{"schema":1,"as_of":"2026-10-09","meta":{"source":"NSE corporate bond bhavcopy and WDM negotiated-trade reports; BSE trade-and-settlement reports; NSE rating filings; CDSL bond terms and ratings","method":"docs/methods/bond_curves.md","notes":["Indicative traded YTM, not a zero-coupon curve, valuation benchmark or executable quote.","One source per ISIN-day: NSE takes precedence over BSE. The stale NSE-hosted BSE mirror is excluded.","NSE CBM value converted from lakhs to crores; WDM reports crores. BSE value is face value in lakhs, converted to crores.","Corporate nodes: equal bonds within issuer, equal issuers; at least three bonds and three issuers.","No extrapolation; no interpolation across unsupported buckets or more than ten years.","Five-session view checks eligibility on each bond's latest reported trade; older yields are not marked to today."]},"name":"State government bonds historical curves","resolution":"daily","dates":["2026-09-10","2026-09-11","2026-09-16","2026-09-17","2026-09-18","2026-09-21","2026-09-22","2026-09-23","2026-09-28","2026-09-29","2026-10-01","2026-10-07","2026-10-08","2026-10-09"],"series":{"y0.25":[5.3176,null,5.4751,null,null,null,5.5281,null,null,5.6185,5.8823,null,null,null],"y0.5":[5.4593,null,5.6749,5.9548,null,null,5.5873,5.9943,null,5.6786,6.1084,null,null,5.9929],"y1":[5.7429,null,6.0745,6.0544,null,null,5.7058,6.2095,null,5.7989,null,null,6.6387,6.2467],"y2":[6.31,null,6.8738,6.2535,null,7.0332,5.9428,6.6399,6.9994,6.0394,null,6.9463,6.854,6.7544],"y3":[6.8772,null,null,6.4527,null,7.1913,6.1797,7.0702,7.286,6.2799,null,7.0812,7.0693,7.2621],"y5":[7.2503,null,null,6.851,7.3059,null,6.6536,null,7.5396,6.7609,null,7.3511,7.4999,7.6077],"y7":[7.443,7.5208,null,7.2493,7.4836,null,7.1275,null,7.6758,7.242,null,7.621,7.9105,7.8392],"y10":[null,7.6173,null,7.7765,7.7462,null,null,null,7.8715,7.8608,null,7.8817,7.9266,null],"y15":[null,7.7781,null,7.8605,7.852,null,null,null,7.9225,7.9403,7.9713,null,null,null],"y20":[null,null,null,null,null,null,null,null,null,null,7.9715,null,null,null],"y30":[null,null,null,null,null,null,null,null,null,null,null,null,null,null],"y40":[null,null,null,null,null,null,null,null,null,null,null,null,null,null]}}