What Is Polymarket?
Polymarket is a decentralized prediction market platform where users trade on the outcomes of real-world events. Founded in 2020, it has grown into the largest prediction market by volume, processing billions of dollars across thousands of markets covering politics, economics, crypto, science, sports, and culture.
Unlike traditional betting platforms, Polymarket operates as a true exchange with a Central Limit Order Book (CLOB). This means traders set their own prices rather than accepting odds set by a bookmaker. The result is tighter spreads, better prices, and a more efficient market. Every trade is settled on the Polygon blockchain, providing full transparency and immutability.
Polymarket markets take the form of questions about future events. "Will Bitcoin reach $100,000 by December 2025?" or "Will the UK hold a general election in 2025?" are typical examples. Each question has two or more outcomes, and traders buy shares in the outcomes they believe are most likely. Browse the full market directory to see what is currently trading.
How the Platform Works: CLOB, CTF, and USDC
Polymarket uses three core technologies that set it apart from traditional betting platforms:
CLOB (Central Limit Order Book). Instead of trading against the house, you trade against other users. The CLOB matches buy and sell orders at specific prices. If you want to buy "Yes" at $0.60 and someone else wants to sell "Yes" at $0.60, the order book matches you automatically. This system creates efficient price discovery and allows for limit orders, giving traders full control over their execution price.
CTF (Conditional Token Framework). Polymarket uses the Gnosis CTF standard to create outcome tokens. For a binary market, one unit of USDC can be split into one "Yes" token and one "No" token. After resolution, the winning token redeems for $1.00 and the losing token becomes worthless. This framework ensures that markets are always fully collateralized and that payouts are automatic.
USDC on Polygon. All trading on Polymarket is denominated in USDC, a stablecoin pegged 1:1 to the U.S. dollar. By running on Polygon (an Ethereum Layer 2 network), Polymarket offers near-instant transaction finality and negligible gas fees, typically fractions of a cent per trade. This makes it practical to trade positions of any size without worrying about transaction costs eating into profits.
Creating an Account and Depositing Funds
Getting started on Polymarket is designed to be accessible, even for users without crypto experience. The platform offers multiple onboarding paths:
Email or social login. You can create a Polymarket account using your email address, Google account, or Apple ID. The platform creates a smart contract wallet for you behind the scenes, so you don't need to manage private keys or install a browser extension like MetaMask. This is the simplest path for new users.
Wallet connection. Experienced crypto users can connect an existing Ethereum wallet. This gives you full custody of your funds and the ability to interact with Polymarket's smart contracts directly.
Depositing USDC. Polymarket accepts USDC deposits from multiple networks. You can deposit directly from a bank account using the platform's fiat onramp, transfer USDC from a crypto exchange, or bridge USDC from Ethereum mainnet to Polygon. The platform provides step-by-step instructions for each method during the deposit flow.
Most new users deposit between $50 and $500 to start. There is no minimum deposit requirement, so you can begin with any amount you are comfortable with. Once your USDC balance appears in your Polymarket wallet, you are ready to trade.
Understanding Market Pages and Odds
Each Polymarket market page displays several key pieces of information that you need to understand before trading:
Current prices. The main display shows the current "Yes" and "No" prices. A "Yes" price of $0.65 means the market estimates a 65% probability that the event will occur. Remember that Yes and No prices always sum to approximately $1.00.
Order book. The order book shows all open limit orders on both sides of the market. The "bid" side shows the highest prices buyers are willing to pay, and the "ask" side shows the lowest prices sellers are willing to accept. The difference between the best bid and best ask is called the spread. Tighter spreads indicate more liquid, efficient markets.
Volume and liquidity. Volume represents the total dollar amount traded in the market, while liquidity represents the total value of open orders in the order book. Higher numbers indicate more active, trusted markets with better execution. Check the trending page to find the most actively traded markets.
Resolution details. Every market page includes the resolution criteria and source. This tells you exactly how the outcome will be determined and by whom. Reading the resolution details carefully is essential before trading, as edge cases can sometimes lead to unexpected resolutions.
Placing Your First Trade
Once you have funded your account and found a market you want to trade, placing a trade is straightforward:
1. Choose your side. Decide whether you want to buy "Yes" or "No" (or a specific outcome in multi-outcome markets). Buying "Yes" is a bet that the event will happen. Buying "No" is a bet that it will not.
2. Set your amount. Enter the dollar amount you want to trade. Polymarket shows you how many shares you will receive and your potential payout if the outcome resolves in your favor. For a $100 trade at $0.65, you would receive approximately 153 shares, which would pay out $153 if the event occurs.
3. Review and confirm. Check the execution price, number of shares, and potential payout. Confirm the trade. For market orders, execution is near-instant. The shares appear in your portfolio immediately.
4. Monitor your position. After the trade, your position appears in your portfolio tab. You can sell your shares at any time before resolution to lock in a profit or cut a loss. You don't have to wait for the market to resolve.
Advanced Features: Limit Orders and Portfolio Management
Beyond simple market orders, Polymarket offers several advanced features for experienced traders:
Limit orders. Instead of buying at the current market price, you can set a specific price at which you want to buy or sell. Your order sits in the order book until someone is willing to trade at your price. Limit orders give you full control over your entry and exit prices and are essential for trading in less liquid markets.
Portfolio view. The portfolio tab shows all your open positions, their current market value, and unrealized profit or loss. You can quickly see which positions are performing well and which ones need attention.
Position averaging. You can add to an existing position at different prices to improve your average entry. If you bought "Yes" at $0.70 and the price drops to $0.55, buying more at $0.55 lowers your average cost, meaning you need a smaller price recovery to break even.
Partial exits. You don't have to sell your entire position at once. If you hold 1,000 shares, you can sell 500 to take some profit off the table while keeping exposure to the remaining 500 shares.
Using PredCopy for Automated Trading
While trading on Polymarket manually can be rewarding, it requires significant time and expertise. PredCopy bridges this gap by letting you leverage the skill of whale traders automatically.
With PredCopy, you connect your Polymarket API credentials, select the top-performing wallets you want to follow, and let the engine handle execution. Every time a whale opens or closes a position, PredCopy mirrors the trade in your account, scaled to your preferred size and within your risk limits.
This approach combines the transparency and efficiency of Polymarket with the proven track records of its best traders. You maintain full custody of your funds, full control over your risk parameters, and the ability to stop copying at any time. Get started with PredCopy to begin automated prediction market trading.