Here is a little study for the intraday traders out there. Looking simply at SPY performance in the last 30 minutes of trading on Opex Friday.
![Last 30 minutes of trading on opex Friday has been weak since 2018.](https://quantifiableedges.com/wp-content/uploads/2021/10/2021-10-15.png)
Not a huge edge, but perhaps something worth keeping in mind as you consider how to close out the day.
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