{
  "run_date": "2026-03-22",
  "total_observations": 25400,
  "unique_dates": 409,
  "skipped_fomc": 13,
  "skipped_no_spx": 18,
  "measurements": {
    "m1_reach_rate": {
      "N": 25400,
      "reach_rate": 0.5653937007874016,
      "null_rate": 0.5569094488188976,
      "lift": 0.008484251968503997,
      "p_value": 1.0104701034985398e-06
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    "m2_growth": {
      "growing": {
        "n": 8282,
        "reach_rate": 0.6168799806809949,
        "null_rate": 0.6081260565080898
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      "new": {
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        "null_rate": 0.5939077751598788
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      "shrinking": {
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        "null_rate": 0.4163231027637807
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      "stable": {
        "n": 4627,
        "reach_rate": 0.6278366111951589,
        "null_rate": 0.6167062891722498
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      "p_growing_vs_rest": 1.1216137690894081e-30
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    "m3_direction": {
      "above": {
        "n": 12689,
        "reach_rate": 0.5495310899204034,
        "null_rate": 0.5522499802978958
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      "below": {
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        "null_rate": 0.5615608528046574
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      "diff": -0.03169776697519877,
      "p_value": 3.4771279163333765e-07
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    "m4_distance": {
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        "n": 5682,
        "reach_rate": 0.9560014079549455,
        "null_rate": 0.9555614220344949
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      "15-30": {
        "n": 7080,
        "reach_rate": 0.46370056497175144,
        "null_rate": 0.44427966101694916
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      "30-50": {
        "n": 7908,
        "reach_rate": 0.2035912999494183,
        "null_rate": 0.19600404653515427
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      "5-15": {
        "n": 4730,
        "reach_rate": 0.853276955602537,
        "null_rate": 0.85
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    },
    "m5_cluster_size": {
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        "reach_rate": 0.6558287946305771,
        "null_rate": 0.6439456455960829
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      "single": {
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        "null_rate": 0.37545787545787546
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      "small": {
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        "reach_rate": 0.31891248263544353,
        "null_rate": 0.32159158563206985
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      "p_large_vs_rest": 0.0
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    "m6_dte0_ratio": {
      "high_0dte": {
        "n": 12700,
        "reach_rate": 0.6341732283464567,
        "null_rate": 0.6251968503937008
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      "low_0dte": {
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        "reach_rate": 0.49661417322834644,
        "null_rate": 0.48862204724409447
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      "diff": 0.13755905511811028,
      "p_value": 2.356782164449877e-108,
      "split_value": 0.40273391673536874
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    "m7_null_permutation": {
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      "null_reach_rate": 0.5569094488188976,
      "observed_lift": 0.008484251968503997,
      "perm_p_value": 0.0,
      "perm_lift_mean": -5.590551181102077e-06,
      "perm_lift_std": 0.0018591849447909467,
      "n_permutations": 1000
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    "m8_gex_regime": {
      "positive_gex": {
        "n": 19863,
        "reach_rate": 0.6033831747470171,
        "null_rate": 0.5953028243467754
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      "negative_gex": {
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        "reach_rate": 0.42911323821564024,
        "null_rate": 0.419180061405093
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      "diff": 0.17426993653137685,
      "p_value": 2.1300094792424247e-118
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    "m9_rvol": {
      "high_rvol (>=1)": {
        "n": 18969,
        "reach_rate": 0.5728820707470083,
        "null_rate": 0.5626284991301598
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      "low_rvol (<1)": {
        "n": 6431,
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        "null_rate": 0.540040429171202
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      "diff": 0.02957620851718401,
      "p_value": 3.5512966369245525e-05,
      "split_value": 1.0
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    "m10_buy_pct": {
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        "reach_rate": 0.5713520544800673,
        "null_rate": 0.5606014232152422
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      "sell_dom (<0.5)": {
        "n": 11916,
        "reach_rate": 0.5618496139644176,
        "null_rate": 0.5553877139979859
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      "diff": 0.009502440515649746,
      "p_value": 0.13002649079786513,
      "split_value": 0.5
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    "m11_vix": {
      "high_vix (>=20)": {
        "n": 5956,
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        "null_rate": 0.5983042310275353
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      "low_vix (<20)": {
        "n": 19444,
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        "null_rate": 0.5442295823904546
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      "diff": 0.0634986748464258,
      "p_value": 5.169433032176763e-18,
      "split_value": 20.0
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    "m12_gap": {
      "gap_up": {
        "n": 15557,
        "reach_rate": 0.5487561869254998,
        "null_rate": 0.5391463649803947
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      "gap_down_or_flat": {
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        "reach_rate": 0.5916895255511531,
