{
 "slug": "aapl",
 "issuer": "APPLE INC",
 "start": "2025-10-06",
 "end": "2026-10-05",
 "days": 250,
 "regimes": [
  {
   "regime": "legacy_flat",
   "days": 246,
   "start": "2025-10-06",
   "end": "2026-09-29"
  },
  {
   "regime": "strip",
   "days": 4,
   "start": "2026-09-30",
   "end": "2026-10-05"
  }
 ],
 "regime_note": "legacy_flat discounting (flat SOFR at each date) through 2026-09-29; futures-strip curve from 2026-09-30 (4 of 250 days). These are different discount curves - do not compare levels across the break",
 "series": [
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   "date": "2025-10-06",
   "n_bonds_priced": 38,
   "n_prints_day": 38,
   "sofr_pct": 4.15,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -50.2,
    "2.0": -49.0,
    "3.0": -45.4,
    "5.0": -26.5,
    "7.0": -11.0,
    "10.0": 16.9
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": 1.6,
    "10.0": 17.5
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
    "1.0",
    "2.0",
    "3.0",
    "5.0",
    "7.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-07",
   "n_bonds_priced": 35,
   "n_prints_day": 35,
   "sofr_pct": 4.14,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -49.0,
    "2.0": -49.3,
    "3.0": -45.5,
    "5.0": -25.9,
    "7.0": -11.1,
    "10.0": 16.7
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": 1.6,
    "10.0": 17.2
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
    "1.0",
    "2.0",
    "3.0",
    "5.0",
    "7.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-08",
   "n_bonds_priced": 39,
   "n_prints_day": 39,
   "sofr_pct": 4.12,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -47.1,
    "2.0": -47.1,
    "3.0": -43.3,
    "5.0": -23.2,
    "7.0": -10.1,
    "10.0": 19.2
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
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    "10.0": 19.8
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "7.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-09",
   "n_bonds_priced": 39,
   "n_prints_day": 39,
   "sofr_pct": 4.13,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -43.0,
    "2.0": -45.9,
    "3.0": -40.0,
    "5.0": -21.6,
    "7.0": -7.7,
    "10.0": 21.5
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": 2.0,
    "10.0": 22.2
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-10",
   "n_bonds_priced": 35,
   "n_prints_day": 35,
   "sofr_pct": 4.15,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -50.5,
    "2.0": -50.5,
    "3.0": -44.6,
    "5.0": -26.4,
    "7.0": -13.7,
    "10.0": 21.6
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": 2.0,
    "10.0": 22.3
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-14",
   "n_bonds_priced": 38,
   "n_prints_day": 38,
   "sofr_pct": 4.19,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -58.2,
    "2.0": -58.6,
    "3.0": -56.9,
    "5.0": -36.9,
    "7.0": -20.7,
    "10.0": 13.9
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": 1.2,
    "10.0": 14.3
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   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-15",
   "n_bonds_priced": 37,
   "n_prints_day": 37,
   "sofr_pct": 4.29,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -67.8,
    "2.0": -71.8,
    "3.0": -66.7,
    "5.0": -48.5,
    "7.0": -34.4,
    "10.0": -7.3
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": null,
    "10.0": null
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
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   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
   ]
  },
  {
   "date": "2025-10-16",
   "n_bonds_priced": 40,
   "n_prints_day": 40,
   "sofr_pct": 4.3,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -75.0,
    "2.0": -75.5,
    "3.0": -71.4,
    "5.0": -53.0,
    "7.0": -36.0,
    "10.0": -9.2
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": null,
    "10.0": null
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-17",
   "n_bonds_priced": 42,
   "n_prints_day": 42,
   "sofr_pct": 4.18,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -56.7,
    "2.0": -60.3,
    "3.0": -56.9,
    "5.0": -39.8,
    "7.0": -24.7,
    "10.0": 4.0
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   "par_cds_bp": {
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    "2.0": null,
    "3.0": null,
    "5.0": null,
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    "10.0": 4.1
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "3.0",
    "5.0",
    "7.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "3.0",
    "5.0"
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  },
  {
   "date": "2025-10-20",
   "n_bonds_priced": 39,
   "n_prints_day": 39,
   "sofr_pct": 4.16,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -57.8,
    "2.0": -61.0,
    "3.0": -54.7,
    "5.0": -39.9,
    "7.0": -26.0,
    "10.0": 2.3
   },
   "par_cds_bp": {
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    "7.0": 0.2,
    "10.0": 2.3
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0"
   ]
  },
  {
   "date": "2025-10-21",
   "n_bonds_priced": 41,
   "n_prints_day": 41,
   "sofr_pct": 4.23,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -62.6,
