Short Put 2899 @ $2.3

Sell to open 20 contracts of 2899.HK $2.3 Sep 12 Put @ $0.05
Premium = $2000
交易時的正股價 = $2.42
20手2899 正股平均潛在成本 = $2.3 x 20 x 2000 = $92000
項目回報率 = $2000/92000 = 2.2% (或 年度化 36.5%)
組合回報率 = $2000/2054903 = 0.097% (或 年度化 1.6%)
Option引伸波幅 = 42.7%
2899的30日歷史波幅 = 43.4%
2899於9月27日前收高於$2.3的機會率 = 68.4%