{
  "schema_version": "fwdvar_diagnostics_v4",
  "issues": [
    {
      "code": "rejected",
      "scope": "expiry",
      "severity": "INFO",
      "expiry_dt": "2026-09-29",
      "interval_from": null,
      "interval_to": null,
      "strike": null,
      "target_key": "2026-09-29",
      "message_short": "Rejected: missing_quotes",
      "message_long": "Expiry rejected: missing_quotes",
      "metrics": {
        "reject_reason": "missing_quotes"
      }
    },
    {
      "code": "rejected",
      "scope": "expiry",
      "severity": "INFO",
      "expiry_dt": "2027-03-30",
      "interval_from": null,
      "interval_to": null,
      "strike": null,
      "target_key": "2027-03-30",
      "message_short": "Rejected: insufficient_strikes",
      "message_long": "Expiry rejected: insufficient_strikes",
      "metrics": {
        "reject_reason": "insufficient_strikes"
      }
    },
    {
      "code": "elevated_fwdvol",
      "scope": "interval",
      "severity": "WARN",
      "expiry_dt": null,
      "interval_from": "2026-05-05",
      "interval_to": "2026-05-12",
      "strike": null,
      "target_key": "05-05\u219205-12",
      "message_short": "Elevated fwd vol (31.2%)",
      "message_long": "Forward volatility: 31.2% (threshold: 30%)",
      "metrics": {
        "fwd_vol": 0.31235001941660184,
        "threshold": 0.3
      }
    },
    {
      "code": "elevated_fwdvol",
      "scope": "interval",
      "severity": "WARN",
      "expiry_dt": null,
      "interval_from": "2026-05-12",
      "interval_to": "2026-05-19",
      "strike": null,
      "target_key": "05-12\u219205-19",
      "message_short": "Elevated fwd vol (30.8%)",
      "message_long": "Forward volatility: 30.8% (threshold: 30%)",
      "metrics": {
        "fwd_vol": 0.30822714188391553,
        "threshold": 0.3
      }
    },
    {
      "code": "elevated_fwdvol",
      "scope": "interval",
      "severity": "WARN",
      "expiry_dt": null,
      "interval_from": "2026-05-19",
      "interval_to": "2026-05-26",
      "strike": null,
      "target_key": "05-19\u219205-26",
      "message_short": "Elevated fwd vol (30.3%)",
      "message_long": "Forward volatility: 30.3% (threshold: 30%)",
      "metrics": {
        "fwd_vol": 0.30338805029762295,
        "threshold": 0.3
      }
    }
  ],
  "summary": {
    "total": 5,
    "fail_count": 0,
    "warn_count": 3,
    "info_count": 2
  },
  "derived": {
    "structure_summary": {
      "iv_7d": {
        "pct": 30.347772845566436,
        "pct_cal": 16.678473308270643,
        "actual_dte": 7,
        "expiry_date": "2026-05-05",
        "tau_eff": 0.005874601567645367,
        "tau_cal": 0.01944999426984308,
        "tau_ratio": 3.3108618594603594
      },
      "iv_30d": {
        "pct": 30.69071556012063,
        "pct_cal": 17.14217275126044,
        "actual_dte": 28,
        "expiry_date": "2026-05-26",
        "tau_eff": 0.02400475759421164,
        "tau_cal": 0.0769448607996172,
        "tau_ratio": 3.2054004502078874
      },
      "iv_90d": {
        "pct": null,
        "pct_cal": null,
        "actual_dte": null,
        "expiry_date": null,
        "tau_eff": null,
        "tau_cal": null,
        "tau_ratio": null
      },
      "front_slope_pct": 0.3429427145541952,
      "back_slope_pct": null,
      "max_fwd_vol_pct": 31.235001941660183,
      "max_fwd_vol_interval": {
        "from": "2026-05-05",
        "to": "2026-05-12"
      },
      "max_fwd_vol_dte_range": {
        "start_dte": 7,
        "end_dte": 14
      },
      "neg_interval_count": 0,
      "clock_primary": "variance_time",
      "clock_secondary": "calendar",
      "vt_vintage": "202603",
      "beta_on": 0.12931315994459922,
      "beta_we": 0.19024823173932068,
