SPDR S&P 500 ETF Trust

Here is a quantitative study of holding $SPY for only one day. Entering on Monday morning 9:30am ET and closing the position on Tuesday 9:30am ET.
2020 was a huge outlier with 49% gain. What's interesting is that 2022 produced ~4% with such approach.

![](https://cdn.commonstock.com/bfa6a5014a89a0d105bcac0149a3ace62144db0a2840890eaa386cdccc3af01b-2478x1888.png?fit=max&w=704)


![](https://cdn.commonstock.com/ae858517b9a713c717697e9c13c06562e7d17ad44ff5b006769ecd5ac8e5f402-2088x730.png?fit=max&w=704)
2018-2022 vs. $SPY buy&hold ^

Would be fascinating to see this for just fridays. In other words, how does the week close out 