If you are considering buying or selling Boeing shares, you can do so through CFD (Contracts for Difference) brokers and dealers. CFD brokers offer online trading platforms that allow you to invest in shares such as Boeing through derivative contracts. To get started, select a reputable and regulated CFD broker. Open an account, make a deposit and access the trading platform. Search for Boeing shares among the financial instruments available, then place a buy or sell order according to your investment objectives.