Your questions, answered.

Il Margine publishes independent betting analysis: football player props, tennis selections, club penalty hierarchies, goalscorer fair odds, historical tennis returns and practical betting guides. The site is run by a former UK odds compiler.

Start with the current football picks, tennis picks or public track record. Research tools have their own purpose; a model comparison is not automatically a published tip.

The current public picks and research pages are available on the website without a subscription or Telegram membership. You do not need to create an account to read them.

Check the exact selection, line, recorded odds, bookmaker and unit stake on the football or tennis picks page. Match those details against the market you can access. The quoted price records the selection; it does not promise that the bookmaker still offers it.

Settled selections remain on the picks pages; Track record brings the results together.

A lower price can reduce or remove the estimated edge. The selection alone cannot tell you whether the replacement price is worthwhile.

For example, at a 50% estimated win probability, odds of 2.10 imply +5% expected value; 1.90 implies -5%. That assumes the estimate is right. A recorded winner does not make every price on it a good bet.

Published picks depend on the available markets and our assessment of the price. There is no daily quota.

The Fair Odds Lab also needs fixtures, lineups and usable bookmaker prices. An empty shortlist can mean that none pass the checks, or that the inputs are not ready. Read the update message and try another date or league; zero comparisons do not prove there is no value in the market.

It means the offered odds imply a lower chance of winning than our estimate. For a simple win-or-lose bet, expected return per unit is estimated probability × decimal odds − 1.

The estimate is the uncertain part. A formula can calculate an edge precisely without proving it exists. Our methodology explains how evidence, price comparison and recorded results fit together.

A profitable month is part of the evidence, but its size, stakes, odds and number of bets matter. A few large-priced winners can change a small sample substantially.

Read the monthly results alongside the full track record, including losses. Historical profit cannot establish what the next month will return.

Win rate leaves out the price and stake. Winning half your bets at 1.80 loses money at equal stakes; winning half at 2.20 makes money.

Our record uses profit divided by total stake, expressed as a percentage. Read ROI with sample size and individual results, rather than using either ROI or win rate alone.

No. Latest hits are selected winning highlights from the lab's tracked comparisons. They are not every comparison, and you cannot calculate the lab's overall ROI from them.

Published football and tennis tips have a separate public record. Keep those selections separate from beta research comparisons and historical Return Atlas simulations.

These markets cover a player's contribution: shots, shots on target, fouls committed, fouls won, tackles or cards, for example. The market name, threshold, expected minutes and settlement rules all matter.

Our player props page records the precise selection. Fouls won and fouls committed are different events; shots and shots on target are different markets.

Both require at least two shots. They are equivalent only when the player, match period and settlement conditions also match. Check rules for a player who does not start, does not appear or leaves the pitch early.

Bookmakers can use different participation rules, statistical definitions and data providers. A player's appearance, a later statistics correction or a promotion can affect settlement.

Check the rules attached to your bet. If our recorded selection appears wrong, send the event, market and supporting evidence through Contact.

The penalty pages show an evidence-based hierarchy, not a guarantee of who takes the next kick. Availability, substitutions, a manager's decision and the players themselves can change the order.

Read the evidence and update date as well as the names. Taking one penalty does not automatically establish a permanent first choice.

Penalty duty can increase an estimated scoring chance, but the available odds still decide whether a price looks attractive. Starting status, expected minutes and open-play involvement also matter.

Use the Fair Odds Lab to compare estimates and prices, and check whether the lineup is expected or confirmed. Its comparisons are beta research, not automatic recommendations.

The tennis picks page can include ATP and Challenger selections; check the competition on each pick. Return Atlas has a narrower scope: ATP main-tour singles, including Grand Slams, subject to its inclusion checks.

Retirement and walkover settlement depends on the bookmaker and market. Match winner, game handicap and total-games bets may be treated differently. Use the rules for your actual bet; Return Atlas excludes unfinished matches rather than simulating every bookmaker's retirement rules.

Compare the price for the exact market, its settlement rules and whether you can place the intended stake. A bookmaker can be competitive in one market and expensive in another.

The Bookmaker Margin Index compares complete captured markets. Its capture date matters: it is a snapshot, not a continuously updated ranking or a promise of today's best odds.

A bookmaker may reduce the maximum stake it accepts on your account or on a particular market. The advertised odds can remain visible even when you cannot place your intended amount.

That affects the return you can obtain from following a published record. Our results use recorded stakes; they do not measure each reader's accepted stake or available price.

Some bookmaker links may earn Il Margine a commission. That commercial relationship should be read separately from the price comparison and published results.

Use the bookmaker's own terms for eligibility and offers. An affiliate link does not make a price competitive or a bet suitable for you.

