Insider Trading

News

Prediction market platform Kalshi permanently bans former US lawmaker George Santos: Here's why

Kalshi has permanently banned former US Representative George Santos and fined him $71,356 over bets on whether he would attend the State of the Union. The platform said he manipulated betting prices and engaged in insider trading. Santos mocked the ban.

2 min read1 Sep 2026
News

Trump speech bets land ex-White House teleprompter operator in trouble, fined ₹1.65 crore: What CFTC found

A White House teleprompter operator, Gabriel Perez, will pay over $172,000 or nearly ₹1.65 crore to settle a federal investigation into prediction-market bets linked to Trump’s speeches. He faces a $65,000 penalty and forfeit of $107,000 in profits.

2 min read29 Aug 2026
Markets

Sebi adjudication proceedings hit a decade low as compliance improves, focus shifts to serious violations

The decline in adjudication proceedings comes as listed companies and market intermediaries have strengthened compliance and internal controls, while Sebi appears to be directing more of its enforcement capacity towards violations that pose risk to investors

3 min read20 Aug 2026
Global

Polymarket, Kalshi Face Spanish Ban

Madrid issued an order to block Polymarket and Kalshi’s websites while officials look into possible violations of gambling laws, proceedings that are expected to take up to four months.

1 min read26 May 2026
From:
Global

Flurry of suspicious oil trades worth $800 million triggers regulatory probe

The Commodity Futures Trading Commission is parsing records of trades made before a social-media post by President Trump.

6 min read20 May 2026
From:
Money

Warren Buffett flags three dangerous trends for investors in 2026: ‘That’s not investing’

Warren Buffett cautioned against the growing trend of gambling in investing as markets reach record highs, citing excessive greed driving asset prices. He pointed to the rise of one-day options trading and prediction markets as alarming developments that misprice securities.

2 min read14 May 2026
Global

Why almost everyone loses—except a few sharks—on prediction markets

A WSJ analysis shows a small number of accounts on Polymarket and Kalshi—often pros using data-driven algorithmic trading—take home most of the winnings.

13 min read4 May 2026
From:
News

Blocked by Kalshi, then $400,000 richer: US Soldier charged with betting on classified Maduro operation

A US Army Special Forces soldier has been granted bond after allegedly using classified intel about the Maduro raid to win $400,000 on Polymarket, and was blocked by Kalshi.

4 min read25 Apr 2026
News

US soldier arrested for allegedly betting on Maduro’s removal, winning $400,000: Who is Gannon Ken Van Dyke?

Gannon Ken Van Dyke, a US soldier, has been arrested for allegedly betting on Nicolas Maduro's removal and winning over $400,000 by using classified information. Here's all you need to know about him

3 min read24 Apr 2026
News

Insider trading over US-Iran war? White House sends warning to staff, asks officials not to bet on prediction markets

The email sent on 24 March came a day after US President Donald Trump announced a brief pause on Iran strikes. It advised employees against placing trades on financial markets and fast-growing event betting platforms.

2 min read10 Apr 2026