Margin Maintenance Rules

Capital

Margin maintenance rules dictate the minimum equity an account must retain relative to open positions, functioning as a critical risk management component within cryptocurrency, options, and derivatives markets. These rules are parameterized by exchanges and clearinghouses to mitigate counterparty credit risk and systemic instability, directly influencing leverage ratios available to traders. The required capital level is typically expressed as a percentage of the position’s notional value, dynamically adjusted based on market volatility and the specific asset’s risk profile, ensuring solvency during adverse price movements. Failure to meet these requirements triggers margin calls or forced liquidation, preventing substantial losses for both the trader and the exchange.