BBX will launch a contract product-BTCUSDT perpetual contract at 20:00 on August 22,2018 （Beijing Time）. Welcome old and new community members to experience and use.
The BTXUSDT perpetual contract is the world’s first BTC linear contract, and currently it is the only BTC contract product which uses USDT as a margin, meanwhile, it supports 100x leverage and position margin adjustment.
For more details please check Contract Help Document.
BTCUSDT Perpetual Contract’s Options are as follows:
| Name | BTCUSDT |
| Contract Standard | BTC |
| Contract Type | Linear Perpetual Contract（USDT as a margin） |
| Price Unit | USDT |
| Minimum Price Unit | 1 USDT |
| Maximum Leverage | 100x |
| Risk Limit | Risk Base=200,000USDT ，Risk Step Length=100,000USDT，Initial Margin Rate Each Step1% |
| Contract Size | 1Contract=0.0001BTC |
| Funds Rate Time(UTC) | 4:00 12:00 20:00 |
| Contract Expiration Time | Perpetual |
| Index Price | OKEx Binance Bittrex |
| Index Price Weight Ratio | 33%：33%：34% |
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BBX contract Project Team