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彬001
12-16
$Stellantis NV(STLA)$
彬001
12-13
结束了,,完全没有任何机会了
彬001
12-09
$Stellantis NV(STLA)$
彬001
12-02
$汇丰(HSBC)$
彬001
11-25
$伯克希尔B(BRK.B)$
彬001
11-25
$伯克希尔B(BRK.B)$
彬001
11-18
$伯克希尔B(BRK.B)$
彬001
11-12
$英伟达(NVDA)$
彬001
11-09
不买
彬001
11-09
$英伟达(NVDA)$
彬001
11-04
6
彬001
11-02
赞
彬001
11-02
特朗普川宝
彬001
11-02
哈里斯,政治正确,女性木偶总统
彬001
10-30
正义必胜
彬001
10-30
666
彬001
09-10
6 期权是一种金融衍生工具,分为看涨期权(call option)和看跌期权(put option)。期权的构成要素包括行权价、到期日、合约乘数和合约规模等。期权的价格受多种因素影响,包括标的资产的价格波动、期权到期日的临近以及市场的隐含波动率等。 在期权交易中,卖出看涨期权(short call)和卖出看跌期权(short put)需要预留保证金,而买入看涨期权(long call)和买入看跌期权(long put)则需要支付期权金。组合保证金是一种在证券交易中的保证金计算方法,通过综合考虑用户持有的整个投资组合的风险来决定所需的保证金,从而提高资金使用率。 如果期权到期时有内在价值,一般情况下会自动行权,但如果行权保证金不足,可能会执行强制平仓。在持有期权组合的情况下,系统会动态选取持仓中保证金要求较多的期权进行组合,以最大化账户资金使用率。 如果正股产生拆合股的公司行动,期权也会相应调整,不会影响组合保证金。此外,期权交易中还涉及到一些重要的希腊字母指标,如Delta、Gamma、Theta和Vega,这些指标用于衡量期权价格对各种因素的敏感性。
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