2019 Holiday Trading Schedule – Martin Luther King, Jr. Day. The following schedule is taken from sources that TradeStation believes are accurate and are subject to change. The schedule has been assembled for information purposes only, and TradeStation is not responsible for any errors or omissions. Trading hours are in U.S. Central Time, unless otherwise stated. Monday-Friday server maintenance is between 4:00 pm and 5:00 pm CST. In addition, we do schedule major updates after the close of business Friday through Saturday. The system will be available at a minimum of 1 hour prior to the pre-market open on Sundays.s. No information on the site, nor any opinion expressed, constitutes a solicitation of the purchase or sale of any futures or options contracts. InsideFutures.com is not a broker, nor does it have