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Fidelityvs.Interactive Brokers

Head-to-head comparison across ratings, fees, asset coverage, and platform breadth.

Fidelity logo

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Last reviewed May 13, 2026Data may be outdated — verify rates before acting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 logo

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Last reviewed May 13, 2026Data may be outdated — verify rates before acting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.

MetricFidelityInteractiveWinner
OverallEditorial score4.70 / 54.60 / 5Fidelity
Sub-ratingsCommissions & fees4.604.80Interactive
Sub-ratingsPlatforms & tools4.405.00Interactive
Sub-ratingsMobile app5.004.00Fidelity
Sub-ratingsResearch5.004.20Fidelity
Sub-ratingsEducation5.004.00Fidelity
Sub-ratingsCustomer service4.903.80Fidelity
Sub-ratingsRange of investments4.205.00Interactive
Sub-ratingsActive trading4.305.00Interactive
PricingLowest margin rate7.50%5.83%Interactive
PricingDefault cash sweep yield3.26%4.33%Interactive
PricingPFOF on equitiesDoes not acceptDoes not acceptTie

Where they differ on asset coverage

Asset classFidelityInteractive
OTC / penny stocksLimitedYes
Options (up to Level 4)Yes
IPOsLimitedYes
International directYes
ForexNoYes
Futures / futures optionsNoYes
Crypto (direct)LimitedYes
Spot crypto ETPsYes
24-hour overnight equity tradingNoYes
Precious metals (physical)Yes
Options (US + global)Yes
International stocksYes
Prediction marketsYes

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