Can I modify a conditional order? Yes, you can modify any conditional order when the market for that instrument is open. Related articles How do I complete my account registration? How do I apply Trading Indicators onto my MT4 or MT5 platform? Can I have a long (buy) and a short (sell) position at the same time (Hedging)? What are the risk and rewards of margin trading? Why did the market pass my order, but my order did not close?