He was unaware that he was being fobbed off with out-of-date stock.

他没有意识到对方正向他骗售过期存货。

《牛津词典》

Historical quote: the consumer passes in a stock symbol and a date; the provider returns a complex quote for the indicated stock and date.

历史报价：使用者传入股票代码和日期；提供程序返回指定股票和日期的复杂报价。

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Short selling rules were stepped up, and more procedures were put in place to ensure that a short seller would be able to deliver stock on settlement date.

上调卖空规则，设立更多程序以确保卖空者在结算日能交付股票。

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It must have been that they somehow knew on the issuance date that the stock price was going to go up, but he said they couldn't possibly know that in these general circumstances.

这一定是,他们在发放期权的当日就知道,股价将要上涨,但是李认为在正常情况下,他们是不可能知道的

耶鲁公开课 - 金融市场课程节选

When companies declare a dividend, they choose the amount per share, the date the stock will go ex-dividend, and the date payment will be made to shareholders of record.

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Year-to-date the stock is up 20.6%, and the company has been a player in the short squeeze.

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If you do wish to account for this, enter the value of the dividend payment with a negative sign on the date a stock goes ex-dividend, and add the number back in when the dividend is received.

FORBES: Six Simple Steps to Protecting Your Portfolio With Put Options