Chasing losses means betting again, usually with bigger stakes, at longer prices or more often, to win back money you have already lost. Every extra bet is priced with the bookmaker's margin built in, so a chase raises the expected loss instead of cancelling it. In the illustrative example below, one $150 bet at $1.80 to recover a $120 loss leaves you $129.60 down on average, not $120.
The urge to chase is common and strong, and it leans on a belief the maths does not support: that a win is due. What stops a chase is a limit set before the first bet, not a decision made halfway through a losing run.
What chasing looks like
Gambling Help Online describes chasing losses in gambling as continuing to gamble, often in an increasingly risky way, to win back money you have lost. It goes in two directions, often at once: more money on each bet, or more bets in less time. It rarely feels like a decision, and usually looks like one of these:
- raising the next stake so that one win covers everything lost so far
- switching to a longer price to get it all back in one bet
- betting on races or games you would normally skip, such as an overnight race at a track you do not follow
- adding legs to a multi until the return is big enough to square the day
- topping up the account as soon as it hits zero, or pulling back a withdrawal you had already requested
- coming back the next day with a plan to get even
- telling betting software to stake more after a bad day, for example by lifting its maximum stake or removing a loss stop.
Why the urge to win it back is so strong
A loss feels unfinished. Getting back to where you started feels like the end of the problem, so the next bet looks like a repair rather than a fresh risk. Gambling Help Online gives examples of the thinking behind it: "I just need to win back what I've lost" and "Eventually, one of my bets will pay off."
Other thinking traps feed the same urge:
- The belief that a win is due: that a run of losses makes the next win more likely.
- The near miss: a win bet beaten by a nose pays nothing, exactly like one beaten by ten lengths, but it feels like being close.
- The day's ledger: wanting to finish today square, as if the account resets at midnight. It does not; the money was gone when each bet settled.
- Mood: stress, frustration, tiredness and boredom all make a quick fix look better than it is.
The feeling is strongest straight after a loss, which is exactly when stakes tend to climb. That timing is why the stop has to be chosen before the first bet, not during the run.
What a chase costs, worked through
Take an illustrative evening. You are $120 down. To get back to even with one bet, the stake has to be:
stake = amount lost / (decimal odds - 1)
At $1.80 that is $120 / 0.80 = $150. Suppose the true chance of that bet winning is 52% (an illustrative figure, below the 55.6% that $1.80 implies, because the bookmaker's margin is built into the price).
Four ways the evening can go, with illustrative prices and chances:
| Plan | Money staked | Chance of ending square | Result if it fails | Average result |
|---|---|---|---|---|
| Stop now | $0 | 0% | -$120 | -$120 |
| One bet at $1.80 | $150 | 52% | -$270 | -$129.60 |
| One bet at $6.00, true chance 15% | $24 | 15% | -$144 | -$122.40 |
| Up to three bets at $1.80, each sized to get back to even | up to $1,246.88 | 88.9% | -$1,366.88 | -$151.17 |
The working:
- One bet at $1.80: average = 0.52 x $0 + 0.48 x -$270 = -$129.60. The extra $9.60 is the margin on the chase stake: $150 x (1 - 0.52 x 1.80) = $150 x 0.064 = $9.60.
- One bet at $6.00: stake = $120 / 5 = $24, and average = 0.85 x -$144 = -$122.40. It costs less on average only because less is staked, and 85% of the time you finish deeper than $120.
- Three bets at $1.80: each stake is everything lost so far divided by 0.80, so $150, then $270 / 0.80 = $337.50, then $607.50 / 0.80 = $759.38. All three lose with chance 0.48 x 0.48 x 0.48 = 0.110592, about 11.1%, leaving $120 + $150 + $337.50 + $759.38 = $1,366.88 lost. Average = 0.110592 x -$1,366.88 = -$151.17.
The last row is the one that fools people. Nearly nine evenings in ten, the chase works, and those are the evenings you remember. The tenth costs more than 11 times the original loss, and across all of them the plan leaves you $151.17 - $120 = $31.17 worse off on average than stopping. Whatever the price, a chase puts more money through the market, and the margin applies to every dollar of it; bookmaker margin shows where that cost comes from.
Why a win is never due after a losing run
Underneath a chase usually sits the belief that losing makes the next win more likely. Gambling Help Online calls it the gambler's fallacy, the mistaken belief that previous results can influence future random events, as in "I haven't won for a while, so I'm due for a win".
