Tradestation software will sometimes freeze up. During the first 30 minutes are during very active sessi9ons. I place a buy at market, and it just sits there. Then I enter another sits there the both are filled. In other words its frustrating.
I have a very capable computer and internet connection. I know its the software.
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I would suggest you contact support or provide more details since Tradestation has very reliable software and is used by many many traders, if this would be just another regular software glitch it would be affecting other people as well and there would be more complaints online.
Not saying it is impossible, but just contact support, send them your platform log file and they be able to figure out what went wrong.