动因：预防双头。

Close: Jun15 $160 Calls 爱她34.7554

Long: Jan 17 $175 Calls at $29.2866

Short: Jan 17 $210 Calls at $10.0312

Maximum Loss $19.2554 paid

Maximum Return $15.7446, or ROI 81.76%

沧海概不荐股， YMYD. 历史交易当日记录于博客。

沧海2018A股持仓笔记