Czech National Bank (Česká národní banka, CNB)

Name: Czech National Bank (Česká národní banka, CNB)
Creator: Czech National Bank
License: https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/

Open · redistributedcustom-terms-cnbMoney & Banking

Redistributable. This source is served as canonical Parquet under the license below, with attribution and provenance preserved.

Coverage

Series catalogued

Temporal coverage

1991-01-01 – 2026-06-08

Licensing & provenance

License: custom-terms-cnb
License URL: https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/
Required attribution: Source: the CNB (Czech National Bank)
Redistribution: Permitted (served here)
Commercial use: Restricted / no
Modification: Permitted
Provider homepage: https://www.cnb.cz
Provider terms: https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/

How to cite

Czech National Bank (Česká národní banka, CNB). Retrieved from https://www.cnb.cz. Compiled and redistributed by the Elkassabgi Data Library.

Processing: Retrieved from the official source, normalized to a long {series_key, obs_date, value} schema (period-start dates), de-duplicated, and stored as zstd Parquet. Compiled and redistributed by the Elkassabgi Data Library.

Access & mirrors

Download: Select & download cnb series as CSV →
API: Get a free API key, then GET /v1/series/<id>.csv
Canonical landing: https://econdatalibrary.com/cnb
Update cadence: daily
Automated refresh: live — this database is on the daily update run
Update strategy: extend by date
Storage layout: single-file — data/clean_full/cnb/cnb.parquet, one pa.table written once. series_key = CNB_FX:{CCY}_CZK, rates normalized to per-1-unit (raw value / amount multiplier).

Full description

Czech National Bank (CNB) — Exchange rate fixing, 1991–present. License: Open data (CNB public data policy) Source: https://www.cnb.cz/en/financial_markets/foreign_exchange_market/ No API key required. Coverage: * ~30 currencies vs CZK, daily business day rates, 1991–present * AUD, BGN, BRL, CAD, CHF, CNY, DKK, EUR, GBP, HKD, HUF, IDR, ILS, INR, ISK, JPY, KRW, MXN, MYR, NOK, NZD, PHP, PLN, RON, SEK, SGD, THB, TRY, USD, XDR, ZAR * Year files: pipe-delimited, daily data per calendar year Run: python jobs/ingest_cnb.py

Structured metadata

schema.org/Dataset (Google Dataset Search)

{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "name": "Czech National Bank (Česká národní banka, CNB)",
  "description": "CNB exchange rate fixing. Czech National Bank. 58 series, 1991–2026. Free download.",
  "url": "https://econdatalibrary.com/cnb",
  "identifier": "cnb",
  "isAccessibleForFree": true,
  "publisher": {
    "@type": "Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "includedInDataCatalog": {
    "@type": "DataCatalog",
    "@id": "https://econdatalibrary.com/#catalog",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com/catalog"
  },
  "creator": {
    "@type": "Organization",
    "name": "Czech National Bank",
    "url": "https://www.cnb.cz"
  },
  "license": "https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/",
  "keywords": [
    "Money & Banking",
    "cnb"
  ],
  "temporalCoverage": "1991-01-01/2026-06-08",
  "creditText": "Source: the CNB (Czech National Bank)",
  "citation": "Czech National Bank (Česká národní banka, CNB). Retrieved from https://www.cnb.cz. Compiled and redistributed by the Elkassabgi Data Library.",
  "sameAs": [
    "https://huggingface.co/datasets/econdatalibrary-cnb",
    "https://zenodo.org/communities/econdatalibrary"
  ],
  "distribution": [
    {
      "@type": "DataDownload",
      "name": "cnb — CSV",
      "encodingFormat": "text/csv",
      "contentUrl": "https://econdatalibrary.com/download.html?source=cnb",
      "license": "https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/"
    }
  ]
}

Croissant (ML-ready, schema.org JSON-LD)

{
  "@context": {
    "@language": "en",
    "@vocab": "https://schema.org/",
    "cr": "http://mlcommons.org/croissant/",
    "data": {
      "@id": "cr:data",
      "@type": "@json"
    },
    "dataType": {
      "@id": "cr:dataType",
      "@type": "@vocab"
    },
    "sc": "https://schema.org/",
    "conformsTo": "dct:conformsTo",
    "dct": "http://purl.org/dc/terms/"
  },
  "@type": "sc:Dataset",
  "conformsTo": "http://mlcommons.org/croissant/1.0",
  "name": "cnb",
  "description": "CNB exchange rate fixing. Czech National Bank. 58 series, 1991–2026. Free download.",
  "url": "https://econdatalibrary.com/cnb",
  "creator": {
    "@type": "sc:Organization",
    "name": "Czech National Bank",
    "url": "https://www.cnb.cz"
  },
  "publisher": {
    "@type": "sc:Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "license": "https://www.cnb.cz/en/privacy-statement-and-disclaimer/disclaimer-copyright/",
  "keywords": [
    "Money & Banking"
  ],
  "temporalCoverage": "1991-01-01/2026-06-08",
  "citation": "Czech National Bank (Česká národní banka, CNB). Retrieved from https://www.cnb.cz. Compiled and redistributed by the Elkassabgi Data Library.",
  "distribution": [
    {
      "@type": "cr:FileObject",
      "@id": "cnb-csv",
      "name": "cnb-csv",
      "description": "Per-series CSV, downloadable with a free API key.",
      "contentUrl": "https://econdatalibrary.com/download.html?source=cnb",
      "encodingFormat": "text/csv"
    }
  ]
}

Part of the Econ Data Library catalog · metadata generated 2026-08-02 from the central registry · browse all datasets