【判断题】【消耗次数：1】
波动率是影响期权价格的重要因素之一，在其他因素不变的前提下，波动率越高，看涨期权价格越低，看跌期权价格越高
①
正确
②
错误
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相关题目
【多选题】
关于期权价格影响因素，以下说法正确的是？
①
期权价格的高低很大程度上由期货价格决定
②
期权距到期日时间越长，期权费就越高
③
预期波动率越大的货币期权，其期权费越高
④
货币利率越高，期权费越低，利率越低，期权费越高
⑤
期权价格通常是期权交易双方在交易所内通过竞价方式达成的
随机题目
【单选题】
9.“Has he seen this film?” “Yes. He _______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
10.Now Mike isn’t here. He _________ Mr. Green’s. Perhaps he _______ back in a few minutes.
①
went to; is coming
②
has gone to; will come
③
has been to ; will be
④
is going to; has come
【单选题】
8.They can’t leave until they ______ their work.
①
did
②
are doing
③
have done
④
has done
【单选题】
7. My uncle __________ to see me. He’ll be there soon.
①
comes
②
is coming
③
had come
④
came