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      "normal": {
        "pct": 37.8,
        "mean_abs_1h": 8.4871,
        "n": 6243
      },
      "hidden_stress": {
        "pct": 13.3,
        "mean_abs_1h": 21.6184,
        "n": 2195
      },
      "trending": {
        "pct": 30.5,
        "mean_abs_1h": 8.3822,
        "n": 5031
      },
      "high_vol_trending": {
        "pct": 18.4,
        "mean_abs_1h": 19.4725,
        "n": 3044
      }
    },
    "combined_vpin_ic_normal_is": {
      "ic": -0.0529,
      "n": 100950
    },
    "combined_vpin_ic_hidden_stress_is": {
      "ic": -0.1341,
      "n": 33016
    },
    "combined_vpin_ic_trending_is": {
      "ic": -0.0741,
      "n": 96543
    },
    "combined_vpin_ic_high_vol_trending_is": {
      "ic": -0.1345,
      "n": 53579
    },
    "combined_vpin_ic_normal_oos": {
      "ic": -0.1968,
      "n": 51989
    },
    "combined_vpin_ic_hidden_stress_oos": {
      "ic": -0.0934,
      "n": 42377
    },
    "combined_vpin_ic_trending_oos": {
      "ic": -0.1848,
      "n": 50655
    },
    "combined_vpin_ic_high_vol_trending_oos": {
      "ic": -0.1584,
      "n": 61646
    },
    "combined_quadrants_is": {
      "High VPIN + Hidden Stress": {
        "mean_abs_1h": 9.4172,
        "mean_abs_3h": 17.3771,
        "n": 4076
      },
      "High VPIN + Other": {
        "mean_abs_1h": 7.4853,
        "mean_abs_3h": 13.7126,
        "n": 55071
      },
      "Low VPIN + Hidden Stress": {
        "mean_abs_1h": 11.6607,
        "mean_abs_3h": 19.3571,
        "n": 28940
      },
      "Low VPIN + Other": {
        "mean_abs_1h": 8.2537,
        "mean_abs_3h": 13.5828,
        "n": 196001
      }
    },
    "combined_quadrants_oos": {
      "High VPIN + Hidden Stress": {
        "mean_abs_1h": 20.3814,
        "mean_abs_3h": 37.1228,
        "n": 4625
      },
      "High VPIN + Other": {
        "mean_abs_1h": 9.4745,
        "mean_abs_3h": 16.3868,
        "n": 34415
      },
      "Low VPIN + Hidden Stress": {
        "mean_abs_1h": 22.0806,
        "mean_abs_3h": 34.6245,
        "n": 37752
      },
      "Low VPIN + Other": {
        "mean_abs_1h": 14.3432,
        "mean_abs_3h": 23.5371,
        "n": 129875
      }
    },
    "combined_ic_comparison_is": {
      "vpin_only": -0.1244,
      "yz_only": 0.2354,
      "combined": -0.0744,
      "n": 284088
    },
    "combined_ic_comparison_oos": {
      "vpin_only": -0.2608,
      "yz_only": 0.4005,
      "combined": -0.1191,
      "n": 206667
    }
  },
  "summary": {
    "signals": {
      "vpin_vol_prediction": {
        "ic_oos": -0.257,
        "status": "\u2713 SIGNAL"
      },
      "vpin_direction": {
        "t_stat_oos": 13.04,
        "status": "\u2713 SIGNAL"
      },
      "lambda_vol": {
        "ic_oos": NaN,
        "status": "\u2717 NOISE"
      },
      "yz_hidden_stress": {
        "multiplier": 2.39,
        "t_stat": 33.66,
        "status": "\u2713 SIGNAL"
      },
      "yz_vol_ic": {
        "ic_oos": 0.4104,
        "status": "\u2713 SIGNAL"
      },
      "combined_ic": {
        "vpin_only": -0.2608,
        "yz_only": 0.4005,
        "combined": -0.1191,
        "n": 206667
      }
    },
    "recommendations": [
      "ADD TO SCOREBOARD: vpin_vol_prediction",
      "ADD TO SCOREBOARD: vpin_direction",
      "REJECT: lambda_vol",
      "ADD TO SCOREBOARD: yz_hidden_stress",
      "ADD TO SCOREBOARD: yz_vol_ic",
      "REJECT: combined_ic"
    ],
    "verdict": ""
  }
}