Glossary

Ask: Lowest price sellers are willing to accept. Bid: Highest price buyers are willing to pay. Buying power: Cash available to open new positions after margin is applied. Cash balance: Funds in your account not tied to open positions. Clarification: Extra context added to explain how rules should be understood. Closed position: A position you no longer hold because you sold it or the market has resolved. Contract: A Yes or No share that pays 1 dollar if it wins and 0 dollars if it loses. Execution price: The price at which your order fills. Fees: Trading or platform fees applied to executed orders. Fill: When your order completes, fully or partially. Fill price: Average price you receive when your order fills across levels. History: Section showing your past filled orders and closed positions. Instant buying power: Part of your deposit that becomes available to trade immediately. Liquidity: How much size is available to trade at listed prices. Margin: Funds locked to cover the maximum possible loss of a position. Market: A question about a future event that resolves to Yes or No. Marketable limit order: Order that fills at the best available price shown on your screen. Max gain: The most you can earn on a position. Max loss: The most you can lose on a position. No contract: Pays 1 dollar if the event does not happen. Odds display: How prices are shown, such as price, percent chance, or American odds. Open order: Order waiting on the book to be filled. Open position: Yes or No contracts you currently hold. Order: A request to buy or sell contracts at a chosen price. Order book: List of bids and asks showing available prices and size for each level. Order status: Whether an order is open, filled, or partially filled. Partial fill: When only part of your order fills. Position value: Real-time value in dollars of your open positions. Price impact: How much your fill price changes because of limited liquidity. Resolution: When Polymarket determines the final outcome of a market. Settlement: Final payout of 1 dollar for the winning side and 0 dollars for the losing side. Size: Number of contracts available to buy or sell at a given price. Slippage: Difference between expected and actual execution price. Spread: Gap between the bid and the ask. Maker: Trader who adds liquidity by placing an order on the book. Taker: Trader who removes liquidity by filling an existing order. Yes contract: Pays 1 dollar if the event happens.