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小韭菜新鲜上市
小韭菜新鲜上市
·
2018-10-18
请教各大神期权的交易问题。
期权交易比较不活跃, 于是买盘和卖盘差距一般会有点大, 不过感觉买盘和卖盘的统计方法很不能理解。 比如伯克希尔B的期权, 买盘21.3显示33手,卖盘23.2显示33手, 我委托21.5美元1手,然后刷新, 买盘变成21.5美元25手(我只有1手,怎么我委托了,其它也跟着我变?下同), 我将委托改成22美元(仍然为1手), 买盘变成22美元15手, 不断尝试,都一样, 只是我委托价就后,买盘数量变少了, 期间卖盘一直没变,都是23.2显示33手, 最后我打入22.7,马上成交了(见图上那笔)。 对此有如下疑问请大神赐教: (1)为什么我委托的1手买盘,系统的买盘数量也跟着我的委托变化?即使有变,我也只委托1手,不是应该只显示我这1手吗?其它委托原来都低于我的价,为什么跟着我的委托变? (2)为什么卖盘23.2一直显示33手,而我最后打入的22.7成交了? 不要告诉我,买盘和卖盘,是一系列委托均价???真要这样,做期权要如何判断委托多少价可以成交?莫非还要一个一个价慢慢试? $道琼斯(.DJI)$ $纳斯达克(.IXIC)$ $阿里巴巴(BABA) $ $京东(JD) $ $伯克希尔(BRK.A) $ $三倍做多FTSE中国ETF-Direxion(YINN) $ $三倍做空黄金矿业指数ETF-Direxion(DUST) $
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