How to Compare Sports Betting Odds and Always Get the Best Price
Researched and drafted with AI assistance from published sources; published by LokeNessiSport Editorial Team · Last updated: 17 April 2026
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Why Odds Comparison Matters
The same bet — the same selection, in the same match and market — is often priced differently at different bookmakers, because each uses its own models, customers and risk limits. Taking the best available price is the one improvement in betting that needs no forecasting skill at all. The arithmetic shows why it matters: on bets that win 52% of the time, taking 2.00 instead of 1.95 adds 0.52 × 0.05 = 2.6% of the stake to the expected return of every bet — £52 over 100 bets of £20, for exactly the same selections. It will not turn a losing approach into a winning one, but it shrinks the cost of every bet you were going to place anyway.
Open Accounts at Multiple Sportsbooks
To act on a better price you need an account where it is offered. Start with two bookmakers and add more only if you will actually use them. Choose licensed operators that are legal where you live, check each one's terms and responsible-gambling tools, and complete identity verification (KYC) at each before you need to place a time-sensitive bet. Set a deposit limit on every account — spreading money across several bookmakers makes it easier to lose track of the total, so keep one overall budget and record every deposit.
Check Every Price Before Every Bet
Before placing any bet, check the same selection at each of your bookmakers, in the same market and with the same settlement rules (for example, 90 minutes versus including extra time). Illustrative example: one bookmaker offers the home side at 1.65 and another at 1.72. On a £20 stake the first returns £33.00 and the second £34.40 — £1.40 more for the same outcome. Small on one bet, it adds up over a season. Compare the markets you actually bet — the match result, the Asian handicap and the main goals line differ in margin, so the best bookmaker for one is not always the best for another.
Use Odds Comparison Tools
Odds comparison websites, such as Oddschecker, show the prices from many bookmakers for the same match in one view and highlight the best one. They are a quick first check, but confirm the price on the bookmaker's own site before betting — prices move, and a comparison page can lag behind. Make sure the bookmaker shown is licensed where you live, and remember that the best price is only useful if you can actually place the bet there.
Calculate Margin to Find Better Sites
The bookmaker's margin (overround) tells you how competitive a whole market is. To calculate it, convert each outcome's odds to implied probability (1 ÷ decimal odds), add them up, and subtract 100%. Example: Team A 2.10, Draw 3.40, Team B 3.60. Implied probabilities: 47.6% + 29.4% + 27.8% = 104.8%, so the margin is 4.8%. Do this for the same match at each bookmaker: a lower total means a cheaper market overall. Over time you will see which bookmakers are usually cheapest for the sports and markets you bet most.
Worked Example: Three Bookmakers, One Match
Illustrative prices for the same match. Bookmaker A: 2.10 / 3.40 / 3.60, implied 47.6% + 29.4% + 27.8% = 104.8%, a 4.8% margin. Bookmaker B: 2.05 / 3.50 / 3.50, implied 48.8% + 28.6% + 28.6% = 105.9%, a 5.9% margin. Bookmaker C: 2.15 / 3.30 / 3.65, implied 46.5% + 30.3% + 27.4% = 104.2%, a 4.2% margin. C is the cheapest single book, but no single book has the best price on every outcome. Take the best of the three for each — 2.15 at C, 3.50 at B, 3.65 at C — and the market you actually bet into implies 46.5% + 28.6% + 27.4% = 102.5%: a margin of 2.5%, roughly half what any one bookmaker charges. That is the whole case for holding more than one account: the market you bet into is built from the best price on each outcome, not from one bookmaker's menu.
Build Comparison Into Your Routine
Make the check automatic: choose the match and market, check the price at each bookmaker (or on a comparison site, then confirm), bet at the best price, and record which bookmaker you used and the price you took. Later, compare that price with the closing price just before the start — consistently beating the closing price is a good sign that you are getting good value, while consistently getting worse prices tells you to change something. Keep one overall budget across all accounts, and if comparing prices starts to feel like a reason to bet more often, step back. 18+ only; no routine guarantees a profit. Disclosure: the bookmaker buttons below are affiliate links — if you sign up through them we may earn a commission, at no extra cost to you.