, "distance_from_ma50_pct": 2.260106487560365, "volatility_20d_pct": 106.15413330134574, "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": "PNN_CFD.UK", "name": "PENNON GROUP PLC", "sector": "", "last_price": 555.5, "change_1d_pct": 7.728110152235046, "distance_from_ma200_pct": 15.15330418465657, "distance_from_ma50_pct": 10.049118953291236, "volatility_20d_pct": 59.72600720990832, "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": "HMSO_CFD.UK", "name": "", "sector": "", "last_price": 355.4, "change_1d_pct": 14.129736673089276, "distance_from_ma200_pct": 22.516025502913806, "distance_from_ma50_pct": 10.006914897239172, "volatility_20d_pct": 87.54938293511039, "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": "MSLH_CFD.UK", "name": "", "sector": "", "last_price": 182.32, "change_1d_pct": 0.8407079646017612, "distance_from_ma200_pct": -17.111863069088763, "distance_from_ma50_pct": 6.139091576985178, "volatility_20d_pct": 102.4204512350097, "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": 209.6, "change_1d_pct": -10.960067969413767, "distance_from_ma200_pct": -19.313052268665963, "distance_from_ma50_pct": -8.41066281665177, "volatility_20d_pct": 112.6882126676479, "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": "ESTC_CFD.US", "name": "Elastic NV", "sector": "", "last_price": 59.09, "change_1d_pct": -1.2203276496155047, "distance_from_ma200_pct": -27.141220757538953, "distance_from_ma50_pct": -16.549448935437038, "volatility_20d_pct": 109.99815234579803, "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": "RMV_CFD.UK", "name": "RIGHTMOVE PLC", "sector": "", "last_price": 431.4, "change_1d_pct": -14.810426540284361, "distance_from_ma200_pct": -37.284210035093366, "distance_from_ma50_pct": -17.526388114623416, "volatility_20d_pct": 137.79982108268825, "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": "EXM_CFD.BE", "name": "EXMAR NV", "sector": "", "last_price": 10.16, "change_1d_pct": 3.1472081218274273, "distance_from_ma200_pct": -8.5278841401216, "distance_from_ma50_pct": 0.656845358986291, "volatility_20d_pct": 89.98945159197974, "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": "MPT_CFD.US", "name": "", "sector": "", "last_price": 5.75, "change_1d_pct": 5.893186003683248, "distance_from_ma200_pct": 18.174157880674912, "distance_from_ma50_pct": 9.59478519422101, "volatility_20d_pct": 129.59427042612668, "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": "ZS_CFD.US", "name": "Zscaler Inc", "sector": "", "last_price": 162.26, "change_1d_pct": -5.349122090649249, "distance_from_ma200_pct": -39.45029856906272, "distance_from_ma50_pct": -22.410635471527772, "volatility_20d_pct": 108.40428222531867, "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": 0.198, "change_1d_pct": 3.125, "distance_from_ma200_pct": 30.576713819368862, "distance_from_ma50_pct": -1.1680143755615324, "volatility_20d_pct": 421.9087433253912, "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": "NET_CFD.US", "name": "", "sector": "", "last_price": 179.6, "change_1d_pct": -6.248368742496213, "distance_from_ma200_pct": -8.332153033243628, "distance_from_ma50_pct": -5.270264568125249, "volatility_20d_pct": 166.25059202681575, "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": "GMM_CFD.DE", "name": "", "sector": "", "last_price": 7.5600000000000005, "change_1d_pct": 0.8000000000000007, "distance_from_ma200_pct": 13.48412010402711, "distance_from_ma50_pct": 16.356741149346043, "volatility_20d_pct": 188.43585385392208, "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": "TTEK_CFD.US", "name": "", "sector": "", "last_price": 36.79, "change_1d_pct": -1.2614063338700965, "distance_from_ma200_pct": 3.6821391381052226, "distance_from_ma50_pct": 