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About Merlins Grimoire
Commercial sports betting generated just under $17 billion in nationwide revenue in 2025, which is why Davenport asserts that the “stakes of this case are exceptionally high”. Kalshi and Polymarket alone posted more than $45 billion in trading volume, which is similar but not identical to betting revenue, in August. That was a 15% decline from July, although that drop is attributed to the conclusion of the Fifa World Cup tournament that month per Yahoo! Finance.
The American Gaming Association estimates that the exchanges have siphoned more than $1.3 billion in would-be tax revenue from states. One of the AGA’s primary spokespeople pin its fight against prediction markets is former New Jersey governor Chris Christie, who championed the PASPA case to the Supreme Court.
As with PASPA, this matter revolves heavily around federalism versus states’ rights. Traditional sports betting is governed by individual state regulators with varying laws and regulations. Federal derivatives are regulated by the CFTC, which has fully embraced prediction markets under US President Donald Trump after rejecting them in previous administrations.
What is Merlins Grimoire?
Further bets flagged by operators involved other politically sensitive individuals, including Metropolitan Police officers and political advisers. The Commission charged 15 people total in April 2025. Four have now pleaded guilty.
The offences relate to special betting markets that let customers wager on the exact date of the general election.
The then-prime minister, Rishi Sunak, announced 4 July 2024 as the election date on 22 May 2024. However, internal planning for that date had already begun at 10 Downing Street and Conservative Campaign Headquarters before the announcement.
What is Merlins Grimoire?
In March, William Hill told staff it plans to permanently close approximately 200 of its retail shops in the UK, around 15% of Evoke’s retail estate.
Last month, meanwhile, Betfred announced plans to shutter 132 of its UK betting shops, reducing its workforce by over 600 employees.
Betfred CEO Jo Whittaker said: “We have tried hard to protect all our sites and the colleagues who work in them, but the combined impact of higher employer National Insurance contributions, wage inflation, increases in gambling taxes and wider economic uncertainty has left us with no choice.”
