v5

latestOpenAPI 3.1.0Proprietary2026-08-031,5423,1505.5 MB
Fixed Income

Treasury curve analytics

Derived analytics over the US Treasury par and real (TIPS) yield curves for one day: watched spreads (2s10s, 3m10y, 5s30s, ...) in basis points with an inversion flag, butterfly spreads, and breakeven inflation (nominal par minus TIPS real) at the overlapping tenors. Omit date for the latest published curve, or pass date (YYYY-MM-DD) for on or before.

get/api/v2/fixed-income/treasury/curve-analytics

Query parameters

datestring nullable

Curve date (YYYY-MM-DD). Omit for latest.

Example:2026-06-26

Curve date (YYYY-MM-DD). Omit for latest.

Response

Spreads, butterflies and breakeven inflation for the day.

Example response

{
  "data": {
    "date": "2026-06-26",
    "real_date": "2026-06-26",
    "breakeven": [
      {
        "tenor": "10Y",
        "tenor_months": 120,
        "breakeven_bps": 230
      }
    ]
  },
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ]
  }
}