Array ( [0] => Array ( [symbol] => XBTK24 [rootSymbol] => XBT [state] => Open [typ] => FFCCSX [listing] => 2024-03-26T04:00:00.000Z [front] => 2024-03-26T04:00:00.000Z [expiry] => 2024-05-31T12:00:00.000Z [settle] => 2024-05-31T12:00:00.000Z [listedSettle] => 2024-05-31T12:00:00.000Z [positionCurrency] => USD [underlying] => XBT [quoteCurrency] => USD [underlyingSymbol] => XBT= [reference] => BMEX [referenceSymbol] => .BXBT30M [maxOrderQty] => 10000000 [maxPrice] => 1000000 [lotSize] => 100 [tickSize] => 0.5 [multiplier] => -100000000 [settlCurrency] => XBt [underlyingToSettleMultiplier] => -100000000 [isQuanto] => [isInverse] => 1 [initMargin] => 0.01 [maintMargin] => 0.005 [riskLimit] => 7500000000 [riskStep] => 7500000000 [taxed] => 1 [deleverage] => 1 [makerFee] => 0.0002 [takerFee] => 0.00075 [settlementFee] => 0 [prevClosePrice] => 64730.42 [limitDownPrice] => [limitUpPrice] => [prevTotalVolume] => 3307700 [totalVolume] => 3307700 [volume] => 0 [volume24h] => 43800 [prevTotalTurnover] => 4906601818 [totalTurnover] => 4906601818 [turnover] => 0 [turnover24h] => 68191452 [homeNotional24h] => 0.68191452 [foreignNotional24h] => 43800 [prevPrice24h] => 64170 [vwap] => 64231.0262 [highPrice] => 64787.5 [lowPrice] => 63986 [lastPrice] => 64203 [lastPriceProtected] => 64471.31 [lastTickDirection] => PlusTick [lastChangePcnt] => 0.0005 [bidPrice] => 64263.5 [midPrice] => 64314 [askPrice] => 64364.5 [impactBidPrice] => 64021.7162 [impactMidPrice] => 64372.25 [impactAskPrice] => 64723.2434 [hasLiquidity] => [openInterest] => 446300 [openValue] => 688207989 [fairMethod] => ImpactMidPrice [fairBasisRate] => 0.19 [fairBasis] => 843.58 [fairPrice] => 64849.77 [markMethod] => FairPrice [markPrice] => 64849.77 [indicativeSettlePrice] => 64006.19 [instantPnl] => [timestamp] => 2024-05-06T04:21:28.098Z [minTick] => 0.01 [capped] => ) )