If I am selling, when is my price locked in? December 02, 2020 19:21 Updated Your final price is locked as soon as it is executed and confirmed during trading hours. Once confirmed, any market changes between then and settlement will not affect your price. Related articles When I sell, how is my money delivered? How long does it take to get my money after I sell? What are the rules and rates for Sales Tax in the U.S.? What are market hours? And how do they affect trading? What is the cost/fee for vault storage? How is it calculated?