      "quote_context_dt": "2026-04-28T13:00:04.860830+05:30",
      "effective_quote_policy": "weighted_mid",
      "tau_mode_math": "variance_time",
      "rr_25d": null,
      "fly_25d": null,
      "put_iv_25d": null,
      "call_iv_25d": null,
      "rr_fly_diagnostics": null
    },
    "interval_leaderboard": {
      "highest": [
        {
          "from": "2026-05-05",
          "to": "2026-05-12",
          "start_dte": 7,
          "end_dte": 14,
          "forward_vol": 0.31235001941660184,
          "forward_variance": 0.09756253462955154
        },
        {
          "from": "2026-05-12",
          "to": "2026-05-19",
          "start_dte": 14,
          "end_dte": 21,
          "forward_vol": 0.30822714188391553,
          "forward_variance": 0.09500397099392739
        },
        {
          "from": "2026-05-19",
          "to": "2026-05-26",
          "start_dte": 21,
          "end_dte": 28,
          "forward_vol": 0.30338805029762295,
          "forward_variance": 0.09204430906339299
        },
        {
          "from": "2026-06-02",
          "to": "2026-06-30",
          "start_dte": 35,
          "end_dte": 63,
          "forward_vol": 0.2719690359363131,
          "forward_variance": 0.07396715650812757
        },
        {
          "from": "2026-05-26",
          "to": "2026-06-02",
          "start_dte": 28,
          "end_dte": 35,
          "forward_vol": 0.2661777797635169,
          "forward_variance": 0.07085061043983532
        }
      ],
      "lowest": [
        {
          "from": "2026-06-30",
          "to": "2026-12-29",
          "start_dte": 63,
          "end_dte": 245,
          "forward_vol": 0.23721594776943686,
          "forward_variance": 0.05627140587615219
        },
        {
          "from": "2026-05-26",
          "to": "2026-06-02",
          "start_dte": 28,
          "end_dte": 35,
          "forward_vol": 0.2661777797635169,
          "forward_variance": 0.07085061043983532
        },
        {
          "from": "2026-06-02",
          "to": "2026-06-30",
          "start_dte": 35,
          "end_dte": 63,
          "forward_vol": 0.2719690359363131,
          "forward_variance": 0.07396715650812757
        },
        {
          "from": "2026-05-19",
          "to": "2026-05-26",
          "start_dte": 21,
          "end_dte": 28,
          "forward_vol": 0.30338805029762295,
          "forward_variance": 0.09204430906339299
        },
        {
          "from": "2026-05-12",
          "to": "2026-05-19",
          "start_dte": 14,
          "end_dte": 21,
          "forward_vol": 0.30822714188391553,
          "forward_variance": 0.09500397099392739
        }
      ],
      "neg_intervals": []
    },
    "forward_volatility_matrix": {
      "schema_version": "fwdvol_matrix_v2",
      "status": "available",
      "expiry_filter_policy_version": "usable_expiries_v1",
      "expiry_dates": [
        "2026-05-05",
        "2026-05-12",
        "2026-05-19",
        "2026-05-26",
        "2026-06-02",
        "2026-06-30",
        "2026-12-29"
      ],
      "dte_days": [
        7,
        14,
        21,
        28,
        35,
        63,
        245
      ],
      "matrix_fwdvol_pct": [
        [
          null,
          31.235001941660183,
          31.029542828043645,
          30.801018093934925,
          29.852184586527482,
          28.558866681028185,
          24.940485842184312
        ],
        [
          null,
          null,
          30.822714188391554,
          30.581716764867895,
          29.36787625533302,
          28.14812833646051,
          24.72178140944989
        ],
        [
          null,
          null,
          null,
          30.338805029762295,
          28.59119402194692,
          27.6667364508007,
          24.50362288664911
