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XBTU25: Contract Specification

XBTU25
XBTU25 is in the XBT (Bitcoin) series.
The expiry month code is U (September).
XBTU25 expires in 2025.

Description

XBTU25 is a XBT/USD futures contract settling on the .BXBT30M Index. Each contract is worth 1 USD of Bitcoin.

Expiry: 26 Sept 2025, 12:00:00 pm, subject to Early Settlement.Maximum Initial Leverage: 100x
Maximum Maintenance Leverage: 200x

View the BitMEX Futures Contracts Guide

Full Contract Details

Ticker RootXBTU25: September 2025 (See Month Codes Reference)
Expiry Date26 Sept 2025, 12:00:00 pm, subject to Early Settlement.
Initial Margin1.00% + Entry Taker Fee + Exit Taker Fee
Maint. Margin0.50% + Exit Taker Fee
Mark Price83,977.18
Auto-Deleveraging EnabledYes: This contract is highly speculative and manages loss through auto-deleveraging.
Mark MethodFairPrice
Fair Basis2014.78
Fair Basis Rate5%
Fair Basis CalculationThis instrument is marked using the Impact Mid Price method.
Risk Limit75 BTC
Risk Step75 BTC
Open Interest15,902,500
24H Turnover25.5305 BTC
Total Volume125,606,600
TypeSettled in BTC, quoted in USD
Contract Size1 USD (Currently 0.00001191 BTC per contract)
SettlementThis contract settles on the .BXBT30M Index Value as of the 26 Sept, 12:00 pm (12:00:00 pm UTC). Subject to Early Settlement.
CommissionFees in BTC. See 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
Instant PNLEnabled

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