TAB Fixed Odds betting is offered on racing through tab.com.au
TAB is a bookmaker, which means that the price you receive for your bet is fixed at the time the bet is placed and will not change (subject to scratchings and dead heats).
The TAB racing betting pages now list TAB Tote Approximates and TAB Fixed Odds (where available) side by side (on mobile devices, you will a toggle for FO and Tote will be shown)