See how much margin the book has baked into a market.
Hold is the book's built-in margin: the sum of every side's implied probability minus 100%. A standard -110/-110 spread market holds about 4.5%. Three-way soccer markets often hold more.
Lower hold means better prices for you. Comparing hold across books on the same game is one of the simplest ways to find the better place to bet.
Strip the juice from any two-way line and see the fair price.
Check what a bet is worth given your odds and your win probability.
Combine up to eight legs and see the true payout and implied odds.
Work out the hedge stake that locks in the same profit either way.
Size a bet from your edge and bankroll with the Kelly formula.
See what a bonus or free play is really worth after the rollover.