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Friday, May 15, 2009

平倉 + 建倉

今日用 0.05 平左2628 @ 24 sp 兩張
即係賺 0.56*2 - 0.05* 2 - 0.2 (commission) - x (tax) = 0.8 * 1000 = $800
真係好少錢.........

就收市時做左3968 5 手 short call @ 19 June
共收0.8 *500 * 5 = 2000
入市理由後補.....

3 comments: