Prediction markets are moving from the fringe into the 0 have been satirized on South Park , made founders wealthy through venture funding, and even triggered controversy after a Nobel Prize 1 two leaders in the space are Kalshi, a regulated 2 that settles contracts in dollars, and Polymarket, a decentralized crypto -based platform built on 3 they saw record trading volume of $1.44 billion in September, with Kalshi pulling ahead at 60% 4 their visibility grows, the spotlight is turning to a key issue: are prediction markets legal, and where? To understand the legal debate, it’s worth first breaking down how prediction markets 5 are prediction markets?
Simply put, a prediction market is a marketplace for bets on future events such as election outcomes, sports, weather patterns, or financial 6 buy and sell contracts based on the outcome of real-world 7 prices shift dynamically with collective belief, and every trade is an incentive-driven bet on the 8 instance, take a market for “Will Team A win football match?” On the platform, each event works like a tug-of-war between two sides — YES and NO — whose combined value always equals $1. If you believe Team A will win, you buy the YES contract; if you believe the opposite, you pick 9 traders react to new data, rumors, or intuition, the prices shift in real time.
So, if a contract is trading at $0.80, it indicates that the market thinks the event has an 80% chance of 10 earn a $1 payout for your stake if your prediction comes 11 prediction markets are off-chain, centralized, and regulated like 12 are decentralized and run on blockchain, like Polymarket , giving them more flexibility but less regulatory 13 why do they matter? Because prediction markets aggregate new information, even outpacing traditional 14 money on the line, guesses become predictions with more accurate 15 many cases, these markets end up charting the future before anyone else 16 their similarity to gambling or speculative betting has made regulation tricky across 17 different jurisdictions treat prediction markets United States The regulatory treatment of prediction markets in the 18 on the platform’s operational model and 19 and Polymarket showcase how differently regulators treat these platforms.
Kalshi, fully regulated under the CFTC as a Designated Contract Market, is allowed to offer legal event contracts across various topics under federal oversight. meanwhile, its decentralized rival Polymarket has a bitter history with the 20 was fined $1.4 million in 2022 for allegedly offering illicit binary options contracts, forcing it to withdraw from 21 2025, it reentered the market after acquiring QCEX, a CFTC-licensed derivatives 22 contrast between these rivals underscores the country’s regulatory stance: innovation is welcomed but only if it plays by the 23 Kingdom and European Union Most EU countries treat prediction markets primarily as gambling grounds and have a fragmented regulatory approach.
Meanwhile, the United Kingdom permits limited forms of prediction markets (Betfair-style betting exchanges) under the oversight of the UK Gambling Commission alongside stringent consumer protection 24 legal grey zone, created by the regulatory ambiguity, limits institutional participation and the overall growth of these markets. Consequently, the UK and other EU countries like Belgium, France, and Poland have restricted the operations of prediction markets such as Polymarket, Kalshi, and others, citing violations of gambling regulations and international 25 Countries Asia-Pacific countries tend to take a restrictive stance on prediction markets, often classifying them as gambling 26 operations are rare or nearly impossible, and jurisdictions such as Singapore, Taiwan, Thailand, and Australia have mulled a ban on betting platforms Polymarket and 27 experts argue that prediction markets should be seen as data infrastructures rather than merely speculative 28 the parallel side, regulation either forces platforms into centralized models or drives them completely offshore, limiting wider 29 coming years, and how regulators choose to classify them, will decide whether prediction markets remain niche tools or evolve into mainstream financial infrastructure.
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