OPUSDT
OPUSDT is in the OP (Optimism) series.
The quote currency is USDT (Tether).
Description
OPUSDT is a OP/USDT perpetual contract priced on the .BOPT Index. Each contract has a value equal to its price in Tether.
Funding is paid and received every 8 hours. The next payout event is at 8:00 pm UTC.
OPUSDT 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 .OPUSDTPI8H 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: 20x
Maximum Maintenance Leverage: 40x
Maximum Maintenance Leverage: 40x
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 | OP | USDT | .OPUSDTPI8H |
| 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 | OPUSDT |
| Expiry Date | Perpetual, subject to Early Settlement |
| Initial Margin | 5.00% + Entry Taker Fee + Exit Taker Fee |
| Maint. Margin | 2.50% + Exit Taker Fee + Funding Rate |
| Funding Base Rate | 0.0300% |
| Funding Quote Rate | 0.0600% |
| Funding Premium Symbol | .OPUSDTPI8H |
| Funding Rate | 0.0100% |
| Funding Interval | every 8 hours |
| Next Funding | 1 Apr 2025, 8:00:00 pm |
| Predicted Rate | 0.0100% |
| Mark Price | 0.7591 |
| Auto-Deleveraging Enabled | Yes: This contract is highly speculative and manages loss through auto-deleveraging. |
| Mark Method | FairPrice |
| Fair Basis | 0.0001 |
| 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 USDT |
| Risk Step | 1,000,000 USDT |
| Open Interest | 70 |
| 24H Turnover | 0.00 USDT |
| Total Volume | 47,189 |
| Type | Settled in USDT, quoted in USDT |
| Contract Size | 1 OP (Currently 0.759100 USDT per contract) |
| Settlement | This contract is perpetual and does not settle. Subject to Early Settlement. |
| Commission | Fees in USDT. See the Fees Reference for more details. |
| Minimum Price Increment | 0.0001 USDT |
| Minimum Trade Amount | 1 OP |
| Max Price | 10,000 |
| Max Order Quantity | 1,000,000,000 |
| Lot Size | 1 |
| Instant PNL | Disabled |