Not quite understanding your question here. Your buy contract would have not been profitable. The market went below your buy strike price and if help until expiration would have been a complete loss. Your sell contract would have been In the Money and profitable. At the time your sell contract took profit you would have been down a good amount on the buy contract. Check out this recent video on Butterflies and watch towards the end. You will see that we teach to exit both sides of the contract if the market hits on of the strikes on either side: Nadex Webinar 08/10/2017 Trading Range Bound Markets with Nadex Binaries