For participants in Self-Direct Brokerage Direct Advantage accounts: The value of the commission used in this calculation is $14 per trade. There is an additional commission of $.03/share for each share over 1000 shares that are not included in this calculation. You are only allowed to trade a dollar value that is inclusive of all fees and commissions that is not to exceed your current account balance. This commission schedule only applies to sdb Direct Advantage accounts.