Joker Stacks

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Yahoo Finance has ended its dedicated prediction market integration with Polymarket, cutting short a high-profile partnership less than a year after launch.

The investing and news site announced last week that it halted an arrangement in which it used Polymarket prediction market data for a dedicated hub on the website.

That relationship ended in April, just six months after it started. Yahoo Finance confirmed the end of that agreement to Bloomberg but noted that Polymarket remains an advertising partner.

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Despite a rapid ascension throughout the US, Kalshi has been relatively mum on potential international expansion down the road. There is some sentiment that Kalshi will wait to build abroad until after the completion of an initial public offering. At present, Kalshi has sought a valuation of around $44 billion.

Kalshi has imposed strict protocols for customer sign-up, which includes proof of US residency, along with a US tax identification number. The operator also requires traders to complete a robust know-your-customer check before trading on its site.

Per a nine-page member agreement issued by Kalshi in June, users are required to acknowledge that they are prohibited from trading on event contracts if domiciled in roughly three dozen countries. Australia, by way of the ASIC ban, received inclusion on the list. Under the agreement, Kalshi reserves the right to deny users access to its platform in the restricted jurisdictions.

About Joker Stacks

Brazil President Luiz Inácio Lula da Silva stated that, if it were up to him, online betting companies would be shut down.

During a livestream on Sunday, he said he had met with “eight victims of online betting”. To reinforce his criticism of the sector and in an attempt to win over conservative voters, he pointed out that one gambler had made 1,400 instant fund transfers (Pix) to a betting site. Lula criticised the Central Bank for failing to detect such a high volume of transactions to a single company.

However, that responsibility does not lie with the Central Bank. It is the role of the Secretariat of Prizes and Bets to monitor and regulate the sector. Betting companies submit detailed daily reports on bettors’ financial transactions with the sites. A specific module within Brazil’s betting management system detects recurring transfers.