The 5 Best Online Brokerage Accounts in 2026

Commissions Stopped Being the Differentiator Years Ago

If you're choosing a brokerage in 2026 based on trading commissions, you can stop — every major broker on this list charges $0 for stock trades, and most charge $0 for options too (or close to it). The real differences now show up in the details: how good the research tools are, what happens to uninvested cash, how the mobile app feels at 11pm when you're checking on something, and whether the account types you actually need (Roth IRA, custodial, joint) are well supported. Here's how the major players compare.

1. Fidelity — Best Overall

Fidelity charges $0 for stock trades and $0.65 per contract for options — standard pricing across the industry — but where it pulls ahead is everything around the trade. Their research is genuinely useful (not just marketing fluff), their cash management features are strong (uninvested cash in a brokerage account can sit in a money market fund earning a real yield, rather than sitting idle), and their customer service is consistently rated among the best in the industry.

If you're opening your first brokerage account and don't have a strong reason to pick something else, Fidelity is the safe, sensible default — and "safe and sensible" is underrated when it's your money.

2. Charles Schwab — Best for Long-Term, Research-Driven Investors

Schwab's pricing mirrors Fidelity's almost exactly — $0 stock trades, $0.65/contract for options — and after absorbing TD Ameritrade a few years back, Schwab also inherited thinkorswim, which remains one of the most powerful trading platforms available to retail investors, free of charge.

The thinkorswim platform is honestly more firepower than most long-term investors need, but if you ever want to dig into options strategies, backtesting, or detailed charting without paying for a separate platform, it's there. For buy-and-hold investors, Schwab's basic experience is just as smooth as Fidelity's.

3. Robinhood — Best for a Mobile-First, No-Friction Experience

Robinhood pioneered $0 commissions and still charges $0 for both stocks and options — genuinely $0 per contract, not just $0 plus a small per-contract fee like most competitors. Combined with an interface that's about as simple as a banking app, it remains the easiest on-ramp for someone making their first trade.

The tradeoff is that Robinhood's research tools and account type options are thinner than Fidelity's or Schwab's. If you mainly want to buy and hold a handful of stocks or ETFs from your phone without wading through a dense interface, it does that job well. If you want deep research or a wide range of retirement account types, it's not the strongest choice.

4. Interactive Brokers — Best for Power Users and International Investors

Interactive Brokers offers two pricing tiers: IBKR Lite, which is $0 for US stock trades, or IBKR Pro, which charges $0.005 per share but gives you access to better order routing and lower margin rates. Options run $0.65/contract on Lite or as low as $0.25/contract on Pro for active traders.

This is overkill for most casual investors, but if you trade internationally, want access to dozens of foreign exchanges, or trade large volumes where a fraction of a cent per share actually adds up, IBKR is in a category of its own.

5. Vanguard — Best for Buy-and-Hold Index Fund Investors

Vanguard charges $0 for stock and ETF trades and $1.00 per contract for options — the only broker on this list that still charges anything meaningful for options, which tells you something about who Vanguard is built for. This is the broker built around Vanguard's own index funds, and if your strategy is "buy a few low-cost index funds and don't touch them for 30 years," Vanguard's platform is purpose-built for exactly that.

Don't go to Vanguard expecting a flashy trading experience — their app and website are famously no-frills. But for the buy-and-forget crowd, that's arguably a feature, not a bug.

Margin Rates and Borrowing Against Your Portfolio

If you ever plan to borrow against your investments (margin trading, or simply a low-cost line of credit secured by your portfolio), margin rates vary meaningfully across these brokers. Interactive Brokers is consistently the cheapest for margin borrowing by a wide margin (no pun intended), often several points below the big-name retail brokers. This is a niche consideration for most buy-and-hold investors, but worth knowing if you anticipate ever wanting portfolio-backed borrowing rather than a traditional personal loan.

Honorable Mention: Webull

Webull ($0 commissions on both stocks and options) has carved out a niche with active traders who want more advanced charting than Robinhood offers, without the complexity of thinkorswim or IBKR Pro. Worth a look if Robinhood feels too basic but Schwab feels like too much.

Account Types: Make Sure Yours Is Supported

Before choosing based on trading tools alone, confirm the broker supports the specific account type you need. All five brokers above support standard taxable brokerage accounts and Traditional/Roth IRAs, but coverage gets thinner for more specialized accounts: custodial accounts (UTMA/UGMA) for minors, SEP-IRAs and Solo 401(k)s for self-employed investors, and 529 college savings plans aren't uniformly available everywhere. Fidelity and Schwab both have particularly strong custodial and small-business retirement account support, which is part of why they're recommended so often as the default choice.

What Happens to Uninvested Cash

This is a detail that's easy to overlook but can matter more than the headline commission structure, especially if you routinely hold cash balances. When you deposit money or sell a position, that cash needs to sit somewhere until you reinvest it — and the "sweep" destination for that cash varies by broker. Fidelity's default core position for many account types is a money market fund paying a yield close to prevailing short-term rates. Some other brokers' default sweep accounts pay meaningfully less unless you manually opt into a higher-yielding option. On a $20,000 uninvested cash balance, the difference between a near-zero sweep rate and a competitive money market yield can be several hundred dollars a year — money you're leaving on the table simply by not checking your account's default settings.

Transferring an Existing Account

If you already have a brokerage account elsewhere and want to switch, an ACATS transfer (Automated Customer Account Transfer Service) moves your existing holdings — stocks, ETFs, mutual funds — directly to the new broker without selling anything, which avoids triggering capital gains taxes on gains you haven't actually locked in. Most of the brokers above will also reimburse transfer-out fees charged by your old broker (often up to a few hundred dollars) as an incentive to switch, so it's worth asking directly before initiating a transfer.

Fractional Shares: A Feature Worth Checking

If you're investing smaller amounts regularly, confirm the broker supports fractional shares — the ability to buy a partial share of an expensive stock or ETF (for example, $50 worth of a $500 share price stock). Fidelity, Schwab, and Robinhood all support fractional share investing on most listed securities, which makes it easier to stay fully invested with a fixed dollar amount each pay period rather than waiting to accumulate enough for a whole share.

Bottom Line

For most people, this isn't really a high-stakes decision — Fidelity and Schwab are both excellent, full-featured choices that will serve you well for decades, and you can move your account later if your needs change. Pick one of those two if you're not sure, pick Robinhood if simplicity is your top priority, and only look at Interactive Brokers if you have a specific reason to need it.

Compare brokerage accounts side by side →, and use our investment return calculator to see how different contribution amounts add up over time. If you're deciding between building your own portfolio and paying for a managed one, see our robo-advisors vs. DIY investing breakdown.