{
  "index_name": "Market Efficiency Trend",
  "short_name": "Efficiency",
  "as_of": "2026-04-20",
  "description": "R-squared of the weekly one-parameter Prelec fit to active retail trades.",
  "value": 0.894807921668753,
  "ma4w": 0.9006500084533658,
  "ma13w": 0.9363213411074837,
  "ma52w": 0.9572377135047871,
  "z52w": -1.7233856348870025,
  "per_type_r2": {
    "bot": 0.887377413336541,
    "active_retail": 0.894807921668753,
    "sophisticated": 0.922096605704182,
    "casual": null,
    "one_shot": null
  },
  "rolling": {
    "mean_52w": 0.957237713504787,
    "sd_52w": 0.03622508542037828,
    "min_52w": 0.7974590917147859,
    "max_52w": 0.9923295067671414,
    "n_obs_52w": 52
  },
  "n_weeks_history": 173,
  "first_date": "2022-12-12",
  "generated_at": "2026-04-24T17:35:54+00:00",
  "source": "J:\\Research\\10. Prediction\\data\\blockchain\\paper4\\weekly_alpha_by_type.csv"
}