Harlecoin

How to play Harlecoin

It will also double as a built-in alibi for any romantically involved conventioneer who mistakenly comes home with glitter on their clothes.

“Oh, didn’t I mention we saw the new Wizard of Oz, honey?”

The upgrade adds fireworks that celebrate Dorothy’s originally intended exit home, safely heating the air between the seats and the screen as the hot-air balloon lifts off without her. (Sorry, did we really spoil that for you?)

What is Harlecoin?

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. 

What is Harlecoin?

Several other operators have responded to the UK tax hikes by announcing shop closures.

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.