Stock Buying Power May 2026

Brokers require you to keep a certain percentage of equity in your account (usually 25% or higher). If you dip below this, you’ll face a margin call , where your buying power hits zero (or goes negative), and you're forced to deposit cash or sell assets.

This is where things get more powerful—and more dangerous. A margin account allows you to borrow money from your broker to buy more stock than you could with your own cash. stock buying power

Your buying power isn't a static number. It changes based on: Brokers require you to keep a certain percentage

AI responses may include mistakes. For financial advice, consult a professional. Learn more A margin account allows you to borrow money

While it sounds simple, how it’s calculated depends entirely on what kind of account you’re using. 1. Cash Account Buying Power