Medusas Madness

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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.

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The ASA reviewed whether the ads were directed at under-18s through their placement or content. Its rules prohibit advertising through media where more than 25% of the audience is likely to be under 18. 

While the audience data did not conclusively define the website’s age demographics, the regulator noted small percentages of under-18s in HLTV’s social channels but found the website’s content and presentation clearly targeted adults.

Ultimately, the ASA ruled that the ads did not breach CAP Code rules 16.1 or 16.3.13 and took no further action.

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However, the UK’s physical estate shrank, with overall licensed gambling premises falling by 2% to 8,081.

Betting shops declining for the twelfth consecutive period, standing at 5,617, a 3.6% decrease representing a loss of 208 shops year-on-year.

Various tier one and two retail operators, such as William Hill and Betfred, have scaled back and closed hundreds of shops between them this year.