## Are the Odds Value?

Are the odds value? When trying to decide whether the odds available are good enough to bet on, check the percentage chance they equate to and ask yourself if you agree or not. If you believe the % should be higher, the odds are of value to you. Decimal Probability Fraction 1.01 99.01% 1/100 1.02 98.04% 1/50 How to convert 1.03 97.09% 1/33 How to convert decimal odds to % fractional odds to % 1.04 96.15% 1/25 Convert fractional odds Convert decimal odds 1.05 95.24% 1/20 to % = 100 / (left / by right) +1 to % = 100 / odds e.g. 2/1 -> 100 / (2/ by 1) +1 = 33.33% e.g. 1.3 -> 100 /1.3 = 76.92% 1.10 90.91% 1/10 1.15 86.96% 2/13 1.18 84.75% 2/11 1.20 83.33% 1/5 1.23 81.30% 2/9 1.25 80.00% 1/4 1.29 (77.52% 2/7 1.30 76.92% 3/10 1.33 75.19% 1/3 1.36 73.53% 4л1 1.40 71.43% 2/5 1.44 69.44% 4/9 1.50 66.67% 1/2 1.53 65.36% 8/15 1.57 63.69% 4П 1.65 60.61% 8/13 1.67 59.88% 2/3 1.73 57.80% 8/11 1.80 55.56% 4/5 1.83 54.64% 5/6 1.90 52.63% 9/10 1.91 52.36% 10/11 2.00 50.00% 1/1 2.05 48.78% 21/20 2.10 47.62% 11/10 2.11 47.39% 10/9 2.20 45.45% 6/5 2.25 44.44% 5/4 2.30 43.48% 13/10 2.35 42.55% 27/20 2.37 42.19% 11/8 2.40 41.67% 7/5 2.50 40.00% 3/2 2.60 38.46% 8/5 2.62 38.17% 13/8 2.70 37.04% 17/10 2.75 36.36% 7/4 2.80 35.71% 9/5 2.87 (34.84% 15/8 2.90 34.48% 19/10 3.00 33.33% 2/1 3.10 32.26% 21/10 3.20 31.25% 11/5 3.25 30.77% 9/4 3.30 30.30% 23/10 3.40 29.41% 12/5 3.50 28.57% 5/2 3.60 27.78% 13/5 3.70 27.03% 27/10 3.75 26.67% 11/4 3.80 26.32% 14/5 4.00 25.00% 3/1 4.33 23.09% 10/3 4.50 22.22% 7/2 5.00 20.00% 4/1 5.50 18.18% 9/2 6.00 16.67% 5/1 6.50 15.38% 11/2 7.00 14.29% 6/1 7.50 13.33% 13/2 8.00 12.50% 7/1 8.50 11.76% 15/2 9.00 1I.11% 8/1 9.50 10.53% 17/2 10.00 10.00% 9/1 11.00 9.09% 10/1 12.00 8.33% 11/1 13.00 7.69% 12/1 15.00 6.67% 14/1 17.00 5.88% 16/1 19.00 5.26% 18/1 21.00 4.76% 20/1 23.00 4.35% 22/1 26.00 3.85% 25/1 29.00 3.45% 28/1 How to convert 34.00 33/1 How to convert 2.94% back odds to lay odds equivalent lay odds to back odds equivalent 41.00 2.44% 40/1 Back to lay = (1/ odds-1) +1 51.00 1.96% 50/1 Lay to back = (1/ odds-1) +1 e.g. Odds of 1.5 would be (1/0.5) +1 = 3.0 e.g. Odds of 3.0 would be (1/2.0) +1 = 1.5 67.00 1.49% 66/1 81.00 1.23% 80/1 101.00 0.99% 100/1 How much should you stake? Once you've estimated the real % chance of a bet you can use the Kelly Criterion Formula to tell you how much of your betting bank you should stake based on your perceived edge. The formula is below but you can use the calculator located here: www.bettingtools.co.uk/kelly-calculator ((odds-1) * (percentage estimate)) - (1-percent estimate) / (odds-1) 100 *Your percentage estimate must be expressed as a decimal e.g. 70% will be 0.7 e.g. odds of 1.58 with 70% chance Bт = ((0.58*0.7 - (1-0.7)) / 0.58) * 100 Fresh Designs =18.28% www.bettingtools.co.uk 00

# Are the Odds Value?

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Fresh7#### Designer

Fresh7Source

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