Array ( [0] => Array ( [symbol] => XBTK25 [rootSymbol] => XBT [state] => Open [typ] => FFCCSX [listing] => 2025-03-25T04:00:00.000Z [front] => 2025-03-25T04:00:00.000Z [expiry] => 2025-05-30T12:00:00.000Z [settle] => 2025-05-30T12:00:00.000Z [listedSettle] => 2025-05-30T12:00:00.000Z [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] => 0.0005 [takerFee] => 0.0005 [settlementFee] => 0 [prevClosePrice] => 104036.1 [limitDownPrice] => [limitUpPrice] => [prevTotalVolume] => 21852500 [totalVolume] => 21887000 [volume] => 34500 [volume24h] => 2175000 [prevTotalTurnover] => 21853392869 [totalTurnover] => 21886905954 [turnover] => 33513085 [turnover24h] => 2074538492 [homeNotional24h] => 20.74538492 [foreignNotional24h] => 2175000 [prevPrice24h] => 103550 [vwap] => 104843.7828 [highPrice] => 107262.5 [lowPrice] => 102834 [lastPrice] => 102837 [lastPriceProtected] => 102837 [lastTickDirection] => PlusTick [lastChangePcnt] => -0.0069 [bidPrice] => 102720 [midPrice] => 102942.5 [askPrice] => 103165 [impactBidPrice] => 102720.0263 [impactMidPrice] => 102997.25 [impactAskPrice] => 103274.8453 [hasLiquidity] => [openInterest] => 214200 [openValue] => 208223820 [fairMethod] => ImpactMidPrice [fairBasisRate] => 0.05 [fairBasis] => 158.58 [fairPrice] => 102869.78 [markMethod] => FairPrice [markPrice] => 102869.78 [indicativeSettlePrice] => 102711.2 [instantPnl] => 1 [timestamp] => 2025-05-19T05:30:51.408Z [minTick] => 0.01 [capped] => [closingTimestamp] => 2025-05-19T06:00:00.000Z [openingTimestamp] => 2025-05-19T05:00:00.000Z ) )