About this app
What is Surf Zone?
In his 2022 letter to shareholders, he criticized mobile trading apps that make day trading and speculative positioning effortless, accusing them of turning the stock market into a “gambling parlor.”
Two years later, Buffett again targeted the “gamblification” of financial markets in his annual shareholder letter.
“Markets now exhibit far more casino-like behavior than they did when I was young. The casino now resides in many homes and daily tempts the occupants,” Buffett wrote, noting that extreme volatility makes identifying sound, long-term investments vastly more difficult.
How to play Surf Zone
By leaning into that imperfection, players may then exploit the knowledge and tip the house edge in their favor. Most casinos and courts around the world consider this to be cheating.
However, the judgment in that specific case against Star Casino ruled that Grant was a self-professed advantage player, and that a casino where the staff was competent and the games were operated correctly had nothing to worry about.
Grant has maintained that advantage play is not “dishonest or cheating” ever since his first legal brush with Star Casino.
How to play Surf Zone
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.
