Contract Trading

BTC 重新站上63000美元，但7月10日Deribit期权到期和ETF资金流交织，短线更像是仓位博弈。

BTC is holding above $63,000, but the July 10 Deribit options expiry and ETF-flow backdrop make the next move more about positioning than headlines.

CME 的 BVX 框架提醒交易者，把预期波动率和 BTC 现货方向分开思考。

CME’s BVX framework gives traders a way to think about expected volatility separately from spot BTC price direction.

初始保证金决定能否开仓，维持保证金则决定仓位在被强平前还有多少缓冲。

Initial margin opens the trade, but maintenance margin decides how much room a futures position has before forced liquidation.

比较杠杆之前，期货交易者应先理解合约大小、最小变动价值、保证金和结算方式，因为这些因素决定真实敞口。

Before comparing leverage, futures traders should understand contract size, tick value, margin and settlement because those variables define real exposure.

只减仓订单可以防止原本用于平仓的委托，在原仓位已关闭后变成新的反向仓位。