Many US stocks can now be purchased on-chain. Interestingly, some small-cap ones are available, but some large-cap ones are not. Also, keep in mind that liquidity is very poor outside US stock trading hours, while it's decent during trading hours. However, for large orders, limit orders may face issues with market makers arbitraging, and instant purchases for large orders can have significant slippage (this becomes obvious when there's a lot of capital). Regarding the issue of profits and taxes with US brokers ➤ U OTC RMB