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Better questions. Sharper betting tools.

The Il Margine toolkit

Check a price. Research a player or club. Understand the stake. Free tools that put the numbers behind a bet within reach.

What do these odds really offer?

Understand the price

Calculator

Fair odds & value

Remove the margin, compare three methods and test the odds you can actually take.

Check a price
Calculator

Double chance & draw no bet

Turn a complete 1X2 market into fair prices, with the draw treated correctly.

Price a football market
Market comparison

Mind the Margin

Compare measured bookmaker margins within the same market and see the sample behind each figure.

Compare bookmakers

What does the evidence say?

Research the selection

Fixture research

Football Matchday

Explore upcoming fixtures through club and manager H2H records, with historical returns for home, draw and away outcomes.

Explore football fixtures
Lineup research · beta

Air Control

Compare starting XI heights, aerial contests, headed shots and team delivery before kickoff.

Explore Air Control
Player comparison

Tennis Matchup Lab

Compare H2H records, serve and return statistics, aces and double faults by surface and location.

Compare tennis players
Daily fixture research

Tennis Matchday

Start with upcoming tennis fixtures. See past meetings and returns, then open both players in Matchup Lab.

Explore the next matches
Historical research

Return Atlas · Tennis

Explore player returns by season, surface, odds range and favourite or underdog status.

Explore player records
Historical research

Return Atlas · Football

Compare club returns across five domestic leagues. Filter seasons, venue, role and prices.

Explore club records
Manager research

Return Atlas · Managers

Follow managers across clubs, compare H2Hs and inspect team, draw and opponent returns at the recorded prices.

Compare manager records
Model research · beta

Fair Odds Lab

Inspect estimated goalscorer probabilities, lineup assumptions and the available price comparisons.

Open the lab
Evidence directory

Penalty taker intelligence

Find first choices, deputies and the dated evidence behind each club’s hierarchy.

Check a hierarchy

What could the stake cost me?

Understand the risk

Calculator

Kelly staking

Compare stake fractions and see how an overestimated probability changes growth and drawdown.

Test a stake
Simulation

Returns & drawdown

Simulate a range of outcomes using assumptions drawn from our settled record and your chosen stake.

Explore the range

Guide · New to the numbers?

Understand the numbers behind a bet.

A short explanation of odds, margin, value and staking, with a worked example.

Read the guide →
  1. 01

    Read the odds

    Convert a price into its break-even probability.

  2. 02

    Remove the margin

    Compare all outcomes from the same market.

  3. 03

    Assess the value

    Test the available price against an estimate.

  4. 04

    Choose the stake

    Allow for uncertainty and potential losses.

Keep research and results in view.

Explore the published record and the methods behind our research.