        "null_rate": 0.5849842527684649
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      "diff": -0.042933338625653295,
      "p_value": 1.7580372319508545e-11
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    "m13_dow": {
      "Mon": {
        "n": 4931,
        "reach_rate": 0.5680389373352261,
        "null_rate": 0.5591157980125735
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      "Tue": {
        "n": 5344,
        "reach_rate": 0.5870134730538922,
        "null_rate": 0.5750374251497006
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      "Wed": {
        "n": 4739,
        "reach_rate": 0.5494830132939439,
        "null_rate": 0.5397763241190124
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      "Thu": {
        "n": 5007,
        "reach_rate": 0.5616137407629319,
        "null_rate": 0.5555222688236469
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      "Fri": {
        "n": 5379,
        "reach_rate": 0.5590258412344302,
        "null_rate": 0.5532626882320134
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    },
    "m14_tod": {
      "afternoon": {
        "n": 8035,
        "reach_rate": 0.4609831985065339,
        "null_rate": 0.45892968263845674
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      "midday": {
        "n": 11600,
        "reach_rate": 0.5867241379310345,
        "null_rate": 0.5751724137931035
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      "morning": {
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        "reach_rate": 0.6679965307892455,
        "null_rate": 0.6567215958369471
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    "m15_best_2factor": {
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        "n": 1327,
        "reach_rate": 0.7294649585531273,
        "null_rate": 0.7034664657121327,
        "lift": 0.025998492840994647,
        "p_value": 3.150605750371405e-35
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      "top5": [
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          "lift": 0.025998492840994647,
          "p_value": 3.150605750371405e-35
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        {
          "factors": "buy_dom + high_vix",
          "n": 3230,
          "reach_rate": 0.6263157894736842,
          "null_rate": 0.6069659442724458,
          "lift": 0.01934984520123839,
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        {
          "factors": "high_vix + gap_up",
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          "lift": 0.017812887236679065,
          "p_value": 5.602203893312046e-08
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        {
          "factors": "positive_gex + high_vix",
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          "null_rate": 0.6369453924914675,
          "lift": 0.017491467576791875,
          "p_value": 1.7605321047468833e-30
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        {
          "factors": "low_rvol + high_vix",
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          "null_rate": 0.5899315738025416,
          "lift": 0.017106549364613866,
          "p_value": 0.006091337432214689
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    },
    "m16_exclusivity": {
      "exclusive": {
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        "reach_rate": 0.9053827751196172,
        "null_rate": 0.9003588516746411
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      "multiple_clusters": {
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        "null_rate": 0.3884096244131455
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      "diff": 0.5067912258238425,
      "p_value": 0.0
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    "m17_path_gamma": {
      "blocked_by_neg_gamma": {
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        "reach_rate": 0.41025193460173387,
        "null_rate": 0.39925525106184906
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      "clear_path": {
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        "null_rate": 0.8868257640326312
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      "p_value": 0.0,
      "correlation": {
        "corr": 0.2417096071434487,
        "p": 1.880719371183514e-230
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    },
    "m18_spot_gamma": {
      "big_spot_gamma": {
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        "reach_rate": 0.6153975363941769,
        "null_rate": 0.6059070548712207
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      "little_spot_gamma": {
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        "null_rate": 0.44084880636604773
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      "diff": 0.16844793427216104,
      "p_value": 3.69090076110781e-135
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    "m19_gamma_gradient": {
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      "low_gradient": {
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      "diff": 0.330079246583209,
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      "split_value": 1.2890113864938797
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    "m20_momentum": {
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      "away": {
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      "diff": 0.025950509266606803,
      "p_value": 3.840003175658063e-05
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    "m21_isolation": {
      "crowded (high ratio)": {
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        "reach_rate": 0.38881889763779526,
        "null_rate": 0.38614173228346454
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      "isolated (low ratio)": {
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      "isolated_vs_crowded": {
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        "crowded": {
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        "diff": 0.3511864350179805,
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  },
  "tier_breakdown": {
    "5M+": {
      "n": 5989,
      "reach_rate": 0.3174152613124061
    },
    "30M+": {
      "n": 5999,
      "reach_rate": 0.43107184530755127
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    "100M+": {
      "n": 13412,
      "reach_rate": 0.7362063823441694
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  }
}