BetProof Daily Intelligence
Friday, March 13, 2026
🎰 Kalshi & Polymarket Eyeing $20B Valuations
Both prediction market giants are seeking capital raises at $20 billion valuations—double their previous marks. At this level, they would rival Flutter or MGM Resorts in scale, signaling ambitions to be treated as fintech/tech companies rather than gambling entities.
This isn't just growth, it's a declaration: "betting on reality" beats traditional sportsbooks, and they want fintech multiples, not gambling ones.
[Read more →](https://sportshandle.com/prediction-market-giants-kalshi-and-polymarket-eyeing-20-billion-valuations/)
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🎰 Underdog Acquires Aristotle Exchange
Fantasy sports operator Underdog bought Aristotle's CFTC-registered exchange infrastructure to build prediction markets natively. This includes the PredictIt political platform and gives Underdog federally regulated exchange capabilities.
Smart move after laying off 125 employees to pivot hard into predictions—they're building the pipes while competitors rent them.
[Read more →](https://www.gamblinginsider.com/news/117033/underdog-aristotle-exchange-acquisition)
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🏟️ bet365 Replaces DraftKings as UFC Betting Partner
UFC signed a five-year deal with bet365, ending DraftKings' partnership since 2021. The deal includes exclusive gambling rights and on-screen odds integration for 40+ fights in 2026.
Big win for bet365's US expansion, especially after DraftKings pioneered the UFC fantasy partnership back in 2015.
[Read more →](https://www.sportsbusinessjournal.com/Articles/2026/03/05/ufc-taps-bet365-as-new-sports-betting-sponsor-in-us-canada/)
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📊 Gambling.com Surges Despite Google Updates
GAMB reported $165.4M revenue (+30% YoY) with 35% EBITDA margins despite late 2025 Google algorithm hits. The company shifted from SEO-dependent affiliate model to higher-margin sports data subscriptions.
Classic pivot: when organic traffic gets unreliable, build direct relationships and charge for premium data.
[Read more →](https://www.gamblinginsider.com/news/117323/gambling-com-q4-2025-earnings-miss-but-shift-from-seo-to-subscriptions-drives-growth)
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⚖️ Mississippi Sweeps Ban Fails Again
Senate Bill 2104, which would have banned sweepstakes casinos with 10-year felony charges, stalled in House Gaming Committee. This marks the second consecutive year Mississippi has failed to pass such legislation.
Seven states have enacted bans, but the momentum is slowing—especially with iGaming alternatives gaining traction.
[Read more →](https://www.sweepsy.com/news/sweeps-ban-fails-mississippi-2026/)
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⚖️ Massachusetts Links iGaming & Sweeps Ban
House Bill 4431 faces March 16 deadline. Would legalize iGaming for three existing casinos while banning sweepstakes operators—first state to pair both moves.
Brilliant strategy: give existing operators the digital prize while killing unlicensed competition.
[Read more →](https://www.pennlive.com/sweepstakes-casinos/2026/01/sweepstakes-casino-ban-updates-momentum-building-early-in-2026.html)
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📊 Prediction Markets Hold $5.9B Weekly Record
Week ending March 8 saw $5.89B total volume, with Kalshi (49.3%) and Polymarket (34.6%) combining for 83.9% market share. Sports drove $2.21B post-Super Bowl.
The staying power is real—sustained volume beyond election cycles proves this isn't just political betting in disguise.
[Read more →](https://defirate.com/news/prediction-markets-hit-5-9b-kalshi-and-polymarket-set-combined-weekly-record/)
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*— Elise, BetProof.io*