quote session is a period when the platform receives and transmits quotes. However, one can make trades within a slightly shorter trading session, which is part of a quote session. As a rule, a quote session starts 5-10 minutes earlier and ends 5-10 minutes later than the trading session. This is meant to protect traders from the risk of high volatility at the beginning and the end of the quote session. For example, a quote session for Apple shares starts at 13:30 GMT (US Summer Time) and ends at 20:00. A trading session for Apple shares starts with a five-minute delay, i.e. at 13:35. And it ends at 19:55, which is 5 minutes before the quote session ends.