Evil Eyes

What is Evil Eyes?

The two companies began collaborating in November 2025. As part of the deal, Polymarket provided data for a dedicated prediction market section on Yahoo Finance. The feature provided market-based probabilities of economic, political, and financial developments alongside Yahoo Finance content. 

The Yahoo Finance prediction market section was taken out in April. The companies have now confirmed that the larger deal is also off, as reported by Bloomberg. 

Yahoo said Polymarket is still an advertising partner and suggested the two could collaborate on other projects in the future. Polymarket has not provided any public explanation for the end of the data partnership. 

About Evil Eyes

These include shared hosting, DNS clusters, source-code strings, tracking systems, logos and favicons. The system can also follow redirects and other mechanisms that may not be visible through a conventional web request.

A website might initially appear to be a normal local site, while behind it sits an iframe, JavaScript redirect or a chain of other pages leading to the actual gambling destination.

“You have to follow that chain,” Madsen says. In some cases, that chain can involve multiple layers. “A site might redirect ten times before reaching the actual destination.”

How to play Evil Eyes

With int he report Dr Matt Gaskell MBE observed that “overall exposure (including shirts, hoardings, logos, sponsorship and related marketing) during live sports programmes does not show that self-regulation has reduced exposure meaningfully”. 

Voluntary efforts have included Premier League football opting to ban front-of-shirt gambling sponsorships, as of the beginning of this current season. Although, branding remains on training kits, shirt sleeves and across stadium advertisements. 

The committee’s previous 2020 report had recommended banning gambling ads on team shirts, training kits, stadium advertising and broadcasts, although on-course advertising for horse and greyhound racing was exempt.