How to use Polymarket: a step-by-step beginner's guide
Published 2026-05-21 · Last reviewed 2026-05-21
TL;DR
- Polymarket is an on-chain prediction market on Polygon. You trade with USDC, not USD.
- Sign in with email (Magic link creates an embedded wallet) or connect MetaMask. No KYC.
- Fund by bridging USDC to Polygon, then trade. Resolution is handled by the UMA oracle.
Polymarket isn't a sportsbook. It's a crypto wallet stapled to a prediction market — which sounds intimidating until you do it once.
Step 1 — Create your account
Go to polymarket.com and click Log in. You have two paths:
US residents: Polymarket geo-blocks US IPs and its terms of service prohibit US users. See Is Polymarket legal? before signing up.- Email (recommended for beginners) — Polymarket uses Magic to create an embedded smart-wallet behind the scenes. No seed phrase, no MetaMask.
- Connect MetaMask / Coinbase Wallet — full self-custody, but you'll manage gas and bridging.
No KYC, no SSN, no address verification.
Step 2 — Fund with USDC on Polygon
Polymarket runs on Polygon and settles in USDC. If you signed up with email, the deposit screen shows a QR code and your Polygon address. You can:
- Buy USDC directly in-app via MoonPay / debit card — easiest, highest fees.
- Bridge USDC from another chain using Polymarket's built-in bridge — medium fees, ~10–30 minutes.
- Send USDC from an exchange like Coinbase or Kraken that supports Polygon withdrawals — cheapest, requires you to already hold USDC there.
Don't send ETH-mainnet USDC to your Polygon address — the funds will sit in limbo. Pick Polygon explicitly when withdrawing from an exchange.
Step 3 — Place your first trade
Browse to any market. The interface shows a YES price and a NO price in cents (e.g. 0.32 means 32¢). Click YES or NO, enter the dollar amount you want to spend, and confirm. The app shows your max payout before you commit.
Trades execute against an on-chain order book operated by Polymarket. Fills are usually instant on liquid markets. Polymarket charges 0% trading fees — gas costs on Polygon are pennies.
Step 4 — Track and exit positions
The Portfolio page shows every open position with unrealized P&L. To exit early, click your position and sell — you'll trade against the live order book at the current price.
Step 5 — Withdraw
Send USDC to any Polygon address from the Withdraw screen. From there you can bridge it back to Ethereum mainnet, send it to a centralized exchange, or off-ramp to fiat. Total time to bank account is usually 30–60 minutes via Coinbase.
Beginner pitfalls
- Sending USDC on the wrong chain. Polymarket only accepts USDC on Polygon (PoS chain). Wrong-chain deposits require manual recovery.
- Ignoring oracle dispute risk. UMA disputes can delay settlement by days. Check past resolutions on a similar market before you trust the resolution date.
- Thin orderbooks on niche markets. A market with $500 of liquidity will move 10¢ when you enter. Filter to high-volume markets first.
Ready to try?
Open a Polymarket account. If you want a CFTC-regulated US alternative, see our Kalshi vs Polymarket comparison.
US residents: Polymarket geo-blocks US IPs and its terms of service prohibit US users. See Is Polymarket legal? before signing up.Frequently asked questions
Do I need crypto experience to use Polymarket?
No. If you sign in with email, Polymarket creates an embedded wallet for you and you never touch a seed phrase. If you connect MetaMask, you'll need to manage gas and bridging yourself.
Is Polymarket legal in the US?
Polymarket's terms restrict US users, and US IPs are geo-blocked. The CFTC fined Polymarket in 2022 for offering unregistered event contracts. Many US traders use VPNs, but this is not legal advice.
What's the minimum to start?
Effectively a few dollars in USDC plus enough MATIC for gas — call it $5–$10 to get started. Trade sizes can be tiny because there's no commission per trade.
How fast are Polymarket withdrawals?
Withdrawals are on-chain Polygon transfers — they confirm in minutes. The slow step is bridging USDC off Polygon to an exchange or to Ethereum mainnet, which can take 30+ minutes.
Who decides if a market resolves YES or NO?
The UMA oracle network. Anyone can propose a resolution; if disputed, UMA token holders vote. Disputed markets can take days to settle.
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