XBTUSDTM is the BTC-USDT perpetual swap mini contract. This contract has no expiry date, and is worth 0.001 BTC per contract.
*The interval time of funding settlement may change during periods of high market volatility. See relative announcements for details.

| Keyword | Description |
|---|---|
Contract Name | XBTUSDTM |
Type | Settled in USDT, quoted in USDT |
Expiry Date | Perpetual |
Contract Multiplier | 1 contract = 0.001 BTC |
Minimum Price Increment | 0.1 USDT |
Max Price | 1,000,000.0 USDT |
Max Limit Order Quantity | 1,000,000contract |
Max Market Order Quantity | 1,000,000contract |
Lot Size | 1contract |
Limit Price | 5.00% |
Initial Margin | 1/Leverage |
Maintenance Margin | 0.40% |
Risk Limit | 250,000.00000000 USDT |
Risk Limit Tick Size | 125,000.00000000 USDT |
Fee Rate | taker: 0.0600%; maker: 0.0200%; View the Fees Reference forMore details |
Open Interest | 6.53Mcontract |
Funding Interval | Every 8 Hours |
Funding Rate | 0.0059% |
Next Funding Fee Deduction Time | 02/13/2026 08:00:00 |
Base Symbol Interest | 8 Hour: .XBTINT8H; 1 Min: .XBTINT |
Quote Symbol Interest | 8 Hour: .USDTINT8H; 1 Min: .USDTINT |
Premium Index | 8 Hour: .XBTUSDTMPI8H; 1 Min: .XBTUSDTMPI |
Mark Method | Fair Price |