{
  "holdout": "d_1914..d_1941",
  "n_series": 30490,
  "horizon_days": 28,
  "lead_time_days": 7,
  "service_level": 0.95,
  "policies": {
    "naive": {
      "definition": "reorder point = trailing 28-day historical mean x lead time, no safety stock",
      "stockout_rate_pct": 15.522068125380686,
      "avg_holding_units": 2.9283134363486596
    },
    "recommended": {
      "definition": "quantile-forecast reorder point with z*std*sqrt(lead) safety stock",
      "stockout_rate_pct": 12.424799700135877,
      "avg_holding_units": 4.4583573602660795
    }
  }
}