Two routes buy the share. The third buys exposure to its price and nothing else.
SWIFT23 US markets trade as perpetuals on Canborsa โ 21 single names and 2 index contracts, all open from Italy. Each one is a contract on the price.
Yes, no US law stops non-residents from buying and holding US stocks, and regulated brokers such as MEXEM make trading US shares from Italy straightforward and compliant with EU investor protection rules.
MEXEM is a regulated broker available to Italian residents for trading US stocks.
US dividends are generally subject to a 15% withholding tax for Italian residents under the US-Italy tax treaty, with a valid W-8BEN form.
Foreign dividends received by Italian tax residents are subject to a 26% substitute tax in Italy.