Is Your Bet Worth It?
Verify your edge before you bet.
We compare odds across 400+ books
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What is the Bet Checker?
The Bet Checker is a free tool that calculates the expected value of any sports bet. It compares the odds your sportsbook offers against fair market odds derived from 400+ bookmakers, then tells you whether you have a profitable edge or you're overpaying.
How It Works
- 1
Pick Your Event
Search from thousands of upcoming events across all major sports.
- 2
Select Your Bet
Choose the market, period, and selection you want to check.
- 3
Get Your Analysis
See your EV, fair odds, rating, and where to find better lines.
Frequently Asked Questions
What is the Bet Checker?
The Bet Checker is a free tool that analyzes any sports bet by comparing your odds against fair market odds calculated from 400+ bookmakers. It tells you whether you have a positive or negative expected value.
What is Expected Value (EV)?
Expected Value is the average amount you would win or lose per bet over the long run. Positive EV (+EV) means the bet is profitable over time. Negative EV (-EV) means the sportsbook has the edge.
How are fair odds calculated?
We aggregate odds from hundreds of bookmakers, remove the built-in margin (vig), and calculate the true probability of each outcome. The result is the fair odds, free from any sportsbook markup.
Is this tool really free?
Yes. The Bet Checker is completely free with no limits. Create a free account to also see which bookmakers are offering better odds for your bet.
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