Bookmaker fixed odds or tote dividend: how each pays on a South African race

Two different deals on the same race

South African racing offers two kinds of bet on the same horse, and the operational rules define both. The Western Cape Gambling and Racing Board's Operational Rules of Betting (Provincial Gazette Extraordinary 7784) define a fixed-odds bet as one "in which odds are agreed at the time the bet is placed". They define a totalisator bet as one where the total staked, after any legislated deductions, "is divided amongst those persons who have made winning bets" in proportion to their stakes.

Put both prices in the same units

Fractional odds show profit. A tote dividend shows the total return per R1, including the stake. The TAB tote rules calculate dividends per R1 unit from the net pool. To compare the two, turn the fractional price into a return per R1:

Return per R1 = 1 + (a ÷ b) for odds of a/b.

Now the comparison is direct. Suppose you took 5/1 with a bookie, a return of R6.00 per R1, and the tote Win dividend on the same horse is declared at R7.20. The tote would have paid R1.20 more per R1. If the dividend had been R4.80, your fixed price was R1.20 better per R1. These dividends are invented to show the method. You only learn the real one after the race.

Starting price, and what happens if you don't take a price

If you bet without taking a fixed price, the bet is settled at the starting price (SP). Rule 21 of the operational rules sets out the SP as the last official fixed price disseminated from the track or a recognised facility, or shown on the bookmaker's board, at the start. If a horse is withdrawn late and no new market is shown before the start, the SP is the last price displayed, less the deduction.

The same rule covers bets at tote odds with a bookmaker. These are settled at the tote dividend, subject to the bookmaker's limits, which must be displayed. A few other rules affect your payout:

• Dead heats. Under Rule 20, in a dead heat between two horses half the stake is lost, so only half your bet is paid at the odds.
• Price errors. Under Rule 11, if a price is officially corrected, the bet settles at the corrected price or the SP, whichever is greater.
• SP bets and deductions. Rule 17(4) says deductions do not apply to SP bets, unless a late withdrawal leaves too little time to re-form the market.

The bookmaker's margin, worked out from a sample book

A bookie's odds add up to more than 100% probability. The excess is the overround, and it is where the margin comes from. The formula:

1. For each horse, implied probability = b ÷ (a + b) for odds of a/b. For 2/1 that is 1 ÷ 3 = 33.33%.
2. Add them up. That sum is the book percentage.
3. Overround = book percentage − 100%.
4. The bookmaker's theoretical margin on turnover = 1 − (1 ÷ book percentage), if money comes in proportion to the prices.

Here is an invented but realistic 8-runner market:

The overround is 114.68% − 100% = 14.68%. The margin is 1 − 1 ÷ 1.1468 ≈ 12.8%. If the bookmaker could balance its book, it would pay back about R87.20 of every R100 staked on this race and keep about R12.80. Real books differ race by race. Compare the overround on a few markets before deciding where your money gets the better price.

The tote's equivalent is the legislated deduction. The rules do not print the rate, so ask the operator or the provincial board for the current figure.

Deductions when a horse is withdrawn

Under Rule 17, if a horse is withdrawn, fixed-odds bets on it are void. Fixed-odds bets on the remaining runners may face a deduction from winnings, based on the withdrawn horse's price when your bet was struck. An extract from the table:

A worked example: you have R100 at 4/1 on horse A, and a 3/1 runner is withdrawn. Your winnings would have been R400. The 25% deduction takes R100, leaving R300, so you receive R300 + R100 stake = R400 instead of R500. The rules allow bookmakers to vary the table, but not in a way that leaves you worse off than the table would.

Tote pools have no such table. The dividend is always worked out from the net pool under that pool's rules. In multi-leg pools a scratched selection is replaced by the tote favourite instead.

Where the money actually goes

The National Gambling Board's audited statistics for the year to 31 March 2025 split horse-racing gross gambling revenue (GGR) by operator type:

On these figures, bookmakers kept more than ten times the tote's horse-racing GGR (R3.52 billion ÷ R0.34 billion ≈ 10.4). GGR is what operators keep after paying winners, so this shows where punters' losses end up, not which bet pays more on a given race.

Choosing on the day

• Fixed odds give you certainty: the price you take is the price you are paid, subject to deductions and dead heats.
• The tote gives you whatever the pool says, after deductions. The heavier the money on your horse, the lower the dividend.
• Work in return per R1. It is the only fair way to put a 5/1 price next to a R7.20 dividend.

For the pool bets themselves, see how tote bets work. Before you open an account, check the bookmaker's licence with the provincial board. Set a limit before the first race. The responsible gambling page covers the tools, and the South African Responsible Gambling Foundation's toll-free line is 0800 006 008, open 24/7. Betting is for over-18s only.