Personal Finance & Money Asked by user10012556 on June 14, 2021
I am going through my investment history, but there are a lot of option trades that don’t make sense. For example, in 2009, "OZC Jan 22 2011 25.0 Put" was the $25 put for QQQ expiring in 2011. I was able to find this one with trial and error, but how can I find the underlying for all of them in general?
I am looking for someplace that I can lookup OZC and find that it corresponds to QQQ.
In 2010, the OCC enacted Options Symbology Initiative (OSI) which expanded option symbols from 5 characters to 22 characters. In both cases, the option's root symbol was the stock's symbol unless the option was adjusted due to a corporate action such as a fractional split, a special dividend, etc.
The OCC provides a few months of option bulletins here. It also offers a search function. The CBOE used to have a similar feature but I don't know if they still do. And you can also google the root symbol to see if you can find a story/link.
Correct answer by Bob Baerker on June 14, 2021
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