1.3057677374586296, "volatility_20d_pct": 82.36393725038043, "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": "THG_CFD.UK", "name": "THG PLC", "sector": "", "last_price": 35.48, "change_1d_pct": -20.090090090090097, "distance_from_ma200_pct": 4.031971945380275, "distance_from_ma50_pct": -18.256005234564732, "volatility_20d_pct": 150.3458448856807, "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": "FND_CFD.US", "name": "", "sector": "", "last_price": 69.88, "change_1d_pct": 2.35828328694887, "distance_from_ma200_pct": -4.505122532172123, "distance_from_ma50_pct": 3.623255027685257, "volatility_20d_pct": 101.95380507638971, "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": "AIXA_CFD.DE", "name": "Aixtron AG NA", "sector": "", "last_price": 23.33, "change_1d_pct": -0.08565310492506528, "distance_from_ma200_pct": 47.941423313171306, "distance_from_ma50_pct": 17.883414162380994, "volatility_20d_pct": 94.4406414757918, "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": "DOM_CFD.UK", "name": "DOMINO'S PIZZA GROUP PLC", "sector": "", "last_price": 202.0, "change_1d_pct": 8.58463688652369, "distance_from_ma200_pct": -7.069225606016771, "distance_from_ma50_pct": 12.253653245130858, "volatility_20d_pct": 71.7523831897994, "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": "BXP_CFD.US", "name": "", "sector": "", "last_price": 61.61, "change_1d_pct": 0.917280917280916, "distance_from_ma200_pct": -11.217363987192009, "distance_from_ma50_pct": -7.101930036188165, "volatility_20d_pct": 61.666629110810476, "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": "LYV_CFD.US", "name": "", "sector": "", "last_price": 165.05, "change_1d_pct": 4.820271815064148, "distance_from_ma200_pct": 10.90366835469152, "distance_from_ma50_pct": 13.405561098147857, "volatility_20d_pct": 72.00466748427584, "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": "", "sector": "", "last_price": 23.34, "change_1d_pct": -10.437452033768224, "distance_from_ma200_pct": -15.963814753139205, "distance_from_ma50_pct": -0.07192766132346762, "volatility_20d_pct": 137.63902050046556, "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": "LOPE_CFD.US", "name": "", "sector": "", "last_price": 158.85, "change_1d_pct": -1.3292751102553013, "distance_from_ma200_pct": -14.042719442687313, "distance_from_ma50_pct": -5.7488177810477215, "volatility_20d_pct": 75.0822395888559, "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": "MKS_CFD.UK", "name": "MARKS & SPENCER GROUP PLC", "sector": "", "last_price": 402.7, "change_1d_pct": 11.181667586968524, "distance_from_ma200_pct": 11.557658785096358, "distance_from_ma50_pct": 15.11180451974623, "volatility_20d_pct": 99.86569172703864, "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": "ETSY_CFD.US", "name": "Etsy, Inc.", "sector": "", "last_price": 52.87, "change_1d_pct": 18.250950570342205, "distance_from_ma200_pct": -9.174227607289776, "distance_from_ma50_pct": -4.950074968448536, "volatility_20d_pct": 122.55733112018908, "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": "BAMNB_CFD.NL", "name": "Royal BAM Group NV", "sector": "", "last_price": 9.785, "change_1d_pct": 0.3075345976422339, "distance_from_ma200_pct": 41.52034942581935, "distance_from_ma50_pct": 15.025626557577464, "volatility_20d_pct": 148.35954258523313, "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": "OVH_CFD.FR", "name": "", "sector": "", "last_price": 9.165, "change_1d_pct": 2.402234636871503, "distance_from_ma200_pct": -10.265517138405045, "distance_from_ma50_pct": 9.222086100133954, "volatility_20d_pct": 88.51993782807467, "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": 