Head-to-head comparison across ratings, fees, asset coverage, and platform breadth.
Fidelity
4.7 / 5
Best overall broker for long-term investors, retirement, mutual funds, and cash management. Industry-leading sweep yield, zero-expense-ratio funds, and no PFOF on equities.
Last reviewed May 13, 2026Data may be outdated — verify rates before acting
Interactive Brokers
4.6 / 5
Best for active, global, and advanced traders. Lowest margin rates in the industry, broadest international access (160+ exchanges, 36 countries), and the most complete API stack in retail brokerage.
Last reviewed May 13, 2026Data may be outdated — verify rates before acting
Sub-rating overlap
Each broker scored 0–5 across the same 8 dimensions.
Detailed comparison
Green cells mark the winner on each metric. Tie rows are uncoloured.
Metric
Fidelity
Interactive
Winner
OverallEditorial score
4.70 / 5
4.60 / 5
Fidelity
Sub-ratingsCommissions & fees
4.60
4.80
Interactive
Sub-ratingsPlatforms & tools
4.40
5.00
Interactive
Sub-ratingsMobile app
5.00
4.00
Fidelity
Sub-ratingsResearch
5.00
4.20
Fidelity
Sub-ratingsEducation
5.00
4.00
Fidelity
Sub-ratingsCustomer service
4.90
3.80
Fidelity
Sub-ratingsRange of investments
4.20
5.00
Interactive
Sub-ratingsActive trading
4.30
5.00
Interactive
PricingLowest margin rate
7.50%
5.83%
Interactive
PricingDefault cash sweep yield
3.26%
4.33%
Interactive
PricingPFOF on equities
Does not accept
Does not accept
Tie
Where they differ on asset coverage
Asset class
Fidelity
Interactive
OTC / penny stocks
Limited
Yes
Options (up to Level 4)
Yes
IPOs
Limited
Yes
International direct
Yes
Forex
No
Yes
Futures / futures options
No
Yes
Crypto (direct)
Limited
Yes
Spot crypto ETPs
Yes
24-hour overnight equity trading
No
Yes
Precious metals (physical)
Yes
Options (US + global)
Yes
International stocks
Yes
Prediction markets
Yes
Fidelity strengths
Only major broker with zero-expense-ratio index funds (FZROX, FZILX, FNILX, FZIPX)
Best automatic cash sweep — SPAXX 3.26% with no minimum or opt-in
No payment for order flow on equities; $24.50 price improvement per 1,000 shares
~20 third-party research providers — broadest in retail brokerage
24/7 phone, live chat, and 215+ in-person investor centers
NerdWallet Best App for Investing 5 years running (2022–2026)
Interactive strengths
Lowest margin rates in retail brokerage — IBKR Pro USD blended 5.83–6.83%
Broadest international access — 160+ exchanges across 36 countries, 28 currencies
Trader Workstation (TWS) with ~120 order types, algos, Risk Navigator
Deepest short-locate inventory; SYEP shares 50% of borrow fees with clients
Full retail API: TWS, FIX, REST/WebSocket — 7 languages
Futures and futures options on 35+ global exchanges