$美国原油ETF(U_老虎社区_美港股上老虎 - 老虎社区

$美国原油ETF(USO)$ 昨天在etf 5.45元的时候，买入了4月17日行权的价外put，行权价4元。put的买入价是0.11元。随后原油大跌，etf也跌倒了5.1元了。但put的价格也跌倒0.06元？？？

按道理正股跌，put应该涨啊，而且也不是末日期权？请大神教导一下，谢谢！

请教老司机

新手们：把你的问题甩到这里来！欢迎“老司机”虎友们入驻答疑！！！

免责声明：上述内容仅代表发帖人个人观点，不构成本平台的任何投资建议。

精彩评论

秋木林
2020-04-10
秋木林
期权价格根据标的物（股价）时间（越来越少）波动率（越大越贵，越小越便宜）
如果你波动率高了时候追进去，你就是买高了，及时后期正股不变（但波动率低了）你的期权价格也会变低。
- 秋木林回复莫言路遥余秋雨:
  还有，千万不要购买没有流动性的期权。买之前要看清楚交易量，未平仓数。
  同时怎么判断期权是否高价买了市价，把当时时间价值+价内价值=实时期权价格。
- 秋木林回复莫言路遥余秋雨:
  期权价格由3个组成。标的物（股价）时间（越来越少）隐藏波动率（过去20天时间，波动幅度）
  
  比如股价50元，隐藏波动率20%，说明这只股票在一定时间内，股价应该会到50+（50±20%）=40-60元。如果是200%，说明波动率很大。
  所以期权价=股价+时间+波动率，波动率低，期权价格低，波动率便宜，波动率高期权价格贵。
- 莫言路遥余秋雨:
  兄好期权波动率能详细解释一下吗
涡旋压缩机
2020-04-10
涡旋压缩机
我买了21.1.15日行权价5.5的期权。合约价1.02。不知道到时候能不能涨到6.5以上。大家怎么看？
Norman_111
2020-04-10
Norman_111
个人理解, 虽然正骨跌了但是到行权日跌倒4的概率反而更低了. 期权的时间价值指数级变小.
秋木林
2020-04-10
秋木林
所以购买期权，应该在波动率低得时候买入，高的时候，卖出（卖高价）

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期权波动率能详细解释一下吗"}],"verified":10,"allocateAmount":0,"commentType":"valid","coins":0,"score":0},{"id":2327139,"gmtCreate":1586479876306,"gmtModify":1586479876306,"authorId":3492467808042496,"author":{"id":3492467808042496,"authorId":3492467808042496,"name":"涡旋压缩机","avatar":"https://static.tigerbbs.com/3101362249a739d1cf64f5afbbfbacee","vip":1,"crmLevel":1,"crmLevelSwitch":0,"individualDisplayBadges":[]},"repliedAuthorId":0,"objectId":928355979,"type":1,"supId":0,"prevId":0,"content":"我买了21.1.15日行权价5.5的期权。合约价1.02。不知道到时候能不能涨到6.5以上。大家怎么看？","text":"我买了21.1.15日行权价5.5的期权。合约价1.02。不知道到时候能不能涨到6.5以上。大家怎么看？","html":"我买了21.1.15日行权价5.5的期权。合约价1.02。不知道到时候能不能涨到6.5以上。大家怎么看？","likeSize":0,"commentSize":0,"subComments":[],"verified":10,"allocateAmount":0,"commentType":"valid","coins":0,"score":0},{"id":2327088,"gmtCreate":1586478690238,"gmtModify":1586478690238,"authorId":3525916420420803,"author":{"id":3525916420420803,"authorId":3525916420420803,"name":"Norman_111","avatar":"https://static.tigerbbs.com/29479e15baa8b047c5bf2d072d990514","vip":1,"crmLevel":2,"crmLevelSwitch":0,"individualDisplayBadges":[]},"repliedAuthorId":0,"objectId":928355979,"type":1,"supId":0,"prevId":0,"content":"个人理解, 虽然正骨跌了但是到行权日跌倒4的概率反而更低了. 期权的时间价值指数级变小.","text":"个人理解, 虽然正骨跌了但是到行权日跌倒4的概率反而更低了. 期权的时间价值指数级变小.","html":"个人理解, 虽然正骨跌了但是到行权日跌倒4的概率反而更低了. 期权的时间价值指数级变小.","likeSize":0,"commentSize":0,"subComments":[],"verified":10,"allocateAmount":0,"commentType":"valid","coins":0,"score":0},{"id":2328391,"gmtCreate":1586524445499,"gmtModify":1586524445499,"authorId":3458738367709590,"author":{"id":3458738367709590,"authorId":3458738367709590,"name":"秋木林","avatar":"https://static.tigerbbs.com/1be4cdfffc5173c5dafa9697b7678151","vip":1,"hat":"https://static.tigerbbs.com/b073a07f77dbe6b3bec6b12311fde6bd","crmLevel":2,"crmLevelSwitch":0,"individualDisplayBadges":[]},"repliedAuthorId":0,"objectId":928355979,"type":1,"supId":0,"prevId":0,"content":"所以购买期权，应该在波动率低得时候买入，高的时候，卖出（卖高价）","text":"所以购买期权，应该在波动率低得时候买入，高的时候，卖出（卖高价）","html":"所以购买期权，应该在波动率低得时候买入，高的时候，卖出（卖高价）","likeSize":0,"commentSize":0,"subComments":[],"verified":10,"allocateAmount":0,"commentType":"valid","coins":0,"score":0}],"isCommentEnd":false,"isTiger":false,"isWeiXinMini":false,"url":"/m/post/928355979"}