VUSXX - 5.29%
Unless you specifically need the features of a savings account (eg ACH), money market funds are the way to go.
Are there any practical advantages to high yield savings account, then? Or do they only exist for people who don't understand how to buy money market funds?
I personally like CDs since the rate is locked and everyday someone is calling for a rate cut.
If the spread was 5%, the calculation would be different, of course.
Treasury Money Market Fund seeks to provide current income while maintaining liquidity and a stable share price of $1 per share.