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Calculate level-profit stakes for arbing, trading and dutching


Arb Cruncher is an online sports betting calculator that calculates the stakes required to earn level profits from arbitrage betting, trading and dutching. All calculations take into account multiple betting exchange commission rates, allowing you to make accurate stake calculations for both inter-exchange arbing and intra-exchange trading. Arb Cruncher is completely free!

» Open Arb Cruncher online betting calculator (full-page version)
» Launch popup betting calculator

Example of greening up after a price movement

Calculator screenshot (intra-exchange trading)
This screenshot shows Arb Cruncher being used to calculate how to green up after a horse that you layed at 1.15 for £1,000 has drifted to 1.44 on the same betting exchange. If you place £798.61 on the horse at 1.44, you will win £191.32 after 5% commission, whatever the result.

Arbing - exploit price discrepancies for a guaranteed profit


Arbitrage betting exploits price discrepancies for a guaranteed profit, whatever the result. You can do this either by backing (laying) all selections in an underround (overround) book, or by backing and laying the same selection with different bookies/exchanges when its Back price is higher than its Lay price. These bets are often known as surebets.

» Back all selections for a guaranteed profit
» Lay all selections for a guaranteed profit
» Arb Back and Lay prices


Trading - exploit price movements for a guaranteed profit


Trading is a form of backing and laying that exploits price movements on the exchanges. For example, if you think that a selection's price will rise, you would lay it now and back it later at the higher price to lock in an immediate profit. This is also know as greening up or getting an all-green book, due to the color of your P&L on all selections on Betfair.

» Green up after price movements

BinarySoft BDI - The revolutionary new way to trade on Betfair

Dutching - earn level profits from multiple selections


Dutching is a type of betting that involves spreading your stake over multiple selections so that you would win a level profit if either of them wins. As it is often easier to pick out losers instead of winners, you can also lay dutch selections that you don't fancy. Arb Cruncher also calculates the optimal stakes for each way dutching.

» Dutch up to 10 selections
» Lay dutching


Extract more value using synthetic betting techniques


Instead of just taking the published Draw No Bet price, you can often hedge against the draw more efficiently by placing two separate bets on the Win and the Draw. You can also increase the actual fixed odds of a selection by buying its 25:10 win index (windex) with a spreadbetting company and backing its opponent in the fixed odds market. Arb Cruncher shows you how to place these bets.

» Get better odds by combining a spread bet with a fixed odds bet
» Hedge against the draw with a synthetic Draw No Bet


Increase your betting profits with essential calculations


In addition to its stake calculators, Arb Cruncher also boasts an extensive array of specialised calculators that perform essential betting calculations for efficient and profitable sports betting. All in all, Arb Cruncher contains 12 Flash betting calculators to cater to all your betting needs.

» Trade a profitable or loss-making position into breakeven
» Calculate your winnings from multiple bets
» Calculate the number of available permutations
» Obtain the Back equivalent of Lay prices
» Calculate how much you can afford to lay within a given liability
» Calculate the implied probability of a price


Enjoy on-the-fly calculations with the downloadable IE toolbar


The Arb Cruncher toolbar allows you to perform quick arbitrage and trading calculations inside your IE browser toolbar while viewing other pages. The toolbar's dropdown menu also provides immediate 1-click access to the online popup calculator and other essential betting sites.

The Arb Cruncher toolbar only works in Internet Explorer browsers (IE5 or later), and on Windows 98, NT, ME, 2000 or XP operating systems. It is not supported by Vista.

» Download the Arb Cruncher toolbar


Toolbar screenshot (arbing with B/B)
Click the image above to see the toolbar being used to calculate the stakes required to dutch Arsenal (1.90) and Man Utd (3.0) to win the Premiership for a level return of 15.51%, after commission of 5%.



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