{
  "experiment_name": "exec_opt_b_tight",
  "dataset_snapshot_id": "cd664594-6a6c-4e16-afef-9104ce900f33",
  "description": "Execution opt B: tighter stops (2.5 ATR), quick targets (1.5 ATR), tight trailing (3%), short hold (10d). Cut losses fast.",
  "base_config": "configs/backtest/defaults.json",
  "overrides": {
    "signal": { "score_threshold": 0.5 },
    "risk": { "stop_atr_multiplier": 2.5 },
    "execution": {
      "target_atr_multiplier": 1.5,
      "trailing_model": "pct_3",
      "max_holding_days": 10
    }
  },
  "tags": ["exec-opt", "tight"]
}