Head-to-head comparison across ratings, fees, asset coverage, and platform breadth.
Cobra Trading
4.0 / 5
For active day traders and short sellers with $27K+ in capital who need multi-source HTB locates, true DMA without PFOF, and a human picking up the phone. Not a fit for buy-and-hold, beginners, or anyone who wants a polished mobile app.
Last reviewed May 13, 2026Data may be outdated — verify rates before acting
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Last reviewed May 13, 2026Data may be outdated — verify rates before acting
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
Cobra
Fidelity
Winner
OverallEditorial score
4.00 / 5
4.70 / 5
Fidelity
Sub-ratingsCommissions & fees
4.50
4.60
Fidelity
Sub-ratingsPlatforms & tools
4.50
4.40
Cobra
Sub-ratingsMobile app
2.00
5.00
Fidelity
Sub-ratingsResearch
2.50
5.00
Fidelity
Sub-ratingsEducation
2.00
5.00
Fidelity
Sub-ratingsCustomer service
4.50
4.90
Fidelity
Sub-ratingsRange of investments
3.00
4.20
Fidelity
Sub-ratingsActive trading
5.00
4.30
Cobra
PricingLowest margin rate
5.25%
7.50%
Cobra
PricingDefault cash sweep yield
—
3.26%
Fidelity
PricingPFOF on equities
Does not accept
Does not accept
Tie
Where they differ on asset coverage
Asset class
Cobra
Fidelity
OTC / Pink Sheets / OTCBB
Yes
Fractional shares
No
Yes
Options (multi-leg + spreads)
Yes
Mutual funds
No
Yes
US Treasuries / bonds
No
Futures
No
Crypto (direct)
No
Limited
International stocks / ADRs
No
Hard-to-borrow short locates
Yes
OTC / penny stocks
Limited
Options (up to Level 4)
Yes
US Treasuries
Yes
Corporate / muni bonds, CDs
Yes
IPOs
Limited
International direct
Yes
Futures / futures options
No
Spot crypto ETPs
Yes
Precious metals (physical)
Yes
Cobra strengths
Best-in-class HTB locates: 4 in-platform sources (Locate, Locate1, Locate2, Locate3) plus live-chat desk that frequently gives away free HTB shares in the morning
No overnight locate multiplier — unusual differentiator; most brokers charge 1×–4× to hold HTB overnight
Does not accept PFOF; ECN rebates and charges passed through transparently
True direct market access to ARCA, NSDQ, EDGX, BATS, IEX, CHX, dark pools, and 100+ venues via DAS
Flat 5.25% margin to $1M; negotiable above $1M
Pro-grade platform stable: DAS Trader Pro, Sterling Trader Pro, Cobra TraderPro, RealTick EMS — sub-millisecond execution from NY/NJ colo
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)