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AllXBTUSD60831.0+2.43%XBTEUR52387.0+2.57%XBTZ2162206.0+2.26%XBTH2264459.0+2.53%XBTV2161097.0+2.23%XBTEURZ2153750.0+2.09%AAVEUSDT310.13+4.24%ADAUSD2.2041+2.27%ADAZ210.00003639+0.52%AVAXUSD60.514+9.92%AXSUSDT124.709-2.73%ALTMEXUSD175.00+3.12%DEFIMEXUSD215.96+3.27%BCHUSD635.35+4.12%BCHZ210.010400+1.33%BNBUSD467.09+1.45%DOGEUSD0.23760+4.27%DOTUSD42.687+7.44%EOSUSDT4.6015+2.28%EOSZ210.00007524-0.57%ETHUSD3906.05+3.36%ETHUSDZ214591.30+3.18%ETHZ210.06444+0.99%LINKUSDT27.5675+3.98%LTCUSD187.65+4.29%LTCZ210.003125+2.83%LUNAUSD37.224+0.51%MATICUSDT1.5070-0.03%SOLUSDT159.806+0.67%SUSHIUSDT11.373+7.43%UNIUSDT27.935+8.51%SRMUSDT7.406-0.22%TRXUSDT0.09920-1.67%TRXZ210.0000016208-2.60%XRPUSD1.1488+2.74%XRPZ210.00001893+0.96%VETUSDT0.12095+5.16%XLMUSDT0.40046+11.91%.BXBT60806.28+2.51%.BETH3902.56+3.45%.BVOL24H3.60+14.29%Funding: 06:57:09 @ 0.0116%Time: 1:02:50 PM UTC
XBTZ21: Contract Specification
XBTZ21 is in the XBT (Bitcoin) series.
The expiry month code is Z (December).
XBTZ21 expires in 2021.


XBTZ21 is a XBT/USD futures contract settling on the .BXBT30M Index. Each contract is worth 1 USD of Bitcoin.

Expiry: Dec 31, 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 RootXBTZ21: December 2021 (See Month Codes Reference)
Expiry DateDec 31, 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 Price62198.20
Auto-Deleveraging EnabledYes: This contract is highly speculative and manages loss through auto-deleveraging.
Mark MethodFairPrice
Fair Basis1391.92
Fair Basis Rate11%
Fair Basis CalculationThis instrument is marked using the Impact Mid Price method.
Risk Limit75 XBT
Risk Step75 XBT
Open Interest178,137,400
24H Turnover939.1132 XBT
Total Volume2,787,827,800
TypeSettled in XBT, quoted in USD
Contract Size1 USD (Currently 0.00001608 XBT per contract)
SettlementThis contract settles on the .BXBT30M Index value as of the Dec 31, 12:00 PM (12:00:00 PM UTC). Subject to Early Settlement.
CommissionSee the Fees Reference for more details.
Minimum Price Increment0.5 USD
Minimum Trade Amount100 USD
Max Price1,000,000
Max Order Quantity10,000,000
Lot Size100