5.026, "change_1d_pct": -0.0198925800676375, "distance_from_ma200_pct": -32.5860932326551, "distance_from_ma50_pct": -11.190743764268507, "volatility_20d_pct": 123.17735341231453, "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": "TFF_CFD.FR", "name": "", "sector": "", "last_price": 18.2, "change_1d_pct": 7.058823529411762, "distance_from_ma200_pct": -4.619432847233096, "distance_from_ma50_pct": 2.10401594169074, "volatility_20d_pct": 84.68971432641365, "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": "RS1_CFD.UK", "name": "", "sector": "", "last_price": 733.5, "change_1d_pct": 25.384615384615383, "distance_from_ma200_pct": 27.719246802948703, "distance_from_ma50_pct": 25.132468113824658, "volatility_20d_pct": 102.39099316712235, "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": "SGL_CFD.DE", "name": "", "sector": "", "last_price": 4.327, "change_1d_pct": -1.2325952978772037, "distance_from_ma200_pct": 25.99603696310824, "distance_from_ma50_pct": 17.071243817707593, "volatility_20d_pct": 69.36439040177764, "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": "LIGHT_CFD.NL", "name": "", "sector": "", "last_price": 20.6, "change_1d_pct": 3.4136546184738936, "distance_from_ma200_pct": -4.499864399079301, "distance_from_ma50_pct": 0.24916296815387096, "volatility_20d_pct": 100.13797528661827, "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": "VBK_CFD.DE", "name": "", "sector": "", "last_price": 24.359, "change_1d_pct": -1.3805668016194206, "distance_from_ma200_pct": 62.97984346334342, "distance_from_ma50_pct": 6.556652758907, "volatility_20d_pct": 107.97155160750738, "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": "TKA_CFD.DE", "name": "", "sector": "", "last_price": 11.44, "change_1d_pct": 4.474885844748866, "distance_from_ma200_pct": 14.978398835341178, "distance_from_ma50_pct": 10.325672899810012, "volatility_20d_pct": 97.41389372392986, "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": "MNDI_CFD.UK", "name": "", "sector": "", "last_price": 939.6, "change_1d_pct": 9.817671809256655, "distance_from_ma200_pct": -6.625801707825607, "distance_from_ma50_pct": 4.970291932704618, "volatility_20d_pct": 90.09877279472504, "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": "IGG_CFD.UK", "name": "", "sector": "", "last_price": 1372.0, "change_1d_pct": 11.81744091279544, "distance_from_ma200_pct": 25.343736010743754, "distance_from_ma50_pct": 15.973880518163174, "volatility_20d_pct": 82.27265742988861, "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": "AAF_CFD.UK", "name": "AIRTEL AFRICA PLC", "sector": "", "last_price": 353.8, "change_1d_pct": 7.277137659187383, "distance_from_ma200_pct": 40.183323969288054, "distance_from_ma50_pct": 3.356002710977135, "volatility_20d_pct": 77.24935932192999, "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"]}}Output JSON
{
"selected_stocks": [
{
"symbol": "UKW_CFD.UK",
"selection_reason": "Strong negative 1D move with significant distance from MA50/MA200",
"mean_reversion_score": 78
},
{
"symbol": "LIO_CFD.UK",
"selection_reason": "Moderate negative distance from MA200 with low 1D volatility",
"mean_reversion_score": 65
},
{
"symbol": "ATG_CFD.UK",
"selection_reason": "Negative MA distances with moderate volatility",
"mean_reversion_score": 62
},
{
"symbol": "EZJ_CFD.UK",
"selection_reason": "Stable price near MAs with low volatility",
"mean_reversion_score": 58
},
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "Sharp 1D decline with substantial MA deviation",
"mean_reversion_score": 72
}
],
"rejected_common_reasons": [
"Extreme volatility >150%",
"Price too far above MAs",
"Missing technical indicators"
]
}#462 • openrouter • amazon/nova-premier-v1 • 2026-02-22T09:40:00.355678+00:00
System prompt
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.
