For a $100 investment, you must avoid fees that could instantly eat up your capital. In 2026, most major platforms offer $0 account minimums and $0 commission fees on U.S. stocks and ETFs.
: Best for long-term "set-it-and-forget-it" investors, though it focuses more on its own funds than individual stock picking. 2. Use Fractional Shares How to start investing with $100: A beginner's guide how to buy stocks with 100 dollars
: Features "Stock Slices," allowing you to buy fractional shares of S&P 500 companies for as little as $5 each. For a $100 investment, you must avoid fees
: Ranked as a top choice for beginners due to deep educational resources and fractional shares starting at just $1. : Ranked as a top choice for beginners
Investing $100 in the stock market is more accessible in 2026 than ever before, thanks to zero-commission trading and the ability to buy fractional shares.
: A highly intuitive mobile app for those who want a streamlined, hassle-free experience with no commissions.