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AllXBTUSD38315.0+11.98%XBTEUR32550.0+11.79%XBTU2138592.0+11.98%XBTZ2139539.0+12.30%XBTEURU2132577.0+11.23%AAVEUSDT313.91+9.95%ADAUSDT1.33204+9.15%ADAU210.00003348-2.93%ALTMEXUSD102.53+9.55%DEFIMEXUSD104.43+10.67%BCHUSD495.45+10.27%BCHU210.012771-2.53%BNBUSDT322.56+7.69%DOGEUSDT0.22295+14.96%DOTUSDT14.9990+12.51%EOSUSDT3.9035+7.76%EOSU210.00009817-4.52%ETHUSD2318.60+7.53%ETHUSDU212620.50+8.68%ETHU210.06019-3.91%FILUSDT50.84+4.29%LINKUSDT18.7415+13.76%LTCUSD137.01+9.41%LTCU210.003495-3.05%MATICUSDT1.0343+10.42%SOLUSDT30.046+7.45%SUSHIUSDT9.340+19.03%UNIUSDT19.572+9.03%TRXUSDT0.06146+8.57%TRXU210.0000015513-3.04%XRPUSD0.6576+9.00%XRPU210.00001675-3.90%VETUSDT0.08017+12.92%XLMUSDT0.27851+7.39%.BXBT38317.59+12.00%.BETH2316.78+7.53%.BVOL24H7.34+223.35%Funding: 07:52:09 @ 0.0065%Time: 4:07:50 AM UTC
XBTU21: Contract Specification
XBTU21 is in the XBT (Bitcoin) series.
The expiry month code is U (September).
XBTU21 expires in 2021.


XBTU21 is a XBT/USD futures contract settling on the .BXBT30M Index. Each contract is worth 1 USD of Bitcoin.

Expiry: Sep 24, 2021, 12:00:00 PM, subject to Early Settlement.Maximum Initial Leverage: 100x
Maximum Maintenance Leverage: 285.71x

View the BitMEX Futures Contracts Guide

Full Contract Details

Ticker RootXBTU21: September 2021 (See Month Codes Reference)
Expiry DateSep 24, 2021, 12:00:00 PM, subject to Early Settlement.
Initial Margin1.00% + Entry Taker Fee + Exit Taker Fee
Maint. Margin0.35% + Exit Taker Fee
Mark Price38581.92
Auto-Deleveraging EnabledYes: This contract is highly speculative and manages loss through auto-deleveraging.
Mark MethodFairPrice
Fair Basis253.4
Fair Basis Rate4%
Fair Basis CalculationThis instrument is marked using the Impact Mid Price method.
Risk Limit75 XBT
Risk Step75 XBT
Open Interest164,952,600
24H Turnover1,323.1336 XBT
Total Volume6,810,086,838
TypeSettled in XBT, quoted in USD
Contract Size1 USD (Currently 0.00002592 XBT per contract)
SettlementThis contract settles on the .BXBT30M Index value as of the Sep 24, 12:00 PM (12:00:00 PM UTC). Subject to Early Settlement.
CommissionSee the Fees Reference for more details.
Minimum Price Increment0.5 USD
Max Price1,000,000
Max Order Quantity10,000,000
Lot Size100