Strategy Zoo / S1138

PriceMomentum_V1138

REJECTEDmomentum

llmAdded regime gating to trade only in UPTREND and non-high-volatility, non-bubble regimes; strengthened entry to require trend momentum (sma_50_slope>0) and avoid buying near 52‑week highs; relaxed ret_20d threshold slightly and kept volume filter; improved exits with a tighter stop (-12%), a trend-following SMA cross exit (sma_20 < sma_50), and an emergency exit on extreme volatility (vol_pctile>0.95); introduced volatility-based position sizing (full size in low vol, reduced in high vol, cash in extreme spikes) and reduced base position to 0.8 to lower drawdown risk. | rejected: stage1: never enters a position

Fitness
—
Generation
52
Complexity
12
Created
2026-10-03

Lineage

Parents (1)
PriceMomentum_V0227S0227 · gen 11ARCHIVEDllm

logic of PriceMomentum_V0186 with risk overlay of PriceMomentum_V0160

Children (0)
None

Strategy Logic (pseudocode)

# PriceMomentum_V1138  [momentum]
require regime.trend in ['UPTREND']
require regime.volatility in ['LOW_VOLATILITY', 'MEDIUM_VOLATILITY']
require regime.bubble in ['NORMAL']
if flat and (ret_20d > 0.04 and rel_volume > 1.2 and sma_50_slope > 0.0 and dist_52w_high > 0.05):
    position = 0.8
if long and (ret_20d < -0.12 or sma_20 < sma_50 or vol_pctile > 0.95):
    position = 0.0  # exit to cash

Backtest Metrics

MetricTrainValidationHidden TestFull
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Volatility————
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Walk-Forward Years

year-by-year stability matters more than any single year
YearCAGRSharpeMax DDTrades
No walk-forward results

A robust strategy performs acceptably in most years rather than spectacularly in one — look for consistency across regimes, not a single outlier year.

Regime Performance

PeriodRegimeDaysAnn. ReturnSharpeExposure
No regime results

Trades (full period)

0 trades
EntryExitEntry PxExit PxReturnDays
No trades recorded