A deep dive into market movements and how to spot horses the public is ignoring.
The betting market is the world's largest decentralised forecasting machine. Millions of dollars flow through TAB and corporate bookmakers every race day, encoding the collective wisdom - and collective biases - of thousands of punters. Knowing how to read and challenge that wisdom is the key to finding undervalued horses.
~108%
Average TAB overround - the built-in profit margin
15 min
Before jump: when 'smart money' typically moves
3–5%
Edge needed for long-term profitability
Early Odds vs Late Odds: Two Different Signals
Early odds (the morning line) reflect the bookmaker's initial assessment and are more susceptible to being wrong. Late odds - particularly in the 10–15 minutes before the jump - incorporate the most informed money in the market. Watching how a horse moves between these two price points tells you a great deal.
- Firming odds (e.g. $6.00 → $4.00): money has come for this horse, often from informed sources
- Drifting odds (e.g. $4.00 → $7.00): market is losing confidence - check for late scratchings, barrier queries, or gear changes
- Stable odds: the market has no new information and is settled
What Is an Overlay?
An overlay is a horse whose market odds are higher than its true probability justifies. They most commonly appear when a race has a dominant, hyped favourite: the flood of public money on the favourite artificially inflates every other runner's odds - including horses with genuine winning chances.
The favourite is not your competition. The market is. Beat the market, not the horse.
1. Use Racing Ready to get the model probability for each runner.
2. Convert the TAB price to implied probability (1 ÷ odds × 100).
3. If model probability > implied probability by more than 5%, you likely have an overlay.
4. Cross-check with recent form and barrier draw before committing.
Market Movers Worth Following
Not every market move is meaningful. A horse that firms from $51 to $26 is still a very long shot. The most profitable market moves to follow are in the $5 to $15 range, where a meaningful shift (15%+) in price indicates genuine stable confidence that the general public hasn't yet acted on.
Market movements can be manufactured. Syndicates sometimes place early bets to create the appearance of confidence, then lay the horse on exchanges. Always combine market signals with your own form analysis and Racing Ready's model probability.
Frequently Asked Questions
Where can I track market movements in real time?
TAB's website and app show live fluctuations on Australian races. Punters.com.au and Racing.com also offer free odds tracking tools. Some paid services provide more granular movement data.
Is following market moves a reliable strategy on its own?
No. Market moves are one signal among many. Used in isolation, following the money produces modest results. Combined with form analysis and a probability model, it becomes a powerful filter.
Does the overround affect my returns?
Yes. The overround (typically 107–110% on TAB) means that if you bet every horse in a race, you'd spend $1.08 to win $1.00 back on average. This is why finding genuine value - where your edge exceeds the overround - is essential.