: Offers the "Fidelity ZERO" lineup (e.g., FZROX, FNILX) with a 0% expense ratio and no investment minimums.
In 2026, the best place to buy index funds depends on whether you prioritize absolute lowest costs, user experience, or advanced automation. is currently the top-rated overall choice due to its industry-leading zero-expense-ratio funds and highly-rated customer satisfaction. Vanguard remains the "cathedral" for long-term buy-and-hold investors who value an investor-owned structure, while Charles Schwab excels for those wanting a balance of top-tier research and physical branch access. Top Platforms for Index Funds (2026) Fidelity Investments: Best Overall Value best place to buy index funds
“Vanguard has excellent funds but a clunky user interface... Fidelity has a great user interface and super research tools.” Reddit · r/personalfinance · 5 years ago : Offers the "Fidelity ZERO" lineup (e
: Critics often describe its website and app as functional but "clunky" and outdated compared to competitors. Charles Schwab: Best for Beginners & Service Charles Schwab: Best for Beginners & Service AI
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: Through "Stocks by the Slice," you can invest in over 7,000 stocks and ETFs starting at just $1.
: Only major discount broker with over 400 physical branches for in-person consultations.