are below 1, quotes frequently include five decimal places.

In 2005, Barclays Capital broke with convention by quoting spot exchange rates with five or six decimal places on their electronic dealing platform. The contraction of spreads (the difference between the bid and ask rates) arguably necessitated finer pricing and gave the banks the ability to try to win transactions on multibank trading platforms where all banks may otherwise have been quoting the same price. A number of other banks have since followed this system.

Exchange rate regime

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