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PolymarketDocumentation/docs/quickstart/reference/glossary.md
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Documentation Index

Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt Use this file to discover all available pages before exploring further.

Glossary

Key terms and concepts for Polymarket developers

Markets & Events

Term Definition
Event A collection of related markets grouped under a common topic. Example: "2024 US Presidential Election" contains markets for each candidate.
Market A single tradeable outcome within an event. Each market has a Yes and No side. Corresponds to a condition ID, question ID, and pair of token IDs.
Token Represents a position in a specific outcome (Yes or No). Prices range from 0.00 to 1.00. Winning tokens redeem for $1 USDCe. Also called outcome token or referenced by token ID.
Token ID The unique identifier for a specific outcome token. Required when placing orders or querying prices.
Condition ID Onchain identifier for a market's resolution condition. Used in CTF operations.
Question ID Identifier linking a market to its resolution oracle (UMA).
Slug Human-readable URL identifier for a market or event. Found in Polymarket URLs: polymarket.com/event/[slug]

Trading

Term Definition
CLOB Central Limit Order Book. Polymarket's off-chain order matching system. Orders are matched here before onchain settlement.
Tick Size The minimum price increment for a market. Usually 0.01 (1 cent) or 0.001 (0.1 cent).
Fill When an order is matched and executed. Orders can be partially or fully filled.

Order Types

Term Definition
GTC Good-Til-Cancelled. An order that remains open until filled or manually cancelled.
GTD Good-Til-Date. An order that expires at a specified time if not filled.
FOK Fill-Or-Kill. An order that must be filled entirely and immediately, or it's cancelled. No partial fills.
FAK Fill-And-Kill. An order that fills as much as possible immediately, then cancels any remaining unfilled portion.

Market Types

Term Definition
Binary Market A market with exactly two outcomes: Yes and No. The prices always sum to approximately $1.
Negative Risk (NegRisk) A multi-outcome event where only one outcome can resolve Yes. Requires negRisk: true in order parameters. Details

Wallets

Term Definition
EOA Externally Owned Account. A standard Ethereum wallet controlled by a private key.
Funder Address The wallet address that holds funds and tokens for trading.
Signature Type Identifies wallet type when trading. 0 = EOA, 1 = Magic Link proxy, 2 = Gnosis Safe proxy.

Token Operations (CTF)

Term Definition
CTF Conditional Token Framework. The onchain smart contracts that manage outcome tokens.
Split Convert USDCe into a complete set of outcome tokens (one Yes + one No).
Merge Convert a complete set of outcome tokens back into USDCe.
Redeem After resolution, exchange winning tokens for $1 USDCe each.

Infrastructure

Term Definition
Polygon The blockchain network where Polymarket operates. Chain ID: 137.
USDCe The stablecoin used as collateral on Polymarket. Bridged USDC on Polygon.