South Korea’s Korea Communications Standards Commission postponed action on Polymarket while it hears the platform’s position, according to reports. The commission will then assess whether the service constitutes illegal gambling under national law and may ask internet providers to restrict access; no immediate block was ordered.
The review could determine whether Polymarket remains accessible to users in South Korea.
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The US mid-term election brought Democrats control of the House and Senate, while state regulators and prediction-market operators continue to dispute the legality of sports event contracts. New Jersey Attorney General Jennifer Davenport asked the Supreme Court in September to review whether federal law prevents states from regulating those contracts; a law professor quoted in the report said he expects the court to hear the challenge.
New Jersey Atty. Gen. Jennifer Davenport petitioned the Supreme Court in September to consider whether states may regulate sports offerings on prediction markets. Democrats took control of both the House and the Senate in the mid-term election.
ASIC chair Sarah Court said the regulator remains unconvinced that retail customers should trade prediction-market contracts in Australia. ASIC said the contracts can resemble bets with all-or-nothing outcomes and warned that Australian financial services licensees remain responsible for their legal obligations when facilitating access to offshore platforms.
The Australian Securities and Investments Commission has again criticised prediction markets and says it is still not persuaded that retail customers ought to trade them. The newest remarks came from Sarah Court, who chairs ASIC, and follow by only months a warning to Australians about offshore prediction platforms.
Kalshi recorded more than $1.1 billion in election trading during the 10 days around the US midterms, while parlays generated $25.3 billion over the same period, according to analysis of prediction-market data. Election trading accounted for 3% of platform volume; volume measures contracts exchanged, not revenue retained by the platform.
Kalshi processed more than $1.1 billion on elections during the 10 days surrounding the midterms, only 3% of the platform's volume. Over the same period, Kalshi processed $25.3 billion in parlays and also $6.1 billion in non-parlay sports contracts.
Prediction markets recorded average daily trading volume of $4.13bn in October, up 55% from September, according to figures attributed to Jefferies analyst Daniel Fannon. Open interest rose 45% to $3.27bn, while sports contracts accounted for 78% of total volume. Polymarket's average daily volume reached $655m, up 50% month on month.
Ohio Sen. Bill DeMora filed legislation to bring sports prediction markets under state sports-gambling rules and prohibit election-related event contracts. He said a federal appeals court ruling could help advance the proposals, though the bills would need to be reintroduced in 2027.