With illustrative numbers: you place five separate bets at $2.40, each with a true 40% chance. The chance all five lose is 0.60 x 0.60 x 0.60 x 0.60 x 0.60 = 0.07776, about 7.8%, or roughly 1 set of five in 13, so a run like that turns up regularly over a season. The sixth bet still has a 40% chance. No race or game knows your record, so five losses buy nothing except the urge to raise the stake on the sixth.
The gambler's fallacy entry explains the idea in full, including its mirror image, and losing streaks in betting shows how long ordinary losing runs get at each price.
Staking systems are chasing with a formula
Some systems write the chase down in advance. The martingale betting system doubles the stake after every loss; Fibonacci, D'Alembert and Labouchere raise it more slowly. Each one sets the next stake from what you have lost, which is the three-step chase above turned into a rule. None of them changes a price or a chance, so none changes what a single bet is worth on average. Betting systems that don't work tests each one.
Circuit breakers that stop a chase
Gambling Help Online suggests taking a break and accepting that the money is gone. The breakers below make that easier, and they work best set up on a calm day:
| Breaker | How it stops a chase | Starting and undoing it |
|---|---|---|
| A written stop for each session | Ends the day at a loss you chose in advance | Yours to keep; tell someone the figure |
| Deposit limits, one per bookmaker | Puts a ceiling on the fresh money a losing run can draw on | Lowering works straight away; raising waits 7 days |
| Withdrawing winnings | Takes money out of reach of the next bet | Withdraw when a bet settles in your favour |
| A break at each account | Locks the account for a period you choose | The bookmaker's terms decide if it can end early |
| BetStop | Shuts every account you hold with an online or phone provider licensed in Australia | 3 months to a lifetime; can be extended, never shortened |
| A call or chat with a counsellor | Talks through the urge while it is happening | 1800 858 858, 24 hours a day, 7 days a week |
A deposit limit is the breaker that holds even when you want it gone. With illustrative figures: your weekly limit at one bookmaker is $300, the account is otherwise empty, and you deposited and lost the $120 earlier in the week, so $180 of the limit is left. The first $150 chase fits. If it loses, only $30 remains and the $337.50 second step cannot be funded, so the week's loss at that bookmaker stops at $300 at most, against $1,366.88 for the full three-step chase.
That cap covers one account only: a limit set at one bookmaker does nothing at another, so set one at every account you keep, or use BetStop to close them all. Asking for a higher limit does not rescue the chase: under the national framework an increase applies only 7 days after you ask, while a decrease applies at once. Deposit limits explained covers choosing one.
Risk: Betting involves risk. No limit, system or price turns a chase into a plan, and the money lost before it is gone either way. See responsible gambling for support and the tools that stop a chase.
Mistakes that turn a bad day into a bad month
Using the illustrative figures from this page:
| Mistake | What it costs |
|---|---|
| Sizing the next bet to get back to even | A chase that starts with a $120 loss needs a $759.38 stake by its third step, sized to win back $607.50 |
| Jumping to a long price to win it back in one go | At $6.00 the bet loses 85% of the time, leaving you $144 down instead of $120 |
| Betting on events you would normally skip | More turnover at the same margin: each extra $50 at a 6.4% edge against you costs $50 x 0.064 = $3.20 on average |
| Telling yourself you will stop once you are square | The target moves: after one failed $150 chase, square is $270 away |
| Asking for a higher deposit limit mid-chase | Nothing tonight, because an increase waits 7 days; lower it instead |
| Borrowing to keep going | A betting loss becomes a debt you repay with interest |
Where to get help
Chasing shows up in the self-checks too, and signs of a gambling problem walks through the free Problem Gambling Severity Index self-assessment and the other warning signs.
- Ring 1800 858 858 for the National Gambling Helpline, or start a chat on Gambling Help Online. Both are free and confidential, 24 hours a day, 7 days a week, and open to family and friends as well as the person who bets.
- If money is tight, free financial counselling is on 1800 007 007, the National Debt Helpline, on weekdays.
- If you feel unsafe, Lifeline answers on 13 11 14, and 000 is for emergencies.
The responsible gambling tools hub explains every limit and block, and gambling help services compares the services side by side.