These are important to know if you need to trade with a subset of forex ttading forex cross pairs. This includes eur/usd usd/jpy. Here are 2 articles from 2016 and 2019. This includes
2016: EUR/USD, USD/JPY, GBP/USD, AUD/USD, USD/CAD, USD/CHF
2019: EUR/USD, USD/JPY, AUD/USD, USD/CAD, GBP/USD, NZD/USD
https://fxssi.com/most-liquid-currency-pairsFACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!