My one consideration about doing this in an IRA is that if you take a big loss, you can't replace the funds in the account beyond your yearly limit. If youre just looking to buy individual stocks to hold for various terms, that's fine, but day trading is typically more volitile. Don’t hold me to the actual details, but I suspect the broker collects interest during fast in/out trading in a margin account. But IRA accounts don’t support standard margin accounts, because loans are not allowed in them—so you have to be careful to avoid free-trading, or find a broker like Interactive Brokers or TD Ameritrade that What Are the Tax Consequences of Trading Stocks in an IRA Account? one of the best tools at your disposal is the individual retirement arrangement, or IRA. These kinds of accounts offer a