You can void your trade IF it has not cleared. Go to “History” (located in the top navigation), select the link for your trade and select “Request Void”.
OTIS is a real-world simulation, so make sure you are carefully reviewing everything before you hit submit. If you make an error, we encourage you to run with it and not scramble to “fix” it. Trading errors are part of the learning process.
← How can I void a stock order that I make in error?