Fixed Income
Treasury price history by CUSIP
End-of-day secondary-market price history for one Treasury CUSIP (bid / offer / mid / eod, clean prices per 100 face), oldest first. Narrow with start/end (YYYY-MM-DD). Notes and bonds also carry per-day current yield, yield-to-maturity, and accrued interest.
get/api/v2/fixed-income/treasury/prices/{cusip}
Path parameters
cusipstring required
9-character Treasury CUSIP.
Example:912810EX2
9-character Treasury CUSIP.
Query parameters
startstring nullable
Filter: dates >= start (YYYY-MM-DD).
Example:2026-01-01
Filter: dates >= start (YYYY-MM-DD).
endstring nullable
Filter: dates <= end (YYYY-MM-DD).
Example:2026-06-30
Filter: dates <= end (YYYY-MM-DD).
limitinteger
Most recent N days (bounds the response).
Example:5000
Most recent N days (bounds the response).
Response
Daily price history (and analytics for notes/bonds) for the CUSIP.
Example response
{
"data": {
"cusip": "912810EX2",
"security_type": "MARKET BASED BOND",
"maturity_date": "2040-08-15",
"coupon_rate_pct": 6.75,
"count": 250,
"history": [
{
"cusip": "912810EX2",
"price_date": "2026-06-26",
"security_type": "MARKET BASED BOND",
"coupon_rate_pct": 6.75,
"maturity_date": "2040-08-15",
"bid": 100.2,
"offer": 100.3,
"mid": 100.25,
"eod_price": 100.25,
"price": 100.25,
"current_yield": 6.733,
"yield_to_maturity": 6.71,
"accrued_interest": 1.42,
"macaulay_duration": 11.2,
"modified_duration": 10.8,
"dv01": 0.108,
"convexity": 1.6,
"bond_equivalent_yield": 4.95,
"discount_yield": 4.8,
"real_current_yield": 1.2,
"real_yield_to_maturity": 1.15,
"bid_offer_spread": 0.1,
"i_spread_bps": 24.5
}
]
},
"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"
]
}
}