European Central Bank — Financial market data - yield curve (YC)
Financial market data - yield curve (YC) — official time series from the European Central Bank Data Portal, published as the YC dataflow over SDMX 2.1 REST. One endpoint serves XML (SDMX-ML), CSV (?format=csvdata) and JSON (?format=jsondata); extract exactly the series you need with a key path and startPeriod / endPeriod / lastNObservations filters. Browse and chart the same series on the ECB Data Portal.
Trust score
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Data schema (29 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| FREQFrequency | dimension | 1 codes (e.g. Daily - businessweek) |
| REF_AREAReference area | dimension | 1 codes (e.g. Euro area (changing composition)) |
| CURRENCY | dimension | 1 codes (e.g. Euro) |
| PROVIDER_FMFinancial market provider | dimension | 1 codes (e.g. ECB) |
| INSTRUMENT_FMFinancial market instrument | dimension | 3 codes (e.g. Government bond, nominal, all issuers whose rating is triple A, Government bond, nominal, all issuers all ratings included, Government bond, nominal, all issuers whose rating is between AAA and AA) |
| PROVIDER_FM_IDFinancial market provider identifier | dimension | 1 codes (e.g. Svensson model - continuous compounding - yield error minimisation) |
| DATA_TYPE_FMFinancial market data type | dimension | 1083 codes (e.g. Yield curve parameters, Beta 0, Yield curve parameters, Beta 1, Yield curve parameters, Beta 2) |
| TIME_PERIODTime period or range | time | Time dimension — filter with startPeriod / endPeriod query params. |
| OBS_VALUEObservation value | number | The observed numeric value for each cell. |
| TIME_FORMATTime format code | attribute | — |
| BREAKS | attribute | — |
| COLLECTIONCollection indicator | attribute | — |
| COMPILING_ORGCompiling organisation | attribute | — |
| DISS_ORGData dissemination organisation | attribute | — |
| DOM_SER_IDSDomestic series ids | attribute | — |
| FM_CONTRACT_TIMEContract month/expired date | attribute | — |
| FM_COUPON_RATECoupon rate of the bond | attribute | — |
| FM_IDENTIFIERFinancial instrument Identifier | attribute | — |
| FM_LOT_SIZELot size units | attribute | — |
| FM_MATURITYBond maturity | attribute | — |
| FM_OUTS_AMOUNTOutstanding amount | attribute | — |
| FM_PUT_CALLoptions type | attribute | — |
| FM_STRIKE_PRICEStrike price of the options | attribute | — |
| PUBL_MUSource publication (Euro area only) | attribute | — |
| PUBL_PUBLICSource publication (public) | attribute | — |
| UNIT_INDEX_BASE | attribute | — |
| COMPILATION | attribute | — |
| COVERAGE | attribute | — |
| DECIMALS | attribute | — |
Schema captured from sdmx 1 month ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (5 records)
Record 1FREQ: B · CURRENCY: EUR
{
"FREQ": "B",
"CURRENCY": "EUR",
"REF_AREA": "U2",
"OBS_VALUE": 1.3351123885,
"PROVIDER_FM": "4F",
"TIME_PERIOD": "2026-07-23",
"DATA_TYPE_FM": "BETA0",
"INSTRUMENT_FM": "G_N_A",
"PROVIDER_FM_ID": "SV_C_YM"
}Record 2FREQ: B · CURRENCY: EUR
{
"FREQ": "B",
"CURRENCY": "EUR",
"REF_AREA": "U2",
"OBS_VALUE": 0.8519656997,
"PROVIDER_FM": "4F",
"TIME_PERIOD": "2026-07-23",
"DATA_TYPE_FM": "BETA1",
"INSTRUMENT_FM": "G_N_A",
"PROVIDER_FM_ID": "SV_C_YM"
}Record 3FREQ: B · CURRENCY: EUR
{
"FREQ": "B",
"CURRENCY": "EUR",
"REF_AREA": "U2",
"OBS_VALUE": 2.1215235503,
"PROVIDER_FM": "4F",
"TIME_PERIOD": "2026-07-23",
"DATA_TYPE_FM": "BETA2",
"INSTRUMENT_FM": "G_N_A",
"PROVIDER_FM_ID": "SV_C_YM"
}Record 4FREQ: B · CURRENCY: EUR
{
"FREQ": "B",
"CURRENCY": "EUR",
"REF_AREA": "U2",
"OBS_VALUE": 7.3892138728,
"PROVIDER_FM": "4F",
"TIME_PERIOD": "2026-07-23",
"DATA_TYPE_FM": "BETA3",
"INSTRUMENT_FM": "G_N_A",
"PROVIDER_FM_ID": "SV_C_YM"
}Record 5FREQ: B · CURRENCY: EUR
{
"FREQ": "B",
"CURRENCY": "EUR",
"REF_AREA": "U2",
"OBS_VALUE": 2.8613268916,
"PROVIDER_FM": "4F",
"TIME_PERIOD": "2026-07-23",
"DATA_TYPE_FM": "IF_10M",
"INSTRUMENT_FM": "G_N_A",
"PROVIDER_FM_ID": "SV_C_YM"
}Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Query examples
curl -s 'https://data-api.ecb.europa.eu/service/dataflow/ECB' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'All dataflows (datasets) published by this agency, as SDMX-ML.
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