    "2.0": -68.6,
    "3.0": -64.9,
    "5.0": -45.4,
    "7.0": -35.0,
    "10.0": -6.6
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": null,
    "10.0": null
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
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    "10.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
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    "10.0"
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  },
  {
   "date": "2025-10-22",
   "n_bonds_priced": 38,
   "n_prints_day": 38,
   "sofr_pct": 4.21,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
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    "2.0": -66.3,
    "3.0": -61.3,
    "5.0": -40.3,
    "7.0": -28.2,
    "10.0": -2.7
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
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   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-23",
   "n_bonds_priced": 39,
   "n_prints_day": 39,
   "sofr_pct": 4.24,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -66.6,
    "2.0": -66.2,
    "3.0": -60.6,
    "5.0": -40.8,
    "7.0": -31.8,
    "10.0": -4.0
   },
   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
    "5.0": null,
    "7.0": null,
    "10.0": null
   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
   ],
   "unreachable_low_knots": [],
   "below_model_resolution": [
    "1.0",
    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-24",
   "n_bonds_priced": 39,
   "n_prints_day": 39,
   "sofr_pct": 4.24,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -62.7,
    "2.0": -68.9,
    "3.0": -62.2,
    "5.0": -46.4,
    "7.0": -33.0,
    "10.0": -4.2
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   "par_cds_bp": {
    "1.0": null,
    "2.0": null,
    "3.0": null,
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   },
   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "3.0",
    "5.0",
    "7.0",
    "10.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-27",
   "n_bonds_priced": 38,
   "n_prints_day": 38,
   "sofr_pct": 4.27,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -65.3,
    "2.0": -71.4,
    "3.0": -65.6,
    "5.0": -43.4,
    "7.0": -32.3,
    "10.0": -8.4
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   "par_cds_bp": {
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   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "3.0",
    "5.0",
    "7.0",
    "10.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-28",
   "n_bonds_priced": 38,
   "n_prints_day": 38,
   "sofr_pct": 4.31,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -77.1,
    "2.0": -72.7,
    "3.0": -67.7,
    "5.0": -51.0,
    "7.0": -41.9,
    "10.0": -13.1
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   "par_cds_bp": {
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    "3.0": null,
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   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "2.0",
    "3.0",
    "5.0",
    "7.0",
    "10.0"
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  },
  {
   "date": "2025-10-29",
   "n_bonds_priced": 40,
   "n_prints_day": 40,
   "sofr_pct": 4.27,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
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    "2.0": -68.1,
    "3.0": -62.3,
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    "10.0": -7.4
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   "par_cds_bp": {
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   "par_cds_5y_bp": null,
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  },
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   "date": "2025-10-30",
   "n_bonds_priced": 42,
   "n_prints_day": 42,
   "sofr_pct": 4.04,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
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    "2.0": -32.1,
    "3.0": -29.9,
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    "7.0": 1.9,
    "10.0": 27.6
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   "par_cds_bp": {
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   "par_cds_5y_bp": 0.2,
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   "unreachable_low_knots": [],
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    "3.0"
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  },
  {
   "date": "2025-10-31",
   "n_bonds_priced": 42,
   "n_prints_day": 42,
   "sofr_pct": 4.22,
   "curve_regime": "legacy_flat",
   "discount_source": "FlatRateCurve (flat SOFR)",
   "z_at_knots_bp": {
    "1.0": -55.5,
    "2.0": -53.0,
    "3.0": -46.6,
    "5.0": -30.6,
    "7.0": -16.4,
    "10.0": 10.8
   },
   "par_cds_bp": {
    "1.0": null,
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   "par_cds_5y_bp": null,
   "negative_z_knots": [
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    "3.0",
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   "unreachable_low_knots": [],
   "below_model_resolution": [
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    "3.0",
    "5.0"
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  },
  {
   "date": "2025-11-03",
   "n_bonds_priced": 41,
   "n_prints_day": 41,
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}