Can I place a fractional trade during the extended hours trading session? June 03, 2022 14:16 Updated Follow No, you can only place limit orders in whole shares during the extended hours trading session. Related articles What are some reasons for trading during extended-hours? Is extended-hours trading more risky? Can I place trades in my IRA during the extended trading hours? How do I place a limit order during the extended hours trading session? Will my order from regular-hours carry over to the extended-hours session? (Or vice versa?)