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Last reviewed May 13, 2026Data may be outdated — verify rates before acting
Firstrade
4.0 / 5
Best for OTC and penny-stock buyers who want $0 commissions, plus mainstream mutual-fund and 24/5 access. Smaller platform and research footprint than the big four, but the price floor is uncontested.
Last reviewed May 13, 2026Data may be outdated — verify rates before acting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
Firstrade
Winner
OverallEditorial score
4.00 / 5
4.00 / 5
Tie
Sub-ratingsCommissions & fees
4.50
5.00
Firstrade
Sub-ratingsPlatforms & tools
4.50
3.50
Cobra
Sub-ratingsMobile app
2.00
4.00
Firstrade
Sub-ratingsResearch
2.50
3.50
Firstrade
Sub-ratingsEducation
2.00
3.50
Firstrade
Sub-ratingsCustomer service
4.50
3.60
Cobra
Sub-ratingsRange of investments
3.00
3.80
Firstrade
Sub-ratingsActive trading
5.00
3.60
Cobra
PricingLowest margin rate
5.25%
10.75%
Cobra
PricingDefault cash sweep yield
—
3.50%
Firstrade
PricingPFOF on equities
Does not accept
Accepts
Cobra
Where they differ on asset coverage
Asset class
Cobra
Firstrade
US stocks (NYSE/Nasdaq/AMEX)
Yes
OTC / Pink Sheets / OTCBB
Yes
Fractional shares
No
Yes
Options (multi-leg + spreads)
Yes
Mutual funds
No
Yes
US Treasuries / bonds
No
Crypto (direct)
No
Yes
International stocks / ADRs
No
24-hour overnight equity trading
No
Yes
Hard-to-borrow short locates
Yes
US stocks
Yes
OTC / Pink Sheets / OTCQX / OTCQB
Yes
Options
Yes
US Treasuries
Yes
Corporate / muni bonds
Yes
International stocks (US app)
No
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
Firstrade strengths
$0 commissions on stocks, ETFs, options — including OTC and penny stocks
Full OTC tier access: OTCQX, OTCQB, Pink Current, Pink Limited
