Per90
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Per90
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Guides / the questions behind the tools
Each tool on this site answers a question a bettor already had. These guides answer the question itself — what the mechanic is, how the arithmetic works, where it goes wrong — before handing you to the tool that does the work. Written to the same rule as the rest of the site: research on published prices, not advice.
What makes a price a value bet, where a fair price comes from, why an edge is not a win chance, how closing line value tests a record, how to stake, and how the Per90 value board applies it.
Read the guide →02 / GuideHow Sky Bet's AccaFreeze works — the five-leg rule, three freezes a week, what a frozen leg pays — and a research method for choosing the freeze leg and the four fillers.
Read the guide →03 / GuideWhat a football arb is, how to split the stake across both legs, what a real one pays, and the ways it goes wrong: moving prices, refused stakes, mismatched settlement rules and restricted accounts.
Read the guide →04 / GuideHow to research football player props: what a line means, hit rates over 5, 10 and 20 appearances, per-90 rates, the minutes risk, the referee's effect on fouls and cards, and where a fair price comes from.
Read the guide →Looking for a definition rather than a method? The stats glossary defines every stat and betting term the site uses, and the methodology explains how the model prices a player prop.