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.

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


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