The NFL Kicks Off Soon — Here's What Sports Betting Actually Costs You
Americans legally bet $166.94 billion on sports in 2025, and sportsbooks kept $16.96 billion of it. Here's the math on the house edge, the taxes on winnings, and what a season of betting really costs — with a calculator.
Yes. In the U.S., all gambling winnings are taxable income and must be reported, even if you don't receive a Form W-2G. Losses are only deductible if you itemize, and only up to the amount of your winnings.
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About the Author
Sujit KarkiFinance Researcher & Market Analyst
Independent finance researcher and market analyst with expertise in macroeconomics, equity markets, and personal finance. I help regular investors make better-informed decisions through rigorous, data-driven analysis.
Football season is almost back, and within minutes of kickoff your phone will be full of betting promos. I'm not here to moralize about it. I'm here to do the math the ads skip — the house edge, the taxes, and what a "just for fun" season actually costs — so you can decide with your eyes open.
Key Takeaways
Americans legally wagered $166.94 billion on sports in 2025, up 11% from 2024.
Sportsbooks kept $16.96 billion of that as revenue — an industry-wide hold of roughly 10%.
All U.S. gambling winnings are taxable income, even without a W-2G — but losses are only deductible if you itemize.
Problem-gambling hotline calls have surged in states after mobile sports betting launched.
The hold compounds with volume — the more bets you place over a season, the more certain the house's cut becomes.
The numbers behind the boom
The American Gaming Association's State of the States 2026 report puts 2025 legal sports betting handle at $166.94 billion, up 11% from 2024. Sportsbooks kept $16.96 billion in revenue (up 22.8% year-over-year), and states collected $3.71 billion in sports-betting tax (up 32.4%). Total U.S. commercial gaming revenue hit a record $78.72 billion across every category.
That growth is staggering, but flip the frame: sportsbook revenue is bettors' aggregate net losses. The $16.96 billion sportsbooks earned is money that left players' pockets and didn't come back.
The hold: why the house wins
Dividing sportsbook revenue by handle gives the "hold" — about 10% industry-wide in 2025 ($16.96B ÷ $166.94B). That's the structural edge baked into the odds, often called the "vig" or "juice." A standard bet priced at -110 asks you to risk $110 to win $100 — the extra $10 is the house's cut, regardless of who wins that particular game.
Over one bet, variance dominates and you might win big. Over a season of dozens of bets, the hold grinds that variance down toward a near-mathematical certainty. This is the single most important idea in this post: the edge isn't in any one game, it's in the repetition. The more you bet, the more your results look like the industry average — and the industry average is a loss.
The tax trap nobody mentions
Here's what surprises people at tax time. In the U.S., all gambling winnings are taxable income — reported on your federal return whether or not you receive a Form W-2G. You can deduct losses, but only if you itemize, and only up to your winnings. If you take the standard deduction — most filers do — you owe tax on winning bets and get no offset for losing ones.
Warning
If you win $2,000 across a season and lose $2,500, and you take the standard deduction, you can still owe income tax on the $2,000 in wins — while eating the full $2,500 in losses yourself. The tax code doesn't net your bad beats against your good ones unless you itemize.
There's also a federal excise tax of 0.25% on the handle, paid by operators rather than bettors directly — but it's baked into the pricing and promotions you see, same as any other cost of doing business.
The human cost
This isn't only about margins. After states legalized mobile betting, problem-gambling helpline calls surged in several of them — Massachusetts reported helpline calls up 121% between fiscal 2022 and 2023 — 1,378 to 3,050 — with sports-betting-specific callers up from 6 to 73, per the state's Department of Public Health. Read that second number carefully: it is a real elevenfold rise off a base so small that a handful of calls moves it enormously. DPH itself attributes part of the overall increase to the helpline advertising that state law requires alongside sports-betting ads, so some of the rise is more people knowing the number exists rather than more people needing it. That does not make the trend nothing — it makes it weaker evidence than the percentage implies. New York's Comptroller noted a meaningful rise in problem-gambling calls after mobile betting launched there too. Younger men are the fastest-growing group of callers, per the National Council on Problem Gambling. If betting stops being fun, the national helpline is 1-800-GAMBLER.
Estimate your season cost
Interactive · a season of betting
What the house edge costs you over a season
Average bet size$25
Bets per week5
Weeks (season length)18
Sportsbook hold10%
Across the season you'd wager $0, and at a 10% hold the house keeps roughly $0 of it on average — win or lose on any single bet.
Total season handle$2,250
Expected loss to the hold$225
Models the average industry hold (AGA, 2025: ~10%). Any single bet can win or lose regardless — this is what the math says happens on average, over volume. Not betting advice.
Here's What I'd Actually Do
Budget betting as entertainment, not investment. Decide on a season number you'd be genuinely fine losing entirely — because on average, across enough volume, you will lose something close to the hold.
Assume the ~10% hold is your cost of playing. Bet $1,000 across a season and expect roughly $100 gone to the house before variance even enters the picture.
Track every wager if you have real winnings. You may need to itemize to deduct losses — talk to a tax professional before assuming anything nets out automatically.
Never chase losses or bet with borrowed money. That's the behavior that turns a hobby into credit card debt.
Redirect the "sharp" instinct into something with positive expected value — a simple 50/30/20 budget or the automatic-savings math in my no-buy year breakdown both beat the house, reliably.
FAQ
Frequently Asked Questions
Yes. In the U.S., all gambling winnings are taxable income and must be reported, even if you don't receive a Form W-2G. Losses are only deductible if you itemize, and only up to the amount of your winnings.
Sujit Karki||4 min read