Hegseth bans use of nonpublic info for bets on U.S. military ops

Defense Secretary Pete Hegseth said the ban applies to classified and unclassified information and includes prediction markets such as Polymarket and Kalshi.

• Oct 22

NFL urges Supreme Court to decide who should regulate prediction markets

In a legal brief, the NFL expressed support for prior court rulings favoring state authority to oversee prediction markets.

• Oct 9

Small businesses roll the dice on Kalshi to manage their risks

Hundreds of small businesses are using the prediction market to hedge against a range of business risks, according to Kalshi. Here's how.

• Sep 24

Court hands states a win in fight over who regulates prediction markets

Trading of sports event contracts on Kalshi constitutes gambling, appeals court rules in siding with Nevada officials.

• Aug 28

New York sues Kalshi, alleging it enables illegal gambling

A growing number of U.S. states are seeking to crack down on prediction markets, but face pushback from federal regulators.

• Jul 31

Kalshi debuts a midterm election hub to predict race outcomes

The site claims its hub will provide accurate insights into election outcomes based on traders' bets.

• Jul 22

Teleprompter operator made over $100K betting on Trump speeches

After detecting suspicious activity on the teleprompter operator's account, Kalshi investigated and then referred the case to federal regulators.

• Jul 16

House lawmakers launch insider trading probe into Kalshi and Polymarket

Rep. James Comer is requesting information from Kalshi and Polymarket on how the prediction markets guard against insider trading.

• May 22

Polymarket to let users make prediction market bets on private companies

Polymarket users can now trade on private companies' valuations, IPOs and secondary market activity.

• May 19

Online sports betting linked to rising delinquency rates, report finds

A study from the New York Fed found that delinquency rates increased faster in states where online sports betting is legal.

• Mar 30

Explosive rise of prediction markets prompts concerns over how actual events are being shaped

So-called prediction markets allow people to bet on everything from presidential races to wars. Lauren Toms reports on the concerns about the potential impact on real-life events.

• Mar 26

Oil trades surged before Trump's Iran post. Some experts are suspicious.

Trading in crude oil futures spiked only minutes before President Trump postponed an ultimatum on Iran, causing oil prices to drop and stocks to surge.

• Mar 25

Polymarket buckles down on insider trading after suspiciously timed bets

Polymarket tightened its rules after questions surfaced over whether some prediction market customers engaged in insider trading.

• Mar 24

Kalshi fines and suspends MrBeast employee for insider trading

The prediction market said it suspended Artem Kaptur, an employee of the popular YouTuber MrBeast, for insider trading.

• Feb 25