... Premium for Put Options 收取的权利金 put options spreads 卖出期权利差 call and put options 买入期权和卖出期权 ...
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put options spreads
看跌期权价差
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It looks like the investors are preparing for shares to continue lower by essentially selling call options to offset the cost of debit put spreads.
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Long-term bullish investors eyeing fresh multi-year highs by Jan. 2013 expiration appear to have sold put options on the stock in order to partially offset the cost of debit call spreads.
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