...＝2000， （1 50-1 40） *1 00*3＝3000元共45000元0元 牛市差价期权（bull spreads） +有保护的看涨期权(writing a covered call) 201 4-7-28- 43 - 谢 谢 ！- 44 -
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writing a covered call
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
Though covered call writing is getting more attention as a way to generate returns when a stock isn't expected to rise very much, some investors don't realize that these returns aren't guaranteed.
FORBES: Intelligent Investing
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