Like other stocks, C/PN shares are traded on stock exchanges, e.g. Nasdaq, Nyse, Euronext, and the easiest way to buy them is through an online stock broker. To do this, you need to open an account and follow a broker's procedures, then start trading. You can trade Citigroup Capital XIII 7.875% Fixed rate Floating Rate trust Preferred Securities (TruPS) stock right from TradingView charts — choose your
broker and connect to your account.