In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can buy USDC directly via credit card through MoonPay (built into Polymarket) or transfer from any Polygon-compatible wallet. Minimum deposit: no official minimum, but $10+ recommended for meaningful trades.
Getting funds into Polymarket may seem daunting at first, especially for those new to cryptocurrency. This walkthrough covers all available pathways — ranging from the most straightforward option (credit card purchases via MoonPay) to the most economical approach (moving funds from a trading platform).
What you need before depositing
- A verified Polymarket account (KYC completed)
- A credit/debit card OR an existing crypto exchange account
- Some MATIC for gas fees (minimal amounts — ordinarily under $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Access your Polymarket account
- Select "Deposit" from the main menu
- Choose "Buy with card" — MoonPay will load
- Input your desired amount in USD/EUR/GBP
- Finish MoonPay's identity verification (typically swift, around 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- USDC transfers to your Polymarket wallet in roughly 5–10 minutes
Fees: MoonPay applies a charge of approximately 3.5–5% on card transactions. Whilst this represents the quickest route, it carries higher costs relative to alternatives.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already possess USDC or ETH held at a major centralised exchange:
- Retrieve your Polymarket wallet address (available in the Deposit section)
- Navigate to your exchange's withdrawal function and choose USDC — ensure you select the Polygon network (choosing Ethereum instead incurs substantially higher costs)
- Enter your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transaction to settle
Fees: Most platforms levy a flat withdrawal charge of $1–3. This proves considerably more economical than MoonPay when transferring larger sums.
⚠️ Always choose the Polygon network when moving USDC to Polymarket. Transferring via the Ethereum mainnet triggers substantially higher costs and may necessitate using a bridge.
Method 3: Bridge from Ethereum
Should you maintain USDC holdings on Ethereum's main network, you have the option to bridge those assets to Polygon utilising the official Polygon Bridge or alternative solutions such as Hop Protocol. Such transfers typically require 10–30 minutes and carry Ethereum network fees.
Minimum and maximum amounts
Polymarket enforces no formal minimum deposit threshold. Realistically, amounts below $10 offer limited scope for substantive market participation once spread expenses are factored in. Conversely, there exists no ceiling, though exceptionally large deposits may prompt supplementary verification procedures.
Simpler alternative: PolyGram
PolyGram streamlines the funding mechanism considerably, granting you entry to Polymarket's entire order book through a simplified account creation process. Start trading on PolyGram →