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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.
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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.
How to play Sweet Kingdom
Americans wagered nearly $167 billion on sports in 2025 through regulated sportsbooks, an 11% increase year-over-year, according to data from the American Gaming Association (AGA).
The blurring line between financial investing and gambling has been accelerated by the rise of prediction markets—exchanges offering event contracts that are federally regulated as financial derivatives. U.S. News found that over 40% of active sports bettors now also participate in sports prediction markets.
Financial advisors continue to urge consumers to view sports wagering strictly as entertainment and to only risk funds they can afford to lose.
