All Betting Tools & Calculators

Live Odds Board

Every bookmaker's price for upcoming matches, on one screen.

Arbitrage Scanner

Sure bets: the best price on each side, across every book.

+EV Scanner

Bets that pay more than they should, biggest edge first.

Sharp Money

Where bookmakers disagree most - where the smart money moves.

Fantasy Optimizer

Compare predictions with each book's player line and win chance.

Bet Alerts

A browser alert the moment a new sure bet appears.

Parlay Builder

Pick matches, see your combined odds and payout instantly.

Sportsbook Promos

Deposit bonus offers, ranked by their real value after the rules.

Steam Moves

Big, fast odds moves, detected automatically.

Arbitrage Betting Tool

Lock in profit by betting both sides across books. Enter the best odds for each outcome.

Positive EV Betting Tool

Check whether a price beats the fair line. Enter your odds and your estimated win probability.

Low Hold Betting Tool

Find the tightest market for clearing bonuses and playthrough requirements.

Middles Betting Tool

Special bets where both sides can win at once if the final number lands between the two lines.

Expected Value Calculator

The expected return of a bet given a win probability.

No-Vig Fair Odds Calculator

Strip the vig off a market to get the book's true fair probabilities.

Odds Converter Calculator

Convert between American, Decimal, Fractional, Hong Kong, Malay and Indonesian odds.

Kelly Calculator

The mathematically optimal stake for your edge and bankroll.

Parlay Calculator

Combined odds and payout for a multi-leg parlay.

Round Robin Calculator

Every smaller parlay inside a set of legs.

Vig Calculator

The book's cut on a two-way market.

Hold Calculator

How much a book keeps from every dollar wagered on a market.

Half Point Calculator

Should you buy the half point? Compare EV before and after moving off a key number.

Bonus Bet Conversion Calculator

Turn a free bet into guaranteed cash.

Poisson Calculator

Score distribution and over/under probabilities from expected goals.

Point Spread Calculator

Fair probabilities and stakes for a spread market.

Deposit Bonus EV Calculator

How much of a book's first-deposit bonus you actually keep after the rollover.

What is Arbitrage Betting?

Arbitrage betting locks a profit regardless of the outcome by covering every result across…

What is Positive EV in Sports Betting?

A positive expected value bet pays more than its true probability warrants. If your estima…

What is a Moneyline?

The moneyline is a straight bet on who wins, with no point spread. Negative prices show ho…

What is a Point Spread?

The spread is a handicap set by the book so both sides carry roughly equal price. Bet the …

What is an Over Under?

An over/under bets the combined score of a game rather than the winner. The book sets a li…

What is Juice?

Juice (vig, cut, hold) is the book's commission built into the price. On -110/-110 markets…

What is Closing Line Value?

Closing line value measures whether you beat the market: bet a side at better odds than th…

What is an Odds Boost?

An odds boost is a promoted price improved by the book. It only matters if the boosted pri…

What is a Deposit Bonus?

A deposit bonus credits extra funds proportional to your first deposit. The credits are us…

What is a Signup Bonus Bet?

A signup bonus bet is a free wager given on registration. Conversion tools turn it into wi…

What is a Bonus Bet?

A bonus bet pays profit only, not the stake, so its real value is roughly 60-80% of its fa…

What is a Site Credit?

Site credit behaves like a bonus bet: wager it once, keep only the winnings. Convert it at…

What is an Accumulator?

An accumulator (combo, acca) bundles several picks into one bet - every leg must win. The …

What is 1X2 Betting?

1X2 is the classic three-way football market: 1 = home win, X = draw, 2 = away win. Bookma…