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An issue raised by Giannis Vasiliadis, director of WBAS, was the limited access to recipients’ banking information. This limited data can hint at suspicious activity but cannot conclusively verify gambling transactions.

Data Protection Commissioner Maria Christofidou said her office had reevaluated a 2022 legal opinion and now recognised a potential legal basis for more granular access to banking information.

Various MPs voiced concerns about the risk of privacy violations in accessing this data, and the potential social stigma around the information being shared.

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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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“As a trade organisation we are trying to work together with our regulator because we feel that we have a shared interest of getting a good legal market. And of course we’re talking to politicians to do something about putting illegal operators on notice. I think it is really positive at the moment in the Netherlands that the operators have really teamed up,” Petra continues.

Notably, she says competing with each other is not important at the moment, as working to fight the black market serves a bigger purpose.

Finally, after four years in the hot seat, is Petra still enjoying the job? “Absolutely. It’s challenging, it feels like you’re playing in the Champions League sometimes because a lot is asked of the people in the sector. You’ve got responsible gambling, anti-money laundering and, at the same time, you have to offer a fun experience. But it’s nice to be challenged,” she concludes.