Array
(
    [0] => Array
        (
            [symbol] => XBTU25
            [rootSymbol] => XBT
            [state] => Open
            [typ] => FFCCSX
            [listing] => 2024-11-18T04:00:00.000Z
            [front] => 2024-11-18T04:00:00.000Z
            [expiry] => 2025-09-26T12:00:00.000Z
            [settle] => 2025-09-26T12:00:00.000Z
            [listedSettle] => 2025-09-26T12:00:00.000Z
            [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] => 116373.03
            [limitDownPrice] => 
            [limitUpPrice] => 
            [prevTotalVolume] => 511811900
            [totalVolume] => 511812000
            [volume] => 100
            [volume24h] => 3618600
            [prevTotalTurnover] => 478426523751
            [totalTurnover] => 478426609589
            [turnover] => 85838
            [turnover24h] => 3105157370
            [homeNotional24h] => 31.0515737
            [foreignNotional24h] => 3618600
            [prevPrice24h] => 116735
            [vwap] => 116536.5342
            [highPrice] => 117432.5
            [lowPrice] => 114952
            [lastPrice] => 116499
            [lastPriceProtected] => 116499
            [lastTickDirection] => PlusTick
            [lastChangePcnt] => -0.002
            [bidPrice] => 116496
            [midPrice] => 116502.25
            [askPrice] => 116508.5
            [impactBidPrice] => 116495.8062
            [impactMidPrice] => 116513.25
            [impactAskPrice] => 116531.1022
            [hasLiquidity] => 1
            [openInterest] => 20598900
            [openValue] => 17680447848
            [fairMethod] => ImpactMidPrice
            [fairBasisRate] => 0.04
            [fairBasis] => 107.88
            [fairPrice] => 116506.51
            [markMethod] => FairPrice
            [markPrice] => 116506.51
            [indicativeSettlePrice] => 116398.63
            [instantPnl] => 1
            [timestamp] => 2025-09-18T01:02:20.537Z
            [minTick] => 0.01
            [capped] => 
            [closingTimestamp] => 2025-09-18T02:00:00.000Z
            [openingTimestamp] => 2025-09-18T01:00:00.000Z
        )

)