Sports betting isn’t just growing in 2026 — it’s mutating into something bigger, stranger, and more contested than the industry that existed even two years ago. Record handle, a booming prediction-market rival, and a wave of state-level legal fights are all colliding at once, right as the FIFA World Cup pumps unprecedented volume through every platform in the space. Here’s what the data says about where betting stands halfway through the year.
The Market Is Bigger Than Ever
Global sports betting revenue is on pace to hit roughly $88 billion to $125 billion in 2026, depending on which research firm’s methodology you use — Statista puts the more conservative figure at $88.11 billion, while Precedence Research and The Business Research Company peg the broader global market at $124.88 billion to $125.12 billion. Either way, the trajectory points sharply upward: Precedence projects the market will reach $325.71 billion by 2035, growing at an 11.24% compound annual rate.
The United States remains the single largest national market. According to the American Gaming Association, U.S. sportsbooks generated $16.96 billion in revenue in 2025 on a total handle of $166.94 billion — an 11% jump in wagering and a 22.8% jump in revenue. That pushed sports betting to roughly 22% of the entire U.S. commercial gaming industry, which itself brought in $78.72 billion for the year. Every one of the 38 commercial gaming markets posted annual gains, and state tax receipts from sports betting hit $3.71 billion, up 32.4% year over year.
2026 is already outpacing that. Responsible Gambling data shows U.S. sportsbooks processed more than $40.47 billion in handle in the first quarter alone, generating $3.82 billion in gross gaming revenue — a pace that would set another annual record. New York, Illinois, New Jersey, Ohio, and Pennsylvania remain the five biggest state markets, and mobile wagering now accounts for more than 80% of all legal bets placed nationwide.
FanDuel and DraftKings Still Run the Table
Market concentration has only tightened. Through February 2026, FanDuel controlled 39.6% of the regulated U.S. handle, with DraftKings close behind at 35.3%. Together, the two operators account for roughly 75% of everything wagered legally in the country. BetMGM trails at around 14% of gross gaming revenue, with Fanatics, Caesars, ESPN BET, and bet365 splitting most of what’s left. At the state level, the dominance shows up in real numbers — DraftKings alone took 49% of Massachusetts’s online betting handle in May 2026, a market that did $632.1 million that month.
The Real Disruptor: Prediction Markets
If there’s one storyline defining betting news in 2026, it’s the explosive rise of prediction markets — and their increasingly direct collision with the traditional sportsbook industry. Kalshi and Polymarket, both regulated federally as designated contract markets under the Commodity Futures Trading Commission rather than as state-licensed gambling operators, have turned sports into their dominant product line.
The scale is staggering. Combined monthly trading volume across Kalshi, Polymarket, and Polymarket US hit $44.8 billion in June 2026 alone — a 75% jump from May’s $25.66 billion, driven almost entirely by the FIFA World Cup, which kicked off June 11. Kalshi’s volume grew 87.4% month over month to $31.5 billion, while Polymarket’s international platform pulled in $10.26 billion, up 45%. Kalshi’s World Cup winner market alone has drawn more than $832 million in bets, with roughly 35% of that money on France to win it all.
Sports now dwarfs every other category on these platforms. On Polymarket, sports made up 43% of a $14.34 billion total in January, climbed to 56.5% of volume by June, and has essentially eclipsed politics — the category that first made these platforms famous. On the smaller platform Opinion, sports accounted for 99.4% of all activity by the first week of June, with crypto trading falling below $500,000. Kalshi’s own numbers tell a similar story: sports trading hit $10.44 billion in May, roughly 60 times the volume of its election markets that same month.
That growth has pulled prediction markets directly into the crosshairs of state gambling regulators, who argue these platforms are offering unlicensed sports betting under a different name. Massachusetts secured a court order blocking Kalshi from offering sports contracts in the state. A Nevada judge blocked Polymarket from operating there. Minnesota became the first state to ban prediction markets outright, prompting the federal government to sue the state in response. More than a dozen state authorities have now taken some form of legal action against Kalshi or Polymarket over sports-related contracts, setting up one of the more consequential regulatory fights in the gambling industry this year — state authority over gambling versus federal oversight of derivatives.
Where the Legal Map Still Has Gaps
Traditional sports betting legalization has mostly plateaued, but a few holdouts remain closely watched. As of 2026, sports betting in any form remains illegal in Alabama, Alaska, California, Georgia, Hawaii, Idaho, Minnesota, Oklahoma, South Carolina, Texas, and Utah. Texas, South Carolina, and Oklahoma are the states most closely watched heading into the rest of the year, with Texas widely expected to be the first of that group to move on legislation. Online casino gaming (iGaming) remains far more restricted than sports betting — only seven states currently allow it, representing about 12% of the U.S. population, though analysts believe New York legalizing iGaming could generate more than $5 billion in annual gross gaming revenue within a few years of launch, based on New Jersey’s roughly $2 billion iGaming market as a benchmark.
Betting Behavior: Who’s Actually Placing Bets
The demographic picture of the average bettor has shifted well past the “young guy on his phone” stereotype. Ipsos and Sports Betting Dime data put the U.S. bettor population at roughly 69% men and 31% women, with global figures running close to 70/30 — though female participation is rising quickly in markets like Brazil and France. Bettors aged 18 to 24 remain nearly twice as likely to bet on sports as older age groups, but the fastest-growing behavioral trend is live, in-play wagering: it captured 62.35% of online betting revenue in 2025, turning what used to be a single pre-game wager into an ongoing, session-long entertainment product.
Average bet size on U.S. online sportsbooks runs around $55, and roughly 22% of users qualify as “loyal bettors,” placing 100 or more wagers per year. First-time bettor retention sits at about 45% after 30 days — a number operators are pouring enormous marketing budgets into improving.
The growth hasn’t come without a cost. Research published in the Journal of Gambling Studies estimates that 1% to 2% of U.S. adults — roughly 2 to 4 million people — meet clinical criteria for gambling addiction, with another 5 to 9 million showing subclinical symptoms. A Siena College survey found that 52% of online bettors admit to “chasing” a loss, 37% felt ashamed after a loss, and 20% said betting had caused them trouble meeting financial obligations. The National Council on Problem Gambling puts the at-risk population even higher, at 4 to 6 million additional adults beyond the roughly 2.5 million experiencing severe problems.
Technology Is the Next Battleground
AI has moved from marketing buzzword to core infrastructure. Operators are using machine learning models to set and adjust odds in real time, track granular performance data (down to a running back’s sprint speed or an infielder’s arm strength), and build increasingly personalized promotions to reduce churn. Industry analysts expect operators investing in proprietary AI — rather than licensing white-label platforms — to widen their competitive advantage over the next two years through better hold percentages and lower customer acquisition costs.
Looking further out, blockchain-based payment rails, smart contracts for instant payouts, and NFT-based reward systems are all being piloted as ways to differentiate in an increasingly saturated market. Analysts expect handle growth in mature U.S. markets to slow to roughly 10–15% annually as saturation sets in, pushing operators toward consolidation and toward iGaming as the next major revenue frontier.
The Bottom Line
2026 is shaping up as the year sports betting stopped being a single, clearly defined industry. Traditional sportsbooks are still setting handle records, but they’re now sharing the field — and increasingly the courtroom — with prediction market platforms that don’t call themselves gambling companies at all. Whatever the regulators eventually decide, the money is already voting: more people are wagering on more outcomes, through more products, than at any point since the U.S. sports betting market opened up in 2018.
