Checking starts with the source.
Fincast uses the official data of central banks and market data for crypto. Every rate can be traced back to where it was published.
Central banks
The official sources of reference exchange rates.
| # | Source | Coverage | Rates |
|---|---|---|---|
| 1 | European Central BankECB | 29 pairs · EUR | Rates → |
| 2 | Narodowy Bank PolskiNBP | 15 pairs · PLN | Rates → |
| 3 | National Bank of the Republic of BelarusNBRB | 15 pairs · BYN | Rates → |
| 4 | Banco Central do BrasilBCB PTAX | 1 pairs · BRL | Rates → |
| 5 | Bank of CanadaBank of Canada | 21 pairs · CAD | Rates → |
| 6 | Bank of JapanBank of Japan | 2 pairs · JPY | Rates → |
| 7 | Federal Reserve H.10Fed H.10 | 12 pairs · USD | Rates → |
Crypto
Market prices from crypto market data vendors.
| Source | Data | Coverage | Updated (UTC) | Rates |
|---|---|---|---|---|
| Crypto market | Market prices | 66 pairs · USD, EUR | Oct 16, 2026, 12:39 PM UTC | Crypto → |
Important. Crypto prices are market data from independent vendors, not official rates of a central bank. Prices differ between exchanges; the time of every price is shown.
The path of the data
Source
Rates are taken from the publications of central banks and from market data vendors.
Normalisation
Every value is stored per one unit of the base currency, with its source, date and time.
Publication
The pages show each rate with its source and the date it applies to.

