I have been reviewing how many investors confuse the rights of common and preferred shareholders, so I decided to delve deeper into this. The reality is that not all shares are the same, and understanding these differences can completely change your investment strategy.

The first thing to know is that companies mainly issue two categories of shares with very different characteristics. Common and preferred shareholders have fundamentally different rights over profits and company control, and this directly affects your profitability and risk.

Common shares are the most traditional type. They give you voting rights at shareholder meetings, meaning you can influence important decisions like electing executives. The dividend you receive depends on the company's performance, so in good years you earn quite a bit, but during economic crises, you might receive nothing. The growth potential is considerable, but so is volatility. In case of bankruptcy, common shareholders are last in line to recover anything, after creditors, bondholders, and preferred shareholders.

Preferred shares work differently. They generally do not give you voting power, but in exchange, they offer more stable and predictable dividends, often with fixed rates. This is where the game changes for many investors: you have priority over common shareholders to receive dividends, even if the company faces difficulties. There are interesting variants like cumulative preferred shares, where unpaid dividends accumulate for later payment, or convertible preferred shares, which you can transform into common shares under certain conditions.

Let’s think about who should choose each one. If you are someone with a high-risk profile, seeking long-term growth, and have time to withstand market fluctuations, common shares are your option. But if you prefer regular income, are close to retirement, or simply want to reduce volatility in your portfolio, preferred shareholders gain greater security with those guaranteed dividends.

An interesting fact to understand the real behavior: the S&P U.S. Preferred Stock Index, which represents approximately 71% of the preferred stock market in the U.S., fell 18.05% over a five-year period, while the S&P 500 rose 57.60%. This exactly reflects what I’m saying: preferred stocks offer more stability but lower growth potential compared to common stocks.

The smartest strategy is usually diversification. Mix both types according to your age, goals, and risk tolerance. Common and preferred shareholders have complementary roles in a well-constructed portfolio. If you want to start, choose a regulated broker, open your account, carefully analyze the companies you’re interested in, and execute market or limit orders according to your strategy. You can also trade CFDs on these shares if your platform offers them.

The key is to understand that there is no universally better option. It all depends on where you are in your financial life and what you expect to gain from your investments. Common and preferred shareholders respond to different needs, and both have a place in smart portfolios.