Analysis of Arb Cruncher's stake calculations

This page shows breakdowns of all the stake calculations performed by Arb Cruncher. As well as demonstrating the accuracy of Arb Cruncher and showing you how the final Profit figure is reached in Arb Cruncher, these potted breakdowns are also intended to provide a clear and concise overview of each of the popular betting techniques that Arb Cruncher can be applied to.

Arb Cruncher does not currently perform calculations for online poker. We are planning to launch a new online poker calculator in the coming months, but until then are happy to recommend the excellent free online poker calculator provided by Texas Calculatem.

Please note that, in the examples shown below, * indicates that commission has been deducted from net profit. If all bets are placed on the same betting exchange, commission is deducted from the net market profit, as opposed to the profit of the winning selection.

Book arbitrage Back all selections for a guaranteed profit when book is less than 100%.

Bets Stake @ Price Betting Site A wins  B wins  C wins  Back A £100.00 @ 2.25 Bookmaker +£125.00* -£100.00* -£100.00* Back B £69.23 @ 3.25 Bookmaker -£69.23* +£155.77* +£69.23* Back C £45.00 @ 5.00 Bookmaker -£45.00* +£45.00* +£180.00* Net Profit +£10.77* +£10.77* +£10.77*

View Arb Cruncher screenshot of this calculation Back/Lay arbitrage Back and lay the same selection on different betting sites for a guaranteed profit. Bets Stake @ Price Betting Site A wins  Back A £500.00 @ 2.50 Betfair (5%) +£712.50* -£500.00* Lay A £534.14 @ 2.30 Betdaq (3%) -£694.38* +£518.22* Net Profit +£18.12* +£18.12*

View Arb Cruncher screenshot of this calculation Greening up after a price rise Lay first and back later at a higher price to lock in a level profit. Bets Stake @ Price Betting Site A wins    Lay A £1,000.00 @ 1.10 Betfair (5%) -£100.00* +£1,000.00* Back A £956.52 @ 1.15 Betfair (5%) +£143.48* -£956.52* Net Profit +£41.31* +£41.31*

View Arb Cruncher screenshot of this calculation Greening up after a price fall Back first and lay later at a lower price to lock in a level profit. Bets Stake @ Price Betting Site A wins    Back A £100.00 @ 5.00 Betfair (5%) +£400.00* -£100.00* Lay A £125.00 @ 4.00 Betfair (5%) -£375.00* +£125.00* Net Profit +£23.75* +£23.75*

View Arb Cruncher screenshot of this calculation Dutching Back multiple (not all) selections for a level profit if one of them wins. Bets Stake @ Price Betting Site A wins  B wins  C wins  Back A £100.00 @ 4.00 Betfair (5%) +£300.00* -£100.00* -£100.00* Back B £80.00 @ 5.00 Betfair (5%) -£80.00* +£320.00* -£80.00* Net Profit +£209.00* +£209.00* -£180.00*

View Arb Cruncher screenshot of this calculation Laying a book Lay all selections for a guaranteed profit, if book is over 100%. Bets Stake @ Price Betting Site A wins  B wins  C wins  D wins Lay A £5,000.00 @ 1.80 Betfair (5%) -£4,000.00* +£5,000.00* +£5,000.00* +£5,000.00  Lay B £1,800.00 @ 5.00 Betfair (5%) +£1,800.00* -£7,200.00* +£1,800.00* +£1,800.00* Lay C £1,500.00 @ 6.00 Betfair (5%) +£1,500.00* +£1,500.00* -£7,500.00* +£1,500.00* Lay D £1,285.71 @ 7.00 Betfair (5%) -£1,285.71* -£1,285.71* -£1,285.71* -£7,714.26* Net Profit +£556.42* +£556.42* +£556.42* +£556.45*

View screenshot of this calculation  |  Open the Multilay calculator Lay dutching Lay multiple (not all) selections for a level profit if none wins and a level loss if one of them were to win. Bets Stake @ Price Betting Site A wins  B wins  C wins  D wins Lay A £372.84 @ 1.82 Betfair (5%) -£305.73* +£372.84* +£372.84* +£372.84* Lay B £178.57 @ 3.80 Betfair (5%) +£178.57* -£500.00* +£178.57* +£178.57* Net Profit -£127.16* -£127.16* +£523.84* +£523.84*

View screenshot of this calculation  |  Open the Multilay calculator Dutching each way on the win Back multiple selections each way for a level profit if one of them wins. Bets Stake @ Price Bet type A wins  A placed  B wins  B placed Back A each way £200.00 @ 17.00 (= £200.00 x 2) Win bet +£3,200.00* -£200.00* -£200.00* -£200.00* Place bet +£800.00* +£800.00* -£200.00* -£200.00* Back B each way £137.50 @ 25.00 ( = £137.50 x 2) Win bet -£137.50* -£137.50* +£3,300.00* -£137.50* Place bet -£137.50* -£137.50* +£825.00* +£825.00* Net Profit +£3,725.00* +£325.00* +£3,725.00* +£287.50*

View screenshot of this calculation  |  Open the Dutch Each Way calculator Dutching each way on the place Back multiple selections each way for a level profit if one of them is placed. Bets Stake @ Price Bet type A wins  A placed  B wins  B placed Back A each way £200.00 @ 17.00 (= £200.00 x 2) Win bet +£3,200.00* -£200.00* -£200.00* -£200.00* Place bet +£800.00* +£800.00* -£200.00* -£200.00* Back B each way £142.86 @ 25.00 ( = £142.86 x 2) Win bet -£142.86* -£142.86* +£3,428.64* -£142.86* Place bet -£142.86* -£142.86* +£857.16* +£857.16* Net Profit +£3,714.28* +£314.28* +£3,885.80* +£314.30*

View screenshot of this calculation  |  Open the Dutch Each Way calculator Hedging against the draw Back both the win and the draw so that you profit from a win and break even with a draw. Bets Stake @ Price Betting Site A wins  Draw  B wins  Back A £250.00 @ 2.25 Betfair (5%) +£312.50* -£250.00* -£250.00* Back Draw £94.34 @ 3.65 Betfair (5%) -£250.00* +£250.00* -£94.34* Net Profit +£207.25* +£0.00* -£344.34*

View screenshot of this calculation  |  Open the Draw No Bet calculator Squaring a profitable position Lay a selection so that its P&L moves from profitable to breakeven. Bets Stake @ Price Betting Site A's P&L  B's P&L  C's P&L  Position before bet Betfair (5%) +£180.00* +£0.00* -£100.00* Lay A £94.34 @ 3.65 Betfair (5%)   Position after bet Betfair (5%) +£0.00* +£73.47* -£26.53*

View screenshot of this calculation Squaring a loss-making position Back a selection so that its P&L moves from loss-making to breakeven. Bets Stake @ Price Betting Site A's P&L  B's P&L  C's P&L  Position before bet Betfair (5%) -£100.00* +£250.00* £0.00* Back A £75.19 @ 2.33 Betfair (5%)   Position after bet Betfair (5%) +£0.00* -£174.81* -£75.19*

View screenshot of this calculation