1, network query.

For the foreign exchange quotation of China Bank, just search the previous foreign exchange quotation and enter the date and the foreign exchange you want.

2. Financial related units

The national financial regulatory authorities and exchange fund trading units have exchange rate records of various currencies (such as CBRC, exchange companies operating exchange funds and commercial fund trading business units).

3. Bank inquiry

Check with banks, especially China Bank. They have all the time and currency exchange rates.

4, foreign exchange futures fund trading software

You can download some exchange fund trading software, securities trading software, futures trading software and spot trading software. Basically, there are historical trading quotes for inquiry.