Short put 2823 @ $9.5 / 2899 @ $2.9 (Jan)

Sell to open 5 contracts of 2823.HK $9.5 Jan 13 Put @ $0.04
Premium = $1000
交易時的正股價 = $10.70
5手2823正股平均潛在成本 = $9.5 x 5 x 5000 = $237500
項目回報率 = $1000/237500 = 0.42% (或 年度化 3.8%)
組合回報率 = $1000/2337928 = 0.04% (或 年度化 0.39%)
Option引伸波幅 = 27.31%
2823的30日歷史波幅 = 23.23%
2823於1月30日前收高於$9.5的機會率 = 93.92%

Sell to open 20 contracts of 2899.HK $2.9 Jan 13 Put @ $0.06
Premium = $2400
交易時的正股價 = $3.01
20手2899正股平均潛在成本 = $2.9 x 20 x 2000 = $116000
項目回報率 = $2400/116000 = 2.1.% (或 年度化 18.9%)
組合回報率 = $2400/2337928 = 0.1% (或 年度化 0.94%)
Option引伸波幅 = 27.2%
2899的30日歷史波幅 = 14.8%
2899於1月30日前收高於$2.9的機會率 = 77.7%