Skip to main content
Perps markets follow a small set of system rules. This section explains how those rules work so you can anticipate how positions are valued, when they are at risk, and why account balances change.

Architecture

How offchain matching and onchain settlement fit together.

Markets

Available Perps markets and the parameters that shape trading.

Fees

What each fill costs and how maker rebates work.

Margin

Equity, initial margin, maintenance margin, and margin states.

Liquidation Mechanics

How liquidation is detected, executed, and backstopped.

Funding

How funding rates are computed and settled against open positions.

Mark Price

How the price used for margin, PnL, and liquidation is computed.

Index Price

How the underlying’s fair value is sourced and aggregated.

Market Sessions

How session state affects pricing feed selection.

Geographic Restrictions

Where order placement is restricted.