💡 Value Bet Calculator

Betting with an edge means finding odds where the bookmaker's implied probability is lower than the true probability. Enter your estimated win chance and the bookmaker's odds to see if there's value.

Your Estimated Win Probability 50%

True Probability (%)

Your own estimate

Bookmaker Decimal Odds

From Betway, Hollywoodbets etc.

Stake (R)

Number of Similar Bets

For long-run projection

Expected Value per R100

+R0.00

Your Probability

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Implied Probability

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Edge

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Break-even Odds

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Expected Profit

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Long-run (n bets)

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What is a Value Bet?

A value bet occurs when you believe the probability of an outcome is higher than what the bookmaker's odds imply. If you think Mamelodi Sundowns has a 60% chance of winning, but the odds imply only 50%, that's a value bet.

EV = (True Probability × Profit) – (Lose Probability × Stake)
Positive EV = value bet ✅ | Negative EV = no value ❌

No single bet is guaranteed to win — but consistently finding positive EV bets means you'll profit over hundreds of bets. Professional bettors focus on EV, not individual results.

How to Estimate True Probability

This is the hard part. Useful starting points: team form over last 5 games, head-to-head record, home vs away stats, injury news, Polymarket prediction markets (our homepage shows these), and comparing odds across multiple bookmakers (sharp bookmakers like Betfair often have the most accurate lines).