Betting math, without the guesswork.
The same questions every disciplined bettor asks: did I beat the close, is this number still worth it, how big should I bet and what's the fair price? Free, private and in your browser.
CLV calculator
Did you beat the closing line? CLV in points and implied probability.
Open the calculatorIs my line still playable?
Posted number vs your book's number: bet, bet smaller or pass.
Open the calculatorUnit size & bankroll calculator
Turn a bankroll into a unit, picks into dollars, and stress-test a cold streak.
Open the calculatorOdds converter & no-vig calculator
American, decimal and implied probability, plus vig and no-vig fair prices.
Open the calculatorWhy these four
Long-run betting results come down to two things you control: the number you get and how much you bet. Closing-line value tells you whether your numbers are good. The line check stops you chasing a number that has already moved. Unit sizing keeps a cold week from becoming a broken bankroll, and the odds converter shows what every price really costs.
These are the same ideas behind every Market Line Labs alert: the line, the price, a playable-to number and a unit size, graded in public after the final.
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