When the Show dealer probabilities option is selected in the Game tab of the Preferences dialog, the exact probabilities of each possible outcome of the dealer's hand are displayed over the table surface, to the left of the dealer's hand. The probabilities range from zero to one, where zero means impossible and one means certain. These probabilities take into account all cards dealt from the shoe.

When the Show dealer probabilities option is selected in the Game tab of the Preferences dialog, the exact expected values (in percent of initial bet) of each available player option are displayed over the table surface, to the left of the dealer's hand. These values take into account all cards in your current hand and the dealer's face up card. For example, suppose the number displayed for standing is -12.345. This means that if you played out the current situation many, many times, standing each time, with a 1.00 initial wager, then on average you would lose 0.12345.