Index Options

所有普通股期權標准



交易單位

每期權合同代表100股。

權利金報价

用點和分數表示。一點相當于100美元。在3 美元以下交易的期權 系列的最小跳動點是 0.05(5美元)。所有其它系列的最小跳動點為0.10 (10美元)。

執行价格區間

交易价格在$25.5以下的股票的區間為 2-1/2點。交易价格在25美 元和200美元之間的股票的區間為5點。交易价格在200美元以上的股票的區間為10點。

履約類型

美式。期權可在到期日前的任何一個工作日履約。

到期月

兩個近期月和一月，二月，或三月季度周期里的另外兩個月。

到期日

到期月里緊接著第三個星期五的星期六。

持有量限制

限制的數量根据流通股的數量和成交量的不同而不同。最大的并且 是頻繁交易的股票的期權持有量限制為250,000合同。較小資本化的股票的持有量限 制為 200,000， 75,000，50,000 或25,000 合同。一些交易所交易基金的持有量限 制甚至高于250,000。有客戶對沖豁免。

未持報立權人的最低客戶融資

對通盤指數來說，融資的數量為權利金的數量加上15%當前底層指 數价值（指數值乘以100美元），減去期權成為蝕价的數量（如果有的話）。對看漲 期權來說，融資的最小數量不小于權利金加上10%的底層指數的价值。對看跌期權來 說，融資的最小數量不小于權利金加上10%的看跌期權的執行价格。
對各個工業指數和窄盤指數來說，融資的數量為權利金的數量加上20%當前底層指數 价值（指數值乘以100美元），減去期權成為蝕价的數量（如果有的話）。對看漲期 權來說，融資的最小數量不小于權利金加上10%的底層指數的价值。對看跌期權來說， 融資的最小數量不小于權利金加上10%的看跌期權的執行价格。

交易時間

東部時間的上午9:30至下午4:00。

履約結算价格

執行价格乘以$100。

履約結算時間

在任何工作日遞交的履約通知會導致在履約后的第三個工作日的底 層股票的遞交。


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