Can I day trade during the settlement period in a cash account?

External question — Personal Finance Stack Exchange Author: Angelica Original post: https://money.stackexchange.com/questions/116353 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. I'm a beginner at trading. Can I day trade during the settlement period in my cash account?