TradingInstruments GuideFuturesTier 2SPX-USD-PERPCopy pageContract Specifications FeaturesValueProduct TypeLinear Perpetual FutureSettlement CurrencyUSDCBase CurrencySPXQuote CurrencyUSDFunding Period8 hoursPrice Tick Size0.00001 USDOrder Size Increment0.1 SPXMinimum Order Value50 USDMaximum Order Size200,000 SPXMaximum Number of Open Orders75Position Limit680,000 SPXPrice Band Factor20%Funding Clamping Rate5% Mark Price Parameters ParameterValueEWMA Factor15% Cross Margin Parameters ParameterValueBase IMF20%MMF Factor50% IMF = Initial Margin Fraction MMF = Maintenance Margin Fraction