At about 8:00 am New York time, around the height of the London trading session, US traders come to life. This is considered the beginning of the American trading session. New York is the second most important center in the Forex market, and it accounts for about 15 percent of the total volume of currency trading.

Trading is especially active at the beginning of the American session, which overlaps the European session. Now two Forex giants, London and New York, are simultaneously participating in the game.

At the beginning of this session, US economic news comes out, and they can cause huge volatility. The exchange rates begin to fluctuate greatly, as the market digests this new information.

In the afternoon in New York, due to the closing of the London session, liquidity and volatility begin to fall, and trading usually becomes aimless and changeable. By the middle and end of the day, New York time, London traders are gradually leaving the market for their homes, and it is still late at night in Japan at this time. New York traders are still active at this time of day, but some of them have already completed the bulk of their trading.

Friday afternoon in the US is usually the least active, because for most of the trading world it is already Friday evening or Saturday morning.

A decrease in liquidity often leads to" changeable " movements, since in illiquid environments, orders that usually do not affect the movement of exchange rates can now just affect them. Finally, after the closure of the American markets in the western Pacific, a new trading day is about to begin. In Australia and New Zealand, the markets are starting to move, the process begins again. The cycle continues throughout the week, with most trading operations closed from Friday afternoon to Sunday afternoon, New York time.