With a daily trading volume that exceeds $4 trillion, the Forex market is by far the largest and most liquid market in the world. In truth, the volume traded in Forex is so high that no data is available, though every triennial the Bank of International Settlements publishes the results of a survey conducted with major market participants and creates an estimate based on responses obtained. 

Part of our multimedia library, learn in this video what is Forex and who trades it, from big players to retail traders and how big is this market.

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If you would like to know more about who are the participants and their share in Forex trading, please read our complete article Who Trades the Forex Market and Why.