Jan 01, 2016 · Trading Specific Shares. If your account is eligible, you can choose specific shares when trading stocks, options, or mutual funds. Valid trades include selling or exchanging mutual funds, selling or buying to cover stocks, and buying or selling options to close. What is the advantage of selling shares using the specific shares cost basis method? Are 'per trade' fees charged on every order or just once ... Are 'per trade' fees charged on every order or just once per stock? Ask Question It would be helpful to know if you will be hit by two commission charges when buying and selling a single stock. stocks fees online-brokerage commission. share Buying 100 shares would cost $1007, and it would be profitable to sell once they hit $10.14 each.