{
  "timestamp": "2026-04-15T14:19:56.107646-08:00",
  "signal_type": "context",
  "name": "0DTE Range Forecast",
  "latest_date": "2026-03-02",
  "atm_concentration": 0.4814,
  "prediction": {
    "expected_range_pct": 1.776,
    "range_z": 0.47,
    "conc_z": -0.77,
    "range_regime": "NORMAL",
    "opportunity_score": 0.5
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  "model": {
    "slope": -3.413915145701766,
    "intercept": 3.419334836668768,
    "train_n": 199,
    "test_n": 90,
    "test_rho": -0.6461785405605629,
    "test_p": 6.068858317881812e-12,
    "test_rmse": 0.489759391738263,
    "test_mae": 0.36342807750586353,
    "q_map": {
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      "1": 1.3499564570918987,
      "2": 1.0076329047259627,
      "3": 0.8439137477818581,
      "4": 0.6271013212427594
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    "train_range_std": 1.1622992901973916
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  "quintile_table": [
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      "conc_q": 0,
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      "n": 58
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    {
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      "median_range": 1.3462,
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    {
      "conc_q": 2,
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      "median_range": 0.9103,
      "n": 57
    },
    {
      "conc_q": 3,
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      "mean_range": 0.7673,
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      "n": 58
    },
    {
      "conc_q": 4,
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      "mean_range": 0.6666,
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    }
  ],
  "stats": {
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    "range_median": 0.91,
    "range_std": 1.011,
    "conc_mean": 0.6639,
    "conc_median": 0.7355,
    "n_days": 289
  }
}