TradingInstruments GuideFuturesTier 2PURR-USD-PERPCopy pageContract Specifications FeaturesValueProduct TypePURR Perpetual FutureSettlement CurrencyUSDCBase CurrencyPURRQuote CurrencyUSDFunding Period8.0 hoursPrice Tick Size0.00001 USDOrder Size Increment1 PURRMinimum Order Value50 USDMaximum Order Size4,000,000 PURRMaximum Number of Open Orders75Position Limit14,000,000 PURRPrice Band Factor20.0%Funding Clamping Rate5% Mark Price Parameters ParameterValueEWMA Factor20% Cross Margin Parameters ParameterValueBase IMF20%MMF Factor50% IMF = Initial Margin Fraction MMF = Maintenance Margin Fraction