More completely stated, the second typical question would run, Should security s be bought (or sold, or retained) at price p, at this time t, by individual I?

对第二个典型问题的更完整的表述就是：个人I是否应该在时间t以价格p买入(或卖出，或持有)证券s ？

youdao

That's another conventional formula that goes from interest rate to price of the security.

这是另一条已知利率,求证券价格的经验公式

耶鲁公开课 - 金融市场课程节选

So when news happens, it surprises them all and changes a security's price.

ECONOMIST: Economics focus

The SEC is also considering rules that would prevent trades from occurring unless they fell within a certain range based on the security's current price.

ECONOMIST: The post mortem into the stockmarket slide of May 6th

Given the security's positive price action during this period of rising bearish sentiment, this added put volume is seen as a positive indicator for the shares from a contrarian perspective.

FORBES: Cisco Leads Networkers Lower