Arbitrage Calculator
Find locked-in profit opportunities by betting both sides across different sportsbooks.
Arbitrage Calculator
When two sportsbooks are far enough apart on the same market, you may be able to bet both sides and lock in profit. That is what an arbitrage calculator is for. It tells you whether the gap is wide enough, how much to place on each side, and what the final profit looks like once both bets are sized correctly.
The edge here comes from price, not prediction. You are not trying to out-handicap the market. You are taking advantage of two books disagreeing with each other for a short window. That happens more often than casual bettors realize, especially when books move at different speeds or shade action differently.
A good sports betting arbitrage calculator removes the guesswork. Put in the odds, put in your stake, and it shows the exact hedge amount. If you are line shopping seriously, this is one of the cleanest ways to turn a pricing mistake into a real betting opportunity.
Frequently Asked Questions
What is arbitrage in sports betting?
Arbitrage betting is when two sportsbooks are far enough apart on the same market that you can bet both sides and lock in profit. The key is having access to multiple books and comparing prices aggressively. One book might be too high on one side, while another is too high on the other. When that gap is wide enough, the math works.
This is not about predicting the game better than everyone else. It is about finding a pricing mistake between books and sizing both bets correctly.
How is arbitrage calculated?
Arbitrage is calculated using the odds on both sides of the market and then figuring out how to split your stake so the payout is aligned either way.
For example, say one book has Team A at -150 and another has Team B at +175. That gap may create an arbitrage opportunity.
If you bet:
$150 on Team A at -150, your total payout is $250 $90.91 on Team B at +175, your total payout is about $250
Your total outlay would be $240.91, and your return would be about $250 no matter which side wins. That leaves roughly $9.09 in profit.
That is what an arbitrage calculator handles for you. Instead of doing the math by hand, it tells you the hedge amount instantly.
How do you use an arbitrage calculator in sports betting?
Using an arbitrage betting calculator is simple. Enter the odds for both sides of the market, then enter the amount you want to bet on one side. The calculator will show the correct stake for the other side and the projected profit.
The important part is understanding that as your first bet gets larger, the hedge bet gets larger too. Bigger arb, bigger outlay. The calculator helps with the math, but you still need to be comfortable tying up that amount of capital across multiple books.