If you buy at the "Live Rate" after markets close, at what rate will your purchase be when the markets open?

Noob question. Let's say I bought X at the live rate of 1.00 on Friday after the markets close. Now on Monday X opens with 1.5. Do I own the stock at the rate of 1 or 1.5? Thanks

Submitted June 17, 2016 at 04:47PM by Neilgai http://ift.tt/1XutVj6