May I trade during extended hours?

Yes. Trading during extended hours is subject to a commission surcharge of $0.003 per share. This fee applies to orders executed on the Electronic Communication Network (ECN). Extended pre-market trading is available between 7:00 a.m. – 9:30 a.m., EST. Extended after-hours trading is available between 4:00 p.m. – 8:00 p.m. EST.