4/1 market odds vs 25%
Odds of 4/1 equal 5.00 decimal and imply a 20% chance. A 25% estimate creates fair odds of 4.00 and a +5-point difference.
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Horse Racing Odds
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Convert fractional, decimal or American odds into implied probability and compare the market with your own estimated chance.PRICE THE CHANCE
Price matters after selection
A positive difference identifies a possible overlay, not a certain winner. The decision depends on the quality of your probability estimate and the price still available.
COMMON QUESTIONS
Horse Racing Odds
explained clearly.
What is implied probability?
It is the winning chance represented by the odds. Decimal odds of 5.00 imply a probability of 1 ÷ 5.00, or 20%.
What are fair odds?
Fair odds are the price produced by your own probability estimate. A 25% estimate corresponds to decimal odds of 4.00.
What is an overlay?
An overlay is a selection whose market price is higher than your assessed fair price. It may represent value if your probability estimate is reliable.
Does a positive edge guarantee profit?
No. It describes a difference between two probability estimates. Outcomes remain uncertain and your estimate may be wrong.
WHEN THE CALCULATION IS ONLY THE START