If, according to the picture, the actual exchange rate in the market is 120.00-05, the customer will set the price here.

However, if the Bank of Japan buys dollars and sells yen at an accidental moment, a brief look will reveal that the established market has become 12 1.50 yen.

However, this method is rarely challenged, because in the world of stock trading and commodity futures trading, this pre-determined and established on-time ordering method is a matter of course.