Arb Cruncher - free online sports betting calculator

• Backing all selections for a guaranteed level profit (arbing an underround book)
• Dutching multiple selections for a level profit (if one of them wins)

• Laying all selections for a guaranteed level profit (laying an overround book)
• Lay dutching multiple selections for a level profit (if all of them lose)

• Locking in a guaranteed level profit after a price rise (greening up)
• Locking in a guaranteed level profit after a price fall (greening up)
• Arbing Back and Lay prices simultaneously for a guaranteed level profit

• Backing multiple selections each way for a level profit if one of them wins
• Backing multiple selections each way for a level profit if one of them is placed

• Backing both the Win and the Draw so that you profit from a Win and break even from the Draw

• Creating more value by combining a fixed odds bet with a spread bet

• Your winnings from a range of different permed bets (multiples)

• Trading a winning selection into a breakeven position (P&L=0)
• Trading a losing selection into a breakeven position (P&L=0)

• The Back equivalent of Lay prices (and, by definition, vice versa)

• Your liability on a Lay bet
• How much you can afford to lay for a given liability

• The implied probabily of any given price
• The mathematically correct price for any given probability

Enjoy on-the-fly calculations with the downloadable IE 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%.