Level-profit betting calculator for arbing, trading and dutching


Arb Cruncher is an online sports betting calculator that calculates level-profit stakes for arbitrage betting, trading and dutching (inc.lay dutching). Packed with 17 betting calculators, it also performs many other useful calculations for Asian handicap betting, binary betting, price inversion, implied probability, the Kelly criterion and much more.


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Different types of level-profit betting
Arbing: Exploitating existing price differentials for a guaranteed profit.
Trading: Betting on price movements for a level profit (greening up).
Dutching: Backing multiple selections for a level profit if either wins.
Quick guide to main calculators
Multiback: Back an overround book or dutch winners.
Multilay: Lay an underround book or dutch losers.
Back/Lay: Arb Back and Lay prices or trade on price movements.
Draw No Bet: Create your own synthetic DNB bet.

Enhanced Back/Lay calculator with profit breakdown


In response to the popularity of Arb Cruncher's greening-up Back/Lay calculator, we have released an enhanced version that also provides a detailed breakdown of the profit and commission figures, for both same-market and cross-market calculations. We hope this will give you a better understanding of the inner workings of back/lay arbing and trading on betting exchanges and with bookies!


Open enhanced Back/Lay betting calculator in popup window


How to trade on price movements
To trade on a price rise, lay first and back later after the price has lengthened.
To trade on a price fall, back first and lay later after the price has shortened.
The most lucrative type of trading is same-market trading on a price rise from a very short price.
How to arb Back and Lay prices
To arb Back and Lay prices, back a selection in one exchange/bookie and lay it simultaneously at a higher price in another exchange. You therefore can't arb Back and Lay prices in the same market.
Most Back/Lay arbs occur when bookies are slow to shorten their coupon prices.

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