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Polymarket is the world's largest prediction market — a platform where you bet real money on whether real-world events will happen. Elections, crypto prices, sports, economics. **Here's everything UK readers need to know in 2026.**
What Is Polymarket In Plain English
Polymarket lets you buy and sell shares in the outcome of real-world events. If you think something will happen, you buy "Yes" shares. If you think it won't, you buy "No" shares. Shares are priced between 0 and 100 cents — if you're right, your shares pay out at 100 cents. If you're wrong, they pay out at zero.
It runs on the Polygon blockchain and uses USDC — a dollar-pegged stablecoin. You're not betting against a bookmaker. You're trading against other users who have the opposite view.
A Simple Example
Imagine a market: "Will the Bank of England cut interest rates before June 2026?" Current price: 65 cents. The crowd collectively believes there's a 65% chance this happens. If you think it's more likely than 65%, you buy "Yes" at 65 cents. If the rate cut happens, your shares pay 100 cents — you profit 35 cents per share. If it doesn't, you lose your stake.
**Why it works:** Polymarket prices are often more accurate than polls or expert predictions because traders have real money on the line. Skin in the game forces honesty.
What Can You Bet On?
- Politics — elections, leadership races, policy decisions globally
- Economics — interest rate decisions, inflation figures, GDP
- Crypto — Bitcoin price milestones, exchange listings, regulation
- Sports — match outcomes, championship winners
- Geopolitics — international events, treaties
- Science and Tech — AI milestones, product launches
Is Polymarket Legal In The UK?
Polymarket does not hold a UK Gambling Commission licence and technically restricts UK IP addresses. Using it via VPN is not explicitly illegal under UK law — no law prevents individual access to overseas sites — but you lose UK consumer protections. For a fully regulated alternative, Kalshi is CFTC-regulated and available to international users.
World's largest prediction market. Trade on real-world events with real money.
Join Polymarket →How Do You Fund A Polymarket Account?
You need USDC — a dollar-pegged stablecoin. Steps: create a Polymarket account, connect a crypto wallet, buy USDC via Coinbase or Kraken, deposit to your Polymarket wallet. Onboarding takes about 15 minutes once you have a crypto exchange account set up.
How Accurate Is Polymarket?
Remarkably accurate. Research consistently shows prediction markets outperform polls and pundits on major events. During the 2024 US election Polymarket's probabilities tracked closer to the final outcome than virtually every polling average. This accuracy is driven by the profit motive — wrong predictions cost money.
FAQ
Can I withdraw winnings to a UK bank account?
Not directly — Polymarket pays out in USDC which you convert to GBP via a crypto exchange. The process takes 1–3 business days.
What is the minimum deposit?
No stated minimum, but practically you need at least $10–20 USDC to participate meaningfully given transaction costs.
**More guides:** [Is Polymarket Legal In The UK?](/prediction-markets/is-polymarket-legal-uk) · [How To Use Polymarket UK](/prediction-markets/how-to-use-polymarket-uk) · [All Prediction Markets Guides](/prediction-markets)
*Sento earns a commission if you sign up through our links. This never affects our rankings. Prediction markets involve financial risk — never stake more than you can afford to lose. Not available to UK residents on some platforms. Updated March 2026.*
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Compare prediction market platforms — Polymarket, Kalshi & more.