# Exotic bets in racing, defined with examples

> Exotic bets combine runners or races: trifecta, first four and quaddie. How to count combinations, what a box costs and how pooled dividends are formed.

Source: https://bookiechecklist.com/exotic-bets-trifecta-quaddie/
Updated: 2026-11-13

Exotic bets in racing pick several runners or races in one bet. A trifecta needs the first three runners home in exact order, and a quaddie needs the winners of four races. A box trifecta on 4 runners covers 24 combinations, so an A$1 unit costs A$24.00. Pool payouts depend on the organiser's rules.

## The terms

Exotics is the group name for bets that combine finishing positions or races. Three are defined here.

- **Trifecta:** the first three runners in exact order.
- **First four:** the first four runners in exact order.
- **Quaddie:** the winners of four races.

A box means every ordering of your chosen runners is covered.

**Where this stands:** three exotic bet types are defined, with a box covering every order.

## Counting combinations

The cost of an exotic bet is the number of combinations times the unit stake.

For a box trifecta of n runners the count is n × (n − 1) × (n − 2). For a first four box it is n × (n − 1) × (n − 2) × (n − 3). For a quaddie, multiply the number of picks in each leg.

**Combinations and cost · illustrative arithmetic; units chosen for the example · checked 2026-11-13**

| Bet | Selections | Combinations | Unit | Cost |
|---|---|---|---|---|
| Straight trifecta | 3 runners in order | 1 | A$1.00 | A$1.00 |
| Box trifecta | 4 runners | 24 | A$1.00 | A$24.00 |
| Box trifecta | 5 runners | 60 | A$0.50 | A$30.00 |
| First four box | 6 runners | 360 | A$0.10 | A$36.00 |
| Quaddie | 3 × 2 × 2 × 4 picks | 48 | A$1.00 | A$48.00 |

Adding one runner to a box raises the cost sharply: from 4 to 5 runners, the trifecta count goes from 24 to 60.

**Where this stands:** cost is combinations times unit, and it climbs quickly as selections are added.

## How the payout is formed

Exotic bets are settled from a pool. Stakes are collected, an amount is deducted, and the remainder is shared among winning tickets. The dividend is therefore not known when you bet.

A withdrawn runner affects the field; see [scratchings and deductions](https://bookiechecklist.com/scratchings-and-deductions/). The pooled model is compared with fixed prices in [fixed odds or tote](https://bookiechecklist.com/fixed-odds-or-tote/).

**Where this stands:** the dividend comes from a shared pool and is unknown until the race is run.

## Rules still to be read

**Facts for this page · source: operator and organiser rules · checked 2026-11-13**

| Fact | Source to read | Status |
|---|---|---|
| Pool deduction for each exotic type | Organiser or operator rules | Not confirmed on 2026-11-13 |
| Minimum unit stake | Operator racing rules | Not confirmed on 2026-11-13 |
| Quaddie rules on a scratched leg | Organiser rules | Not confirmed on 2026-11-13 |

Exotics exist in all three codes: see [horse racing](https://bookiechecklist.com/horse-racing-betting-australia/), [harness racing](https://bookiechecklist.com/harness-racing-betting-australia/) and [greyhound racing](https://bookiechecklist.com/greyhound-racing-betting-australia/). To read a field first, see [how to read a racing form guide](https://bookiechecklist.com/read-a-racing-form-guide/).

**Where this stands:** the counting is derived; pool rules and minimum units are not yet read.

## 18+ only. Gamble responsibly.

18+ only. Gambling can be harmful. Need help? Call [Gambling Help Online](https://gamblinghelponline.org.au) on 1800 858 858 (free, 24/7) or visit gamblinghelponline.org.au.

To exclude yourself from licensed Australian online and phone wagering providers, register with [BetStop](https://www.betstop.gov.au) at betstop.gov.au. We are not a bookmaker and do not take bets.

**Where this stands:** free help and exclusion routes exist and are named above.

## FAQ

**What is a trifecta?**

A trifecta is a bet that picks the first three runners home in exact order. A straight trifecta is one combination.

**What is a quaddie?**

A quaddie is a bet on the winners of four races. You pick one or more runners in each leg, and every leg must be won by one of your picks.

**How many combinations does a box trifecta cover?**

A box of 4 runners covers 4 × 3 × 2 = 24 combinations. At an A$1 unit, that costs A$24.00.

**How is the payout of an exotic bet decided?**

Stakes go into a pool, an amount is deducted, and winners share the rest. The deduction and the dividend rules are not yet read and are not confirmed on 2026-11-13.