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At the same time, prediction market operators are facing regulatory tussles in the US. State regulators are moving to shut down the firms under gambling laws. The companies say their contracts should be regulated at the federal level as derivatives.
However, the sector has grown substantially despite such disputes. Bernstein predicted in April that annual prediction market volume could reach $1 trillion by 2030. The research estimated volume was around $51 billion in 2025 and could grow to around $240 billion in 2026.
The partnership with Yahoo Finance wraps up as prediction markets push for broader distribution across financial media, sports, and entertainment platforms. For Polymarket, the loss of the Yahoo Finance hub is one distribution channel, but other partnerships remain intact.
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The company must also provide data to the firms making markets on those events.
“If we just sold the data to Kalshi in order to list the markets but no one was coming in and placing liquidity, there’s no point in them listing the markets,” Monk said. “We also need to supply the data to the market makers to inform their models.”
Catalist initially received a list of fewer than 10 potential market makers from Kalshi. It has since completed agreements with close to 20 and is engaging with approximately another 20.
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Arsenal vs. Benfica (Agg 1-1) (5.55pm GMT kick-off)
Last week’s first leg between these two sides was a frustrating one for both teams. Benfica will feel disappointed not to have taken advantage of Arsenal’s wasteful nature in front of goal, while The Gunners will be kicking themselves not to have sealed the tie at the first time of asking.
The away goal for the North London side will no doubt have pleased boss Mikel Arteta, but in recent weeks, his side have once again slipped down into the bottom half of the Premier League and that will not have bought him any favour with the former Invincibles’ increasingly frustrated fanbase.