XBTUSD
XBTUSD_BBX is in the XBT (Bitcoin) series.
The quote currency is USD (US Dollar).
Description
XBTUSD_BBX is a XBT/USD perpetual contract priced on the .BXBT Index. Each contract is worth 0.010 mBTC per $1 price, currently 0.84850620 BTC.
Funding is paid and received every 8 hours. The next payout event is at 8:00 pm UTC.
XBTUSD_BBX uses a Premium Index to calculate funding rates. The underlying interest rates are quoted in the Funding Base Rate and Funding Quote Rate, and the premium rate is quoted in the .XBTUSD_BBXPI8H Index. These are used to calculate the final funding rate.
Today, longs will pay 0.0100%, and shorts will receive 0.0100% at 8:00 pm UTC. BitMEX does not charge fees on funding payments.
Expiry: Perpetual, subject to Early Settlement.Maximum Initial Leverage: 250x
Maximum Maintenance Leverage: 500x
Maximum Maintenance Leverage: 500x
View the BitMEX Perpetual Contracts Guide
Funding Calculation
More information about the funding rate is available in the Perpetuals Guide.
| Funding Base Rate | Funding Quote Rate | Premium | |
| Symbols | XBT | USD | .XBTUSD_BBXPI8H |
| Rates | 0.03% | 0.06% | 0.01% |
I = Interest Rate, B = Funding Base Rate, Q = Funding Quote Rate, T = Funding Times Per Day P = Premium Rate, F = Funding Rate
TheFunding Rateis the rate exchanged between users.
ThePremium Rateis used to calculate it, adjusted by theInterest Rateby up to 0.05%.
Formula
I = (Q - B) / T
F = P + Clamp(I - P, -0.05%, 0.05%)
Result
I = 0.0100%I = (0.06% - 0.03%) / 3F = 0.0100%F = 0.0100% + Clamp(0.0100% - 0.0100%, -0.05%, 0.05%)
Full Contract Details
| Ticker Root | XBTUSD_BBX |
| Expiry Date | Perpetual, subject to Early Settlement |
| Initial Margin | 0.40% + Entry Taker Fee + Exit Taker Fee |
| Maint. Margin | 0.20% + Exit Taker Fee + Funding Rate |
| Funding Base Rate | 0.0300% |
| Funding Quote Rate | 0.0600% |
| Funding Premium Symbol | .XBTUSD_BBXPI8H |
| Funding Rate | 0.0100% |
| Funding Interval | every 8 hours |
| Next Funding | 1 Apr 2025, 8:00:00 pm |
| Predicted Rate | 0.0100% |
| Mark Price | 84,850.62 |
| Auto-Deleveraging Enabled | Yes: This contract is highly speculative and manages loss through auto-deleveraging. |
| Mark Method | FairPrice |
| Fair Basis | 3.73 |
| Fair Basis Rate | 10% |
| Fair Basis Calculation | The fair basis on this instrument is determined by an annualized calculation of the funding rate. |
| Risk Limit | 1,000,000,000,000 XBt |
| Risk Step | 1,000,000,000,000 XBt |
| Open Interest | 0 |
| 24H Turnover | 0 XBt |
| Total Volume | 4,000 |
| Type | Settled in BBX, quoted in USD |
| Contract Size | 0.010 mBTC per 1 USD (Currently 0.084850620 BBX per contract) |
| Settlement | This contract is perpetual and does not settle. Subject to Early Settlement. |
| Commission | Fees in BBX. See the Fees Reference for more details. |
| Minimum Price Increment | 0.5 USD |
| Minimum Trade Amount | 100 BTC |
| Max Price | 1,000,000 |
| Max Order Quantity | 10,000,000 |
| Lot Size | 100 |
| Instant PNL | Disabled |