Units let readers compare recorded stakes without assuming everyone bets the same cash amount. If someone defines 1u as £10, a 0.5u entry corresponds to £5.

A unit is a reporting convention, not a universal percentage of your finances. Published stakes and calculator presets are not personal staking instructions.

Do not increase stakes to recover losses. Stop if you reach your spending limit or feel under pressure to win money back.

When reviewing a record, separate price changes, settlement errors and changes in the underlying analysis from ordinary variation. Calling a run "variance" does not establish that the original model was sound.

No. It simulates independent bets using the record's strike rate and stake-weighted ROI, with one representative winning price. It does not replay the historical sequence at every actual price and stake.

The shaded ranges describe those assumptions across 400 simulated runs. Real bets may be correlated, prices can disappear and the estimated edge can change. A run stops when the simulated bankroll cannot fund the next full stake.

They select a hypothetical fixed cash stake per bet. You can enter another amount. Changing the stake rescales the simulation and changes risk relative to the starting bankroll; a larger amount is not automatically a better choice.

The edge-capture control reduces positive ROI for illustration. It does not measure the prices or account restrictions you personally face.

Kelly depends on the probability you enter being correct. An optimistic estimate can produce an excessive stake, even before you account for several bets sharing the same risk.

The Kelly calculator lets you compare fractions and change the probability governing the simulated outcomes. A smaller fraction reduces exposure but cannot turn a negative-value bet into a positive one.

For a simple win-or-lose bet, EV = probability × decimal odds − 1. At a 50% estimated win probability and odds of 2.10, that is 0.05, or +5% per unit staked.

This is an expectation under the estimate, not the result of the next bet. Markets with pushes, partial settlements or commission require those outcomes and costs to be included.

Convert each price in a complete, mutually exclusive market to implied probability using 1 / decimal odds. If their sum exceeds 100%, the excess is the overround. Two prices of 1.90 sum to approximately 105.26%.

Removing margin gives an estimated market probability. It does not uncover a known true probability. The Fair odds calculator compares proportional, Shin and odds-ratio adjustments so you can see how the method changes the answer.

CLV compares the odds you took with the market shortly before the event started. Beating that price can be useful evidence about timing and price quality, even when the bet loses.

The Closing line calculator distinguishes raw odds movement from a comparison against a margin-removed close. Enter both sides of the same two-outcome closing market. A weak benchmark or mismatched settlement rule can make the comparison misleading.

Il Margine is run by a former UK odds compiler. Bookmaker-side experience informs the research, price comparisons and explanations published here.

Judge that work through the methodology, supporting evidence and recorded results. Experience does not make every estimate correct.

Use the Contact page and include the page link, event or club, what looks wrong and a source we can check. For a penalty order, a manager's statement, match report or footage is more useful than an unsupported list of names.

Please avoid sending account passwords or other sensitive information. A reported correction needs to be checked before it changes a public record.

You can link to a public page or share a screenshot with clear attribution. Include the date and quoted odds where relevant, so an old selection is not presented as a currently available price. Please do not present Il Margine's work as your own.

Set a spending limit using money you can afford to lose, separately from bills, savings and debt payments. Stop when you reach it. A model estimate, profitable record or calculator output is not a reason to raise that limit.

Chasing losses, borrowing to bet, hiding gambling or feeling unable to stop are reasons to seek support. You do not need to wait for a crisis.

In the UK, GamCare provides gambling support and the National Gambling Helpline on 0808 8020 133. GAMSTOP offers free self-exclusion from gambling websites and apps licensed in Great Britain.

Do not rely on betting to pay essential expenses. The public record describes past outcomes; it cannot promise income. If you need a bet to win to meet a bill, step away from it and seek support if needed.

Return Atlas is a historical betting research tool with tennis and football editions. It calculates what a constant one-unit bet on your chosen outcome would have returned at the recorded odds. You can compare ROI, profit, sample size and the matches behind a record.

It is different from Il Margine’s track record, which measures our published selections and recorded stakes. Return Atlas does not claim that we tipped every match in its archive.

The ATP tennis edition is publicly available. It covers eligible completed main-tour singles, including Grand Slams, when the required result and Pinnacle prices can be matched. Read its coverage panel for the current period and exclusions; it is not every ATP match or a complete career database.

Return Atlas Football covers Europe’s top five domestic leagues: Premier League, Serie A, La Liga, Bundesliga and Ligue 1. Its results exclude domestic cups and European competitions. Explore team-win, draw and opponent-win returns, with club, season, venue and price filters.

Every included bet stakes 1 unit. A winning bet at 2.50 makes 1.50u profit; a losing bet costs 1u. Net profit adds those outcomes, and ROI = net profit ÷ total stakes × 100.

