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Feature Iteration Run #336: zz_sylvain

Status: completed | Started: 2026-07-16 12:55:45 | Ended: 2026-07-16 13:03:26

⭐ Best Accepted Iteration

Iteration 1: k_volume / k_volume.rolling(20).mean() * (k_close - k_low) …

baseline PF: 1.254 → modified PF: 1.608 | Cohen's d: 0.000 | p-value: 1.000

📊 Iterations

Iter Y Label Model Warm Proxy Parent FS Feature DSL DSL Valid Baseline PF Modified PF Scalar Score t-stat p-value Cohen's d Result Reason
1 — gradient_boosting — — — k_loop_iter_1_69d01c k_volume / k_volume.rolling(20).mean() … ✅ 1.254 1.608 2.1851 0.000 1.000 0.000 ✅ ACCEPT accepted

📄 Report Markdown

# AUTOLOOP: zz_sylvain (1 iterations)

> **Phase**: Y4.7 Option B (DSL → Python code → FeatureSet candidate)
> **Target indicator**: zz_sylvain
> **Base feature_set_id**: 7
> **Claim**: Adding a feature improves Sharpe by 10%
> **Objective mode**: scalarize
> **Metrics**: ['profit_factor', 'sharpe_ratio', 'win_rate', 'max_drawdown', 'test_accuracy']
> **Total duration**: 460.95s
> **Total accepted**: 1
> **Total rejected**: 0

## Iterations 詳情

### Iteration 1
- DSL: `k_volume / k_volume.rolling(20).mean() * (k_close - k_low) / (k_high - k_low)` (feature=k_loop_iter_1_69d01c)
- DSL valid: True
- FeatureSet candidate id: 301
- baseline PF: 1.254 → modified PF: 1.608
- t_stat: 0.000, p_value: 1.000, cohens_d: 0.000
- scalar_score: 2.1851
- accepted: True, reason: accepted

**Metrics summary:**
  - profit_factor: baseline=1.254, modified=1.608, diff=0.355
  - sharpe_ratio: baseline=7.362, modified=15.653, diff=8.292
  - win_rate: baseline=0.436, modified=0.489, diff=0.053
  - max_drawdown: baseline=0.084, modified=0.053, diff=-0.031
  - test_accuracy: baseline=0.972, modified=0.971, diff=-0.001

📊 Multi-Objective Metrics

Iteration 1: k_loop_iter_1_69d01c

Y Label: — | Parent FS: #—

Objective mode: scalarize

Scalar score: 2.1851

MetricBaselineModifiedDiff
win_rate 0.436 0.489 0.053
max_drawdown 0.084 0.053 -0.031
sharpe_ratio 7.362 15.653 8.292
profit_factor 1.254 1.608 0.355
test_accuracy 0.972 0.971 -0.001

📁 Offline Report

Markdown backup: reports/autoloop/zz_sylvain/20260716_210326.md