Laying is betting against an outcome.
If backing means “I want this to happen”, laying means “I want this not to happen.”
Instead of backing the Lakers to win, you lay the Lakers. If the Lakers do not win, your lay bet wins. If the Lakers win, your lay bet loses.
Backing means betting for an outcome. Laying means betting against that outcome.
The easiest way to think about it
When you place a normal bet at a sportsbook, you are backing something to happen.
When you lay a bet on a betting exchange, you are taking the other side of someone else’s bet.
You are effectively saying:
“I’ll pay you if this selection wins. But if it does not win, I keep your stake.”
That is one of the key mechanics behind traditional matched betting.
A simple example
Say someone wants to back the Yankees at decimal odds of 5.00 with a $50 stake.
If you lay that bet, you are taking the opposite side.
- If the Yankees do not win, you keep the other person’s $50 stake.
- If the Yankees win, you pay out their profit.
At odds of 5.00, a $50 back bet returns $250 in total. That is $200 profit plus the original $50 stake.
So if you lay that $50 bet at 5.00, your possible profit is $50.
Your possible loss is $200.
That possible loss is called liability. We’ll cover that properly in the next lesson.
Why laying matters for matched betting
Matched betting works by covering the outcome you have backed.
You might back a team with a sportsbook, then lay the same team on an exchange.
That means:
- If the team wins, your sportsbook bet wins and your lay bet loses.
- If the team does not win, your sportsbook bet loses and your lay bet wins.
Done properly, both outcomes land in roughly the same place.
That is how you remove most of the normal betting risk and lock in the value from the promo.
In some regions, especially where exchanges are limited, you may cover the other side with a hedge bet at another sportsbook instead of a lay bet on an exchange. The goal is the same: cover the outcome and calculate the stakes correctly.
EdgeHunters has partnered with Matchbook, currently the only betting exchange operating in Canada. If you are in Canada and want to use an exchange for laying, you can sign up here: Join Matchbook .
Back bet vs lay bet
- Back bet: you profit if the selection wins.
- Lay bet: you profit if the selection does not win.
- Back stake: the amount you place on the selection to win.
- Lay stake: the amount you can win if the selection does not win.
- Liability: the amount you need available if your lay bet loses.
What beginners usually get wrong
The most common mistake is thinking the lay stake is the amount you can lose.
It is not.
The lay stake is what you can win if the selection does not win.
The liability is what you can lose if the selection does win.
That distinction matters, especially at higher odds.
The key takeaway
Laying lets you bet against an outcome.
In matched betting, a lay bet can be used alongside a sportsbook back bet so the result matters far less than it would in a normal bet.
The promo is where the profit comes from. The lay bet is one way of controlling the risk.
Next up: What is liability? The number every matched bettor needs to understand before placing a lay bet.
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