It is a straightforward outcome: if the binary option expires in the money, it pays $ 100. (nadex.com)
When options expire in the money, the underlying shares are automatically called away from call writers and assigned to option sellers for purchase at the option's strike price. (investopedia.com)
Instead, I let the options expire in the money which means I'll be buying 500 shares of UCO on Monday at $ 12.00 while it finished today at $ 11.15. (mytradersjournal.com)