投資分享及大市趨勢, 以Bible作為後盾 and 4 basic stock option strategies (賣出認估/買入認購或賣出認購/買入認估期權四招): Short put/Long call V.S. Short Call/Long put
https://www.biblegateway.com/passage/?search=%E6%AD%8C%E7%BE%85%E8%A5%BF%E6%9B%B8+1%3A9-10&version=AMP
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