What percent of sports bettors are profitable?
About 1 in 4 betting accounts ends a year ahead. About 1 in 100 ends it more than 1,000 pounds or dollars ahead. And when we followed nearly 2,000 NFL contest players from one season to the next, last season’s winners did no better than anyone else. Here is what that means, and the one habit anyone can copy.
The short answer
- Ahead after a yearAbout 1 in 423.0% of UK betting accounts, by any amount
- Ahead by more than £1,000 or $1,000About 1 in 1001.02% in UK account data, 1.02% in US payment data
- Does last season’s record predict the next?No3,011 back-to-back contest seasons; last season’s top 10% were average the next
- 500 coin-flip bets at −105 instead of −110$1,082Lost less on the same $100 picks. Same bet, better number.
- A bettor who wins 52%−110 loses, −105 winsThe price decides which side of break-even they land on
- The costliest habitParlays17% kept on 4 legs at −110, against 4.5% on one bet
How many sports bettors are profitable?
You will often read that only 1 to 5% of bettors win. We could not find a study behind that number. Here is what the account data says.
A study for GambleAware followed 139,152 online gambling accounts at seven major British operators for a full year. Of the accounts that bet, 23.0% finished the year ahead. But most of them were ahead by small amounts:
US data counts something stricter: money taken out against money put in. A public dataset covers a year of deposits and withdrawals by 5,580 customers of a US sports betting brand. 4.14% took out more than they put in. The share well ahead matches the UK: 1.02% took out more than $1,000 more. Two countries, two kinds of data, the same answer: about 1 in 100 is well ahead after a year.
Lucky or good?
Most of the people ahead after a year are lucky, not good. Luck is strong over a few hundred bets and fades over thousands. Take a bettor with no edge at all, who wins half their bets:
So many “winners” are simply early in their run. To see whether anyone is good, you have to follow the same people over time. We did that with every full-season entry in the Circa Sports Million, an NFL contest where each entry picks five games a week against the spread, from 2020 to 2025: 3,011 pairs of back-to-back seasons.
If skill were common, last season’s best would keep winning. They didn’t: across all 3,011 pairs, one season’s record told us nothing about the next. Even each season’s best record was about what luck alone hands the luckiest entry among thousands, and studies of betting tipsters find the same. Real edges exist, but they are rare: the contest data leaves room for fewer than 1 contestant in 100 with a true edge over the −110 price.
What winners do, and what losers do
| Winners | Losers | What the evidence says |
|---|---|---|
| Beat the closing price | Take any price | Across 132,645 soccer matches, how much better than the close a bettor’s price was tracked their returns closely. |
| Shop every bet | Use one book | Researchers who bet soccer prices above the market average made about $958 on 265 real bets. Then the books limited their accounts. |
| Pass on most bets | Bet every game | Only 2.8% of soccer bets showed big value against the closing price. |
| Straight bets | Parlays | New Jersey, September 2022: books kept 17.4% of parlay money, against 1.7% to 4.4% on straight bets. Illinois, January 2026: DraftKings kept 19.5% of parlay money, FanDuel 20.7%. |
| Skip long shots | Chase long shots | UFC underdogs at +300 or longer lost 28.8% at the closing price. |
The first row matters most. The closing price is the last price before the game starts, when the market knows the most. A bettor who often gets a better price than that is probably finding real value, and books know it: in Massachusetts, bettors who often beat the close were more likely to have their limits cut. A win-loss record takes thousands of bets to mean anything, which is why serious bettors track closing line value instead.
Same bet. Better number.
Books don’t all charge the same price for the same bet. When one book has a side at −110 and another has it at −105, the bet is identical; only the price is different. And the price sets the bar every bet has to clear:
- At −110 you need to win 52.38% of the time to break even. At −105 you need 51.22%.
- A winning $100 bet wins $90.91 at −110 and $95.24 at −105: $4.33 more for the same pick.
- Over 500 bets of $100 that win half the time, −110 loses $2,273 and −105 loses $1,190. Same picks, $1,082 less gone.
The gap grows when you shop both sides of a game. Say one book has both sides at −110, and another has −120 on one side and +100 on the other. Each book on its own keeps 4.3% to 4.5% of the market. Take −110 at the first and +100 at the second, and the cut you face is 2.3%, about half.
For a bettor close to break-even, that difference decides which side of the line they end up on. Someone who wins 52% of their bets loses about 73 cents per $100 bet at −110 and makes about $1.52 at −105. Over 500 bets that is −$364 against +$762, and over thousands of bets luck fades and the price is what is left:
Be selective
The no-vig price is what a bet is worth with the book’s cut taken out. A bet is worth making only when its price beats it. On any one book’s two-way market, both sides can never beat it at once, because the cut is built into both prices. So on two-way markets, at least half the prices on a board are worse than the no-vig price, before anyone has picked a side.
That is why the few bettors who last pass on most bets. Decide what you want to bet first, then find the best number, and let a price that doesn’t beat the no-vig price go. A better price lowers the cost of a bet you wanted; it should never talk you into one you didn’t.
How vigged helps, and betting for fun
vigged is free. It puts the odds from many sportsbooks side by side, so the best number on any bet is one look away. Games show the no-vig price. BEST marks the best price, and Edges lists the prices that beat the no-vig price right now. None of it makes a bet a winner. It makes sure that when you do bet, you aren’t paying more than you have to.
For most people, betting is entertainment that costs money. Set a budget you can afford to lose, and don’t chase it when it’s gone. If betting stops being fun, stop. Help is free and confidential: see our responsible gambling page.
Data sources
- Forrest and McHale, Patterns of Play, Technical Report 2: Account Data Stage (NatCen Social Research for GambleAware, June 2022). 139,152 online accounts at seven British operators, July 2018 to June 2019, weighted to their betting-active accounts. Ahead means a positive return on stakes over the year; the shares by amount are from the report’s data file, Table 12. All betting, not sports only, and accounts, not people.
- Kasra Ghaharian, Two Aggregated Datasets of Gamblers’ Payment Transaction Records, Mendeley Data V1, 2022, doi:10.17632/6xtgb5cx3z.1, CC BY 4.0. 5,580 customers of a US sports-focused online gambling brand, March 2019 to February 2020; deposits and withdrawals only, account balances not seen. vigged computed the shares.
- Circa Sports Million final standings, 2020 to 2025 (public standings, circasports.com). Full-season entries only; contestants matched by entry name across seasons, one contestant’s entries combined. The field is that season’s combined win rate. The bound on real edges takes the most spread in true win rates the data allows, assumed normal. vigged’s analysis.
- Exact odds and price arithmetic, vigged: $100 flat bets, pushes left out. The no-edge bettor wins 50% of decided bets; break-even is the price’s implied chance.
- Joseph Buchdahl, Pinnacle betting resources (Pinnacle is a bookmaker), 2017: 6,044 tipsters and 1,073,029 picks; for the 249 with over 1,000 picks, the first half of the record explained 0.19% of the variation in the second. And What can closing odds tell us about profit expectation?: 132,645 soccer matches.
- Massachusetts Gaming Commission, Player Limiting Data Analysis Results and Possible Next Steps, meeting materials, 30 September 2025.
- Kaunitz, Zhong and Kreiner, Beating the bookies with their own numbers, arXiv preprint, 2017: 265 real bets.
- Illinois Gaming Board (January 2026) and New Jersey Division of Gaming Enforcement (September 2022) reports, via vigged’s same game parlay study. The cut on parlays by legs at −110 is arithmetic.
- vigged, UFC betting angles: 7,187 UFC closing lines, 2010 to 2026.
- The scripts behind every figure are in tools/who-wins-study in the vigged repository.
Frequently asked questions
What percent of sports bettors are profitable?
About 1 in 4 betting accounts is ahead after a year, mostly by small amounts: 23.0% of UK online betting accounts finished a year ahead, but only 1.02% by more than £1,000. In US payment data, 4.14% of a sports betting brand’s customers took out more than they put in over a year, and 1.02% took out more than $1,000 more.
Are winning bettors good, or lucky?
Mostly lucky. A bettor with no edge who bets at −110 is still ahead 30.9% of the time after 100 bets. In six seasons of an NFL contest, 1,864 contestants who played back-to-back seasons (3,011 season pairs) showed no link between one season’s record and the next, even in the top 10%.
Is line shopping worth it?
Yes. The same bet at a better price needs a lower win rate to break even: 52.38% at −110, 51.22% at −105. Over 500 bets of $100 at a 50% win rate, −105 instead of −110 loses $1,082 less. A bettor who wins 52% loses over time at −110 and comes out ahead at −105.
Why do sportsbooks limit winning bettors?
Books make their money from bettors who lose over time. A bettor who keeps getting better prices than the closing line is likely to win, so books lower that bettor’s limits. Massachusetts found that bettors who consistently beat the closing line were more likely to have their limits cut.
Can you make a living betting sports?
Very few people do, and it is not a realistic way to make money for almost anyone. About 1 account in 100 ends a year more than 1,000 pounds or dollars ahead, and most of those are lucky. Treat betting as entertainment with a cost, and only bet what you can afford to lose.
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