TradingInstruments GuideFuturesTier 2

SPX-USD-PERP

Contract Specifications

FeaturesValue
Product TypeLinear Perpetual Future
Settlement CurrencyUSDC
Base CurrencySPX
Quote CurrencyUSD
Funding Period8 hours
Price Tick Size0.0001 USD
Order Size Increment0.1 SPX
Minimum Order Value50 USD
Maximum Order Size200,000 SPX
Maximum Number of Open Orders50
Position Limit680,000 SPX
Price Band Factor20%
Funding Clamping Rate5%

Mark Price Parameters

ParameterValue
EWMA Factor15%

Cross Margin Parameters

ParameterValue
Base IMF20%
MMF Factor50%

IMF = Initial Margin Fraction

MMF = Maintenance Margin Fraction