For example, ten bets stake 10u. If they return 12u including stakes, the net profit is 2u and ROI is 20%. A 20% ROI is a return on money staked, not 20% growth of a bankroll. The calculation does not compound stakes.

In the tennis edition, choose whether to bet on or against the player, then combine the player’s market role, season, surface and odds range. The price filter always describes the named player’s odds, even when you back their opponent. Open a player to inspect the profit curve, price-band comparisons and match results.

Preset ranges include the lower price and exclude the next band’s starting price: 2.50 belongs in 2.50–3.00. Custom minimum and maximum prices are inclusive. Read the filtered match count alongside ROI; selecting many small groups can produce striking results by chance.

The football edition has latest 2, 3 and 5-season choices, plus a custom inclusive From/To season range. Recent windows include the latest partial season, and the exact seasons are shown.

Returns are recalculated across the combined bets, rather than averaging the individual season percentages. The same period applies to the rankings, club record, chart and price-coverage count.

It means backing that player's opponent to win, at the opponent's recorded odds. It does not mean an exchange lay bet or a fixed-liability strategy.

On a named player's record, "Bet against" shows what backing their opponents would have returned. You can switch sides within the player view in Return Atlas.

Favourite means the named player had shorter odds than their opponent; underdog means longer odds. Equal prices sit in All matches. These labels describe the named player, whichever side you back: "Bet against" a favourite means backing that favourite's opponent.

The minimum-match filter removes records with fewer included matches from the comparison. It helps avoid ranking a player on one or two results, but reaching the threshold does not prove their historical ROI will persist.

The check date records when the archive was checked; the latest included match is the newest result that passed the data and odds checks. They measure different things.

Return Atlas shows its coverage and exclusions on the page. It does not include every match simply because a result exists: an eligible completed match also needs a usable matched price. Historical ROI describes the included sample; it is not a forecast or a tip to back the leaderboard's top player.

Choose two players, then compare their records against all opponents or switch to head-to-head for meetings against each other. Filter by date, surface, region and country. The tables show wins and losses, serve and return points, aces, double faults and recorded pre-match odds.

No. The archive covers completed ATP main-draw singles from 2022 onward where prices for both players are available. It excludes Challenger, qualifying, team events, retirements and other unfinished matches. Your filters narrow that sample further, so the result can differ from an official career H2H.

For a hard-court match in China, start with outdoor hard and China, then widen to Asia or all regions if there are too few matches. Location means where the tournament was played, not the player’s nationality. The surface comparison keeps your date and location choices but shows each court type separately.

If a player won 8 matches and the recorded odds suggested 6 wins, that is +2 excess wins. Across 10 matches, 8 wins is an 80% win rate versus the expected 60%, giving a +20 percentage-point win-frequency gap. These describe the past; neither is ROI or a prediction.

It is an estimate calculated from both players’ recorded pre-match prices after removing the bookmaker’s margin. A 60% chance means about 6 wins in 10 similar matches. These historical prices are not live odds and are not always the final price before play.

Both. You can see the recorded total and the average per match, plus a rate per 100 service points. Expand a head-to-head meeting to see the exact count for each player. A dash means the statistic is missing; zero means none were recorded. Longer matches usually provide more opportunities to serve aces and double faults.

Matchup Lab compares playing statistics and results against the chances suggested by the odds. Return Atlas measures historical profit and ROI from betting on or against a player. Use them for different questions; winning more often than expected does not by itself establish a profitable betting strategy.

The snapshot date and latest included result are displayed on this page. This is a dated archive, not a live score service: today’s matches are excluded, and newly completed matches appear after a checked release. An older snapshot keeps its original date; it is never relabelled as a fresh update.

No. Opponents, match length and small samples can all change the picture. Historical performance is context for your research, not a fair-odds model or a betting recommendation. Check how many matches support each figure and compare the actual price before making a decision.

Open Tennis Matchup Lab.

Yes. Manager Return Atlas follows each manager across their included clubs. Choose a manager and an opposing manager to inspect their meetings, or leave the opponent blank for the wider record. Compare backing the team, the draw or the opponent at the recorded odds. Filter by league, seasons, home or away, favourite or underdog, and price range.

The tool risks one equal stake per match. Ten £10 bets risk £100 in total; £12 profit is +12% ROI. A team win bet loses when the match is drawn. High historical ROI is not proof of managerial ability or a future betting edge, especially with only two or three meetings. Small samples remain visible and labelled.

A Tuesday cloud update runs after Football Return Atlas. New records must have verified results, prices and match-specific managers. Failed validation retains the last good archive; the latest included match date is shown on the page. A separate monthly review checks manager identities and activity. Five domestic leagues are covered, with incomplete historical coverage; cups and European competitions are excluded.