u/Few-Function3006

I opened a Moomoo US account with ITIN, and I'm certain that 30% tax will be deducted from my dividends. But will I also have 30% tax deducted from the profits I make from buying and selling stocks?

I opened a Moomoo US account with ITIN, and I'm certain that 30% tax will be deducted from my dividends. But will I also have 30% tax deducted from the profits I make from buying and selling stocks?