Prediction markets are experiencing unprecedented growth, with Kalshi and Polymarket processing over $7.4 billion in trading volume in October, marking their highest month on record.
Kalshi led the pack with roughly $4.4 billion traded, while Polymarket followed with $3 billion volume, as sports-related contracts surged past political and economic predictions in both user engagement and liquidity.
Between October 20 and 27 alone, Kalshi recorded more than $1.1 billion in sports wagers, compared with just $51 million on political outcomes.
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The boom may be driven by shifting U.S. tax laws, which could make prediction markets more attractive than traditional sportsbooks, and speculation over potential token airdrops, drawing in both retail and crypto-native traders.
Regulators Begin to Push Back
The market’s meteoric rise is also catching the eye of regulators. In late October, Romania’s National Office for Gambling (ONJN) blocked access to Polymarket, labeling it an unlicensed betting operation and ordering internet providers to restrict access nationwide.
Authorities argued that Polymarket’s peer-to-peer crypto betting model meets the legal definition of gambling under Romanian law and therefore requires a license. The ONJN also cited the absence of responsible gambling tools and AML safeguards.
The enforcement underscores growing regulatory scrutiny of crypto-based prediction markets in Europe. While Polymarket describes itself as an “event-trading platform,” regulators increasingly treat such models as equivalent to online gambling.
Why This Matters
As prediction markets continue to blur the line between finance and betting, their rapid growth is drawing closer attention from regulators, even as traders keep fueling billions in new volume across the sector.
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People Also Ask:
Polymarket is a crypto-based prediction market platform where users can trade on outcomes of real-world events, including sports, politics, and finance.
Users buy and sell positions on event outcomes, essentially wagering against other traders. Profits depend on the accuracy of predictions, similar to traditional betting or futures markets.
As with any prediction or crypto market, risks include loss of capital, high volatility, regulatory changes, and platform-specific issues such as liquidity constraints.
Polymarket highlights how crypto prediction markets are evolving, combining elements of betting, trading, and DeFi, attracting significant liquidity and regulatory attention globally.
Regulations vary by country. For example, Romania recently blocked access to Polymarket, citing its peer-to-peer crypto model as unlicensed gambling under national law.
