I think it's mostly tax exempt at only the state level, no?
For tax advantage, I've recently found out about BOXX. You get roughly the same growth as a typical HYSA, but the value is added as actual value to the stock rather than dividends. So if you hold for at least one year, you can get HYSA interest but only pay capital gains tax.
For tax advantage, I've recently found out about BOXX. You get roughly the same growth as a typical HYSA, but the value is added as actual value to the stock rather than dividends. So if you hold for at least one year, you can get HYSA interest but only pay capital gains tax.