Fidelity vs. Schwab vs. Vanguard for Newcomers: Eligibility, Cash & Fractional Shares (2026)

Imagine two people who want to invest their first $200 in the United States. One has an F-1 student visa. The other has a green card. They see the same three names—Fidelity, Charles Schwab and Vanguard—but they may not see the same account-opening options.

That is why the usual “which brokerage is best?” comparison misses the decision that matters first: can the firm serve your actual situation, what happens to cash you do not invest immediately, and what changes if you later leave the U.S.?

Research checked: October 16, 2026. Based on publicly available documentation from the three providers and FDIC. We did not create accounts, run live applications, receive private eligibility determinations or test trade execution. Rates and availability change; recheck the linked provider pages before acting.

1. Who can actually open an account?

Where you live, your citizenship or permanent-resident status, and your tax documentation are separate questions. An SSN, ITIN, visa or U.S. address by itself does not guarantee acceptance. The table below describes what the published material establishes—not a promised approval.

Why this matters: Vanguard’s standard opening checklist contains an explicit citizen/green-card requirement. By contrast, Fidelity’s foreign-residence policy explicitly addresses prospective customers living outside the U.S., while Schwab International asks customers to select their actual country of residence. These statements answer different questions and should not be blended into a single “visa-friendly” ranking.

Example A: an F-1 student with a U.S. residential address

The student has valid immigration status and may also have an SSN from authorized work. Neither fact makes every domestic brokerage automatically available. The practical next step is to ask Fidelity and Schwab which account type and documents are supported for this specific applicant. Under Vanguard’s published standard retail checklist, the student should not assume eligibility without citizenship or permanent residency. This is an illustrative scenario, not an actual applicant result.

Example B: a new U.S. permanent resident

The investor generally satisfies Vanguard’s published citizenship/permanent-resident criterion if the other requirements are also met. For this person, cash sweep rules, minimum investment sizes and service charges may become more decisive. Even here, a brokerage makes its own final account-opening decision.

2. Compare how uninvested cash works—not a stale headline yield

Cash may sit in your brokerage account between deposits and purchases. Your experience depends on where the broker puts that balance by default, whether earning a money-market yield requires a manual trade, and when cash is available for settlement.

Primary references: Fidelity core-position FAQ; Schwab cash choices and current posted rates; Vanguard settlement fund documentation.

Original calculation: how much can cash drag matter?

Rather than present a September yield as if it were still today’s return, use a controlled comparison. Suppose one cash arrangement earns a hypothetical constant 3.50% annualized rate and another earns 0.25%. These are illustrative assumptions—not current quotes for any of the three firms, investment recommendations or promises. Ignoring compounding, taxes, fund fees and rate changes, the estimated dollar gap is:

Formula: cash balance × assumed annualized rate × days ÷ 365. This assumes a constant balance and simple accrual. Real fund distributions and bank interest credits can differ. The useful insight is operational: if you leave $10,000 waiting for six months, how the brokerage handles cash can matter even when the stock-trading commission is $0.

3. Fractional shares: the $1 headline hides a coverage difference

We checked Fidelity’s dollar-based trading page, Schwab’s broadened fractional-shares program and Vanguard’s brokerage product information. Schwab’s current published service has expanded beyond older descriptions limited to S&P 500 “Stock Slices.” Older reviews that ignore that change can steer readers incorrectly.

4. Hidden cost checklist: $0 commission is only one line

All three firms advertise $0 online commissions for many U.S. stock and ETF transactions, but account, transfer, special-product and investment-level costs depend on the service. For example, Vanguard’s current published fee schedule says it may assess a $25 annual account service fee, generally avoidable for eligible accounts by choosing electronic document delivery, and includes possible account closure/transfer fees. Do not apply a brokerage-wide fee to every account without checking the exemptions.

Source: Vanguard Brokerage Services fee schedule (effective July 10, 2026). Check the relevant Fidelity brokerage terms and Schwab brokerage terms for your account type before transferring assets.

5. Planning to leave the U.S.? Ask the question before funding

This is a crucial difference for internationally mobile readers. Fidelity says it does not open new accounts for customers already resident abroad. Existing customers who move abroad may face limits on further purchases, deposits, mutual funds and managed services. Depending on the destination country, an account may become effectively sell-only. It is unsafe to tell readers that moving overseas will leave their investing experience unchanged.

Schwab offers an international route in eligible jurisdictions, but a country selector and compliance review determine whether the route is available. Vanguard’s standard U.S. application directs people outside the country to international resources. Neither an old U.S. mailing address nor a brokerage app login should substitute for disclosing your actual current residence.

One question to send the brokerage

Keep the broker’s dated response for your records. The published rules cannot conclusively answer every combination of residence, citizenship, immigration status, regulatory restrictions and asset type.

6. A practical decision worksheet (five minutes)

Before choosing a broker, write down these six answers. They form a much more useful comparison than a generic ranking:

1. Actual country of residence: where you genuinely live now, not a forwarding address.
2. Immigration/citizenship documentation: U.S. citizen, permanent resident or temporary visa category (if applicable).
3. Tax ID and account type: SSN/ITIN or alternative documentation, and taxable brokerage versus IRA.
4. Expected idle-cash balance: typically $0–$500, $500–$5,000, or more than $5,000?
5. Investment method: one broad ETF, individual stocks, recurring fractional orders, or money-market cash?
6. Potential future country: if you move, which securities and account services will remain available?

Interpretation: A temporary visa holder with unclear eligibility should call the firms before comparing yields. A permanent resident holding a large cash balance should examine the core or settlement fund first. A U.S. citizen already living outside the U.S. should not apply through a domestic route without checking international restrictions. None of these examples means a brokerage will approve an application automatically.

What we checked—and what we did not

This is a public-document comparison, with independent calculations and a process-focused decision worksheet. We compared documented requirements and operational differences; we did not personally test the sign-up forms, contact support pretending to be applicants, or collect private broker decisions. We intentionally omit a “winner” because eligibility and cross-border restrictions are not universal.

Official primary documents (reviewed October 16, 2026)

• Fidelity — Trading FAQs and core position choices
• Fidelity — Fractional shares, $1 trading and limitations
• Fidelity — Investors residing outside the United States (PDF)
• Schwab — Cash solutions and posted rates
• Schwab — Fractional stock and ETF program
• Schwab International — Country-specific account application
• Vanguard — Who may open a retail account
• Vanguard — Settlement fund options
• Vanguard — Brokerage fees and waiver rules
• FDIC — Deposit insurance and noncovered investment products

Continue with a more specific KoruVest guide

• Robinhood vs. SoFi vs. Webull for F-1 / H-1B visa holders — if you are comparing ITIN/SSN and accepted visa rules.
• Brokerage accounts for non-U.S. residents — if you already live abroad.
• Brokerage accounts for non-U.S. citizens — if you need the account-opening terminology first.