Kalshi records highest weekly trading volume with $3.91B
Prediction market operator Kalshi reached an all-time high in weekly trading volume with $3.91 billion as of April 28, surpassing competitor Polymarket by around $2 billion.
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Prediction markets
Brazil adds restrictions on prediction markets
The government of Brazil has announced that prediction market contracts connected to sports, politics, and entertainment will be banned effective May 4, 2026.The...
Polymarket to get $15B valuation with $400M funding
Polymarket is in discussions to get $400 million in a new funding round, which would send the prediction markets’ valuation up to $15 billion, compared to the October 2025...
Kalshi adds AI selfie verification and parent access portal
Kalshi has revealed plans to add a new AI-powered verification system and a parental portal in an effort to restrict underage access.The development marks an important...
Democratic candidate offers 10% iGaming and predictions tax
Rahm Emanuel, the previous Mayor of Chicago and U.S. Ambassador to Japan, has introduced a proposal to add a 10% federal tax on iGaming and prediction markets, which is...
Kalshi sends cease-and-desist order to Elizabeth Booker
Kalshi has sent Democratic influencer Elizabeth Booker a cease-and-desist order after Booker posted a video criticizing prediction markets.Elizabeth Booker, who is better...
Robinhood removes some event contracts over insider trading
Robinhood has announced plans to restrict some forms of prediction markets, particularly mention markets, over concerns about insider trading and market manipulation.
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Flutter confirms launch of Betfair prediction market
Flutter Entertainment has announced the launch of its Betfair brand’s prediction market product called Betfair Predicts.The prediction platform will operate under...
Kalshi secures deal to integrate predictions in Fox News
On April 7, 2026, Fox Corporation revealed that it will start integrating prediction market data from Kalshi in its news and streaming platforms.According to the deal,...