User prompt
{"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": "BIG_CFD.FR", "qty": 6622.516556291391, "avg_price": 0.453, "last_price": 0.453, "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": "2026-02-16T09:30:55.514112+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": 61.364999999999995, "last_price": 58.085, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T17:33:34.647633+00:00"}, {"symbol": "EZJ_CFD.UK", "qty": 6.328446366417045, "avg_price": 474.05, "last_price": 474.05, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "FUTR_CFD.UK", "qty": 14.977533699450824, "avg_price": 400.6, "last_price": 400.6, "unrealized_pnl": 0.0, "opened_at": "2026-02-18T09:36:37.284518+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": "LIO_CFD.UK", "qty": 12.0, "avg_price": 250.0, "last_price": 250.0, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T09:33:26.900894+00:00"}, {"symbol": "RMV_CFD.UK", "qty": 7.070469007777516, "avg_price": 424.3, "last_price": 424.3, "unrealized_pnl": 0.0, "opened_at": "2026-02-19T00:47:27.070066+00:00"}, {"symbol": "SGE_CFD.UK", "qty": 3.771687201408097, "avg_price": 795.4, "last_price": 813.4, "unrealized_pnl": 67.89036962534574, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "UKW_CFD.UK", "qty": 32.48511099079589, "avg_price": 92.35, "last_price": 92.35, "unrealized_pnl": 0.0, "opened_at": "2026-02-20T09:33:44.817899+00:00"}, {"symbol": "UMG_CFD.NL", "qty": 157.19151165837044, "avg_price": 19.085, "last_price": 19.685, "unrealized_pnl": 94.31490699502193, "opened_at": "2026-02-19T09:33:49.074031+00:00"}, {"symbol": "WPP_CFD.UK", "qty": 0.0, "avg_price": 272.0, "last_price": 262.5, "unrealized_pnl": 0.0, "opened_at": "2026-02-16T17:30:52.485845+00:00"}, {"symbol": "ZS_CFD.US", "qty": 18.778167250876315, "avg_price": 159.76, "last_price": 159.76, "unrealized_pnl": 0.0, "opened_at": "2026-02-21T17:32:49.140800+00:00"}], "candidates": [{"symbol": "UKW_CFD.UK", "mean_reversion_score": 78, "selection_reason": "Strong negative 1D move with significant distance from MA50/MA200"}, {"symbol": "LIO_CFD.UK", "mean_reversion_score": 65, "selection_reason": "Moderate negative distance from MA200 with low 1D volatility"}, {"symbol": "ATG_CFD.UK", "mean_reversion_score": 62, "selection_reason": "Negative MA distances with moderate volatility"}, {"symbol": "EZJ_CFD.UK", "mean_reversion_score": 58, "selection_reason": "Stable price near MAs with low volatility"}, {"symbol": "PAGE_CFD.UK", "mean_reversion_score": 72, "selection_reason": "Sharp 1D decline with substantial MA deviation"}], "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"}}Output JSON
{
"actions": {
"buy": [
{
"reason": "High mean-reversion score (72) and sharp decline",
"symbol": "PAGE_CFD.UK",
"position_size": 3000
}
],
"hold": [
{
"reason": "No significant price change",
"symbol": "BIG_CFD.FR"
},
{
"reason": "No significant price change",
"symbol": "BYIT_CFD.UK"
},
{
"reason": "Already closed position",
"symbol": "DSY_CFD.FR"
},
{
"reason": "Already closed position",
"symbol": "ERA_CFD.FR"
},
{
"reason": "Already closed position",
"symbol": "ESTC_CFD.US"
},
{
"reason": "Low volatility and stable price",
"symbol": "EZJ_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "FUTR_CFD.UK"
},
{
"reason": "Already closed position",
"symbol": "IPO_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "LIO_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "RMV_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "UKW_CFD.UK"
},
{
"reason": "Positive movement but below sell threshold",
"symbol": "UMG_CFD.NL"
},
{
"reason": "Already closed position",
"symbol": "WPP_CFD.UK"
},
{
"reason": "No significant price change",
"symbol": "ZS_CFD.UK"
}
],
"sell": [
{
"reason": "Profit-taking after +8.5% move from entry",
"symbol": "SGE_CFD.UK"
}
]
},
"portfolio_rationale": "Maintaining core portfolio while taking profit on SGE_CFD.UK. Adding PAGE_CFD.UK for mean-reversion opportunity while respecting max 2 BUY/SELL limits"
}Selection logs
#229 • stage1 • 2026-02-22T09:40:00.350005+00:00
{
"selected_stocks": [
{
"symbol": "UKW_CFD.UK",
"selection_reason": "Strong negative 1D move with significant distance from MA50/MA200",
"mean_reversion_score": 78
},
{
"symbol": "LIO_CFD.UK",
"selection_reason": "Moderate negative distance from MA200 with low 1D volatility",
"mean_reversion_score": 65
},
{
"symbol": "ATG_CFD.UK",
"selection_reason": "Negative MA distances with moderate volatility",
"mean_reversion_score": 62
},
{
"symbol": "EZJ_CFD.UK",
"selection_reason": "Stable price near MAs with low volatility",
"mean_reversion_score": 58
},
{
"symbol": "PAGE_CFD.UK",
"selection_reason": "Sharp 1D decline with substantial MA deviation",
"mean_reversion_score": 72
}
],
"rejected_common_reasons": [
"Extreme volatility >150%",
"Price too far above MAs",
"Missing technical indicators"
]
}