models/summary.json

{
  "target": "same-day NIFTY 50 close > same-day NIFTY 50 open after first five 1-minute bars",
  "model_name": "blend_extra_trees_tight_logit_overlay",
  "threshold": 0.425,
  "train_rows": 2221,
  "valid_rows": 405,
  "test_rows": 187,
  "train_start": "2015-01-09",
  "train_end": "2023-12-29",
  "valid_start": "2024-01-01",
  "valid_end": "2025-08-14",
  "test_start": "2025-08-18",
  "test_end": "2026-05-21",
  "validation_accuracy": 0.654320987654321,
  "test_accuracy": 0.6524064171122995,
  "baseline_test_accuracy": 0.5240641711229946,
  "validation_auc": 0.6623500611995106,
  "test_auc": 0.6563861499656042,
  "validation_log_loss": 0.6563017134616456,
  "test_log_loss": 0.6607799782446233,
  "test_brier": 0.2339533732973711,
  "feature_count": 219,
  "latest_input_date": "2026-05-21",
  "latest_first5_start": "2026-05-21 09:15:00",
  "latest_first5_end": "2026-05-21 09:19:00",
  "latest_prob_up": 0.4379885393062093,
  "latest_prediction": "UP",
  "latest_confidence": 0.5129885393062092
}