Perhaps one of the most astonishing facts about the modern world economy is the size of the foreign exchange market compared to productive economic activity. The Bank of International Settlements20 estimates the size of the foreign exchange market to be $5.1 trillion per day for April 2016, which would come out to around $1,860 trillion per year. The World Bank estimates the GDP of all the world's countries combined at around $75 trillion for the year 2016. This means that the foreign exchange market is around 25 times as large as all the economic production that takes place in the entire
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