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In fact, behind those brands, a whole new sector is taking shape. Data and streaming suppliers, specialist market makers and technology companies are quickly invading the space.
The investment banking and capital markets firm Jefferies said in a September report that sports had become prediction markets’ “most important liquidity driver”, with combo and parlay-style contracts accounting for an increasing share of activity. But the analysts cautioned that prediction markets are scale businesses with relatively low revenue yields, leaving their economics dependent on sustained liquidity, engagement and trading activity.
James Monk, founder of sports data and streaming provider Catalist Sports, has witnessed that dependence directly. Catalist supplies ITF tennis data to Kalshi and Polymarket and has an exclusive US sports-streaming agreement with Kalshi.
How to play Happy Dragon
The Hold & Win bonus unlocks four canine character modifiers. Collect chili, and land Loco Dog to trigger every ability simultaneously while expanding the grid to 5×5.
What is Happy Dragon?
Meanwhile, Stake continues to feature on the sleeve of Everton’s kits, despite ceasing operations in the UK in early 2025 amid a Gambling Commission investigation into its advertising.
Other clubs that hold agreements with unlicensed operators include Chelsea (8XBet), Tottenham Hotspur (VSBet) and Nottingham Forest (FUN88).
Entain highlighted data from H2 Gambling Capital that warned black market stakes in the UK are expected to nearly double from £17 billion ($22.7 billion) in 2025 to over £33 billion by 2028.