Catalyst

How contract prices reflect probability, what moves prices in real time, and how contracts settle when an event resolves.

How do prediction market prices work?

Browse available market categories, understand how events and markets are structured, and learn where to find resolution rules before you trade.

What markets can I trade on Catalyst?

Step-by-step guide to placing a trade, selling before resolution, full vs. partial sells, and canceling open orders

How do I place a trade and manage my position?

The difference between buying in dollars, buying in contracts, and limit orders, including when to use GTC vs. IOC

What order types are available?

How the order book works, how liquidity affects execution, and what slippage is

What is the order book and how does liquidity affect my trade?

Common reasons orders do not fill, how real-time price movement affects execution, and what to do about it

Why didn't my order fill or execute as expected?

How the maximum position limit works, what happens when you exceed it, how contract price affects your risk, and how to think about sizing relative to your Max Loss buffer

What is the maximum position size and how should I size my trades?

How markets work, how to trade them, and what to expect when your order executes

Markets & Trading

Find answers and get help from Intercom Support and Community Experts

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