What Is a Ticker Symbol?

A ticker symbol is a short, unique abbreviation that identifies a security on an exchange. Apple is AAPL, Microsoft is MSFT, Nvidia is NVDA, and the popular S&P 500 ETF is SPY. The name comes from the old ticker-tape machines that printed prices on a paper strip.

Tickers exist because typing or saying a full company name every time would be slow and ambiguous. A short code is faster and removes confusion between similarly named companies.

When a company lists on an exchange, it chooses a ticker, subject to availability and the exchange's rules. Many are obvious abbreviations of the company name, while others are chosen to be memorable or clever.

Length is loosely tied to the exchange. Historically, NYSE-listed companies often had one to three letters and Nasdaq companies four, though this is no longer a strict rule.

Sometimes you will see a ticker with a letter after a dot, like BRK.A and BRK.B for Berkshire Hathaway. These are different share classes of the same company, often with different prices and voting rights.

For a beginner, the practical takeaway is to make sure you are looking at the class you intend to. The two can trade at very different prices for the same underlying business.

You rarely need to memorize tickers. On Money Masters, the search bar at the top lets you type a company name or ticker and jump straight to its page, with the price, chart, and key metrics.

Once you find a company, you can add it to your watchlist to follow it, or read how to interpret its quote in our guide on reading a stock quote.