{
  "experiment_name": "pead_midcap_step4_longonly",
  "dataset_snapshot_id": "midcap-filtered",
  "description": "Step 4: Long-only. Disable short side to test if midcap short PEAD mean-reverts instead of drifting.",
  "base_config": "configs/backtest/defaults.json",
  "overrides": {
    "event_type_profiles": {
      "earnings_release": { "enabled": true, "direction_filter": "bullish_only" },
      "guidance_update": { "enabled": false },
      "management_change": { "enabled": false },
      "material_contract": { "enabled": false },
      "unknown": { "enabled": false },
      "other_material_event": { "enabled": false }
    },
    "signal": {
      "scoring_model": "pead",
      "pead_reaction_threshold": 0.07,
      "pead_volume_threshold": 1.5,
      "score_threshold": 0.5,
      "max_candidates_per_day": 8
    },
    "risk": {
      "max_positions": 8,
      "max_positions_per_sector": 8,
      "max_daily_new_risk_pct": 0.04,
      "cooldown_after_loss_streak": 0,
      "cooldown_days": 0,
      "veto_oneoff_penalty": 1.0,
      "veto_unknown_direction": false,
      "veto_bearish_direction": false
    }
  },
  "tags": ["pead", "7pct", "longonly", "midcap", "step4", "bullish"]
}