Best Online Stock Brokers in 2025 — Ranked & Reviewed

Best Online Stock Brokers in 2025

Choosing the right online broker is one of the most important decisions you'll make as an investor. The best broker for you depends on your trading style, experience level, account size, and the types of assets you want to trade.

We've researched and tested dozens of platforms to bring you this definitive ranking of the best online stock brokers in 2025.

Our Top Picks

1. Robinhood — Best for Active Traders

Robinhood has quickly become one of the most popular trading platforms in the US, offering commission-free trading on stocks, ETFs, options, and crypto. Its advanced charting tools rival those of professional platforms at zero cost.

Key features: Extended hours trading (4AM–8PM ET), advanced technical analysis tools, paper trading for practice, fractional shares, IRA accounts available. Commission-free stock and ETF trades. Options trading at $0 per leg. Robinhood earns money through margin interest and order flow.

Best for: Active traders who want powerful tools without paying for them. The charting interface and real-time data make Robinhood exceptional value.

2. moomoo — Best Research Platform

moomoo (owned by Futu Holdings, a NASDAQ-listed company) offers institutional-grade research tools to retail investors. Its Level 2 market data is free — something most brokers charge $30+/month for.

Key features: Free Level 2 data, 24/7 customer support, PFOF-free order routing, paper trading, IPO access, options trading. Commission-free trades. Funded by Nasdaq-listed Futu Holdings, moomoo is well-capitalized and regulated.

Best for: Investors who want institutional-grade research and data without paying institutional prices.

3. Interactive Brokers — Best for Professionals

Interactive Brokers is the gold standard for professional and high-volume traders. IBKR offers access to 150+ markets in 33 countries, with some of the lowest margin rates in the industry.

Key features: Access to global markets, stocks/bonds/options/futures/forex/crypto, IBKR Pro and Lite tiers, algorithmic trading via API, lowest margin rates. IBKR Lite is commission-free; IBKR Pro charges $0.005/share with a $1 minimum.

Best for: Experienced investors, international traders, and anyone who wants the most sophisticated tools and global market access.

How We Rank Brokers

Our rankings consider: trading commissions and fees, platform usability, investment selection, research quality, customer support, account minimums, and security.

All major US brokers are SIPC-insured up to $500,000 per account, protecting your assets if the broker fails.

Bottom Line

For most retail investors, Robinhood or moomoo are the best starting points — commission-free, feature-rich, and easy to use. Power users who need global market access should look at Interactive Brokers.

Start with paper trading on any platform to get comfortable before risking real capital.