        ],
        [
          null,
          null,
          null,
          null,
          26.617777976351693,
          27.08546642157489,
          24.28897480769284
        ],
        [
          null,
          null,
          null,
          null,
          null,
          27.196903593631312,
          24.210941965330235
        ],
        [
          null,
          null,
          null,
          null,
          null,
          null,
          23.721594776943686
        ],
        [
          null,
          null,
          null,
          null,
          null,
          null,
          null
        ]
      ],
      "neg_mask": [
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ],
        [
          false,
          false,
          false,
          false,
          false,
          false,
          false
        ]
      ],
      "clip": {
        "method": "percentile",
        "p_lo": 5,
        "p_hi": 95,
        "vmin": 24.210941965330235,
        "vmax": 31.029542828043645
      },
      "usable_count": 7,
      "excluded": []
    },
    "expiry_quality_summary": {
      "schema_version": "expiry_quality_summary_v1",
      "filter_policy_version": "usable_expiries_v1",
      "total_count": 9,
      "usable_count": 7,
      "excluded": [
        {
          "expiry_date": "2026-09-29",
          "dte_days": 154,
          "reject_reason": "missing_quotes",
          "accept_tier": null,
          "why": "missing_quotes"
        },
        {
          "expiry_date": "2027-03-30",
          "dte_days": 336,
          "reject_reason": "insufficient_strikes",
          "accept_tier": null,
          "why": "insufficient_strikes"
        }
      ]
    },
    "build_metadata": {
      "git_commit": "9152268d",
      "build_timestamp": "2026-04-28T07:30:11.580336+00:00",
      "python_version": "3.13"
    },
    "request_echo": {
      "event_windows_requested": false,
      "sliding_windows_requested": false,
      "diagnostics_level": "lite",
      "tau_mode": "variance_time",
      "event_windows_exported": false,
      "event_windows_count": 0,
      "sliding_windows_exported": false,
      "ui_presets_exported": true,
      "ui_presets_events_count": 0,
      "ui_presets_missing_reason": null,
      "required_iv_tenors": []
    },
    "ui_limits": {
      "max_horizon_days": 56,
      "max_horizon_label": "8w_liquid",
      "min_horizon_days": 0,
      "tz": "Asia/Kolkata",
      "notes": "UI clamps horizon; avoid LEAPS/illiquid expiries beyond 8 weeks"
    },
    "ui_capabilities": {
      "schema_version": "ui_capabilities_v1",
      "generated_at_utc": "2026-04-28T07:30:11.589118+00:00",
      "source": "volstrats.analytics.ui_capabilities.build_ui_capabilities",
      "filter_policy": {
        "name": "UI_GRADE",
        "version": "usable_expiries_v1"
      },
      "missing_reason": null,
      "features": {
        "forward_matrix_json": false,
        "quote_cards_html": false,
        "event_window_tool": false,
        "sliding_windows": false,
        "smile_density_plots": false,
        "chain_snapshots": false,
        "carry_data": true
      },
      "counts": {
        "usable_expiries": 7,
        "excluded_expiries": 2,
        "neg_cells": 0,
        "issues_fail": 0,
        "issues_warn": 3
      }
    },
    "ui_presets": {
      "schema_version": "ui_presets_v1",
      "generated_at_utc": "2026-04-28T07:30:11.593467+00:00",
      "asof_iso": "2026-04-28T13:00:04.860830+05:30",
      "asof_source": "structure_summary.quote_context_dt",
      "horizon_days": 56,
      "tz": "Asia/Kolkata",
      "source": "market_calendar.list_upcoming_events",
      "id_namespace": "market_calendar",
      "id_format": "CATEGORY_YYYYMM",
      "events": []
    }
  }
}