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That widening breadth is vital for the industry at a time when some analysts estimate volume could jump to $10 trillion by 2035 – a projection that is largely rooted in other categories surpassing sports for the top spot.
Nearly a third of respondents told Fullstory that increased event contract breadth could compel them to consistently choose a prediction market over a sportsbook.
Sportsbook operators have an inherent advantage over prediction markets in that the former can offer significantly larger sign-up and retention bonuses and gaming companies are leaning into those expenditures this football season.
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Before Patrick Mahomes laced up his cleats for his 2026-2027 NFL regular-season debut, US prediction markets had already cleared a historic benchmark for the opening week of the season.
Two operators alone – Kalshi and Polymarket – topped the combined $1 billion mark in NFL trading activity over the first six days of Week 1, according to numerous measures this week. During the period, Kalshi recorded NFL volume of $983.4 million, according to DeFi Rate, earning the pole position by a large margin. Mahomes and the Kansas City Chiefs thrashed the Denver Broncos 31-10 on Monday Night Football, capping the largest week for prediction markets ever.
Even before the primetime matchup in Kansas City, it became abundantly clear that the industry would shatter previous marks for weekly activity. The AFC West showdown bolstered the already robust totals. Overall, volume for the week hit a record $15.9 billion, according to Bank of America, up 16% from a week earlier.
What is Santa Spins?
Australian wagering operator Dabble Sports has been hit with penalties totalling AU$1,069,200 (US$760,265) following repeated failures to comply with BetStop, the nation’s self-exclusion register.
On Wednesday, the Australian Communications and Media Authority (ACMA) found that Dabble Sports had failed to close 157 accounts belonging to customers who had enrolled in the self-exclusion programme.
Furthermore, the company sent 839 electronic messages to 165 individuals who had self-excluded, along with a further 2,000 push notifications to 45 customers without including the mandatory BetStop information.
