{
  "metadata": {
    "n_days": 19,
    "n_checkpoints": 475,
    "date_range": [
      "2026-03-03",
      "2026-03-30"
    ],
    "checkpoint_interval": "15min",
    "WARNING": "N=21 days \u2014 PRELIMINARY ONLY. Do not trade on this. Rerun at N=80+."
  },
  "raw_data_summary": {
    "total_obs": 475,
    "spread_regimes": {
      "normal": 403,
      "wide": 61,
      "very_wide": 6,
      "tight": 5
    },
    "flow_dirs": {
      "put_dominant": 298,
      "call_dominant": 93,
      "neutral": 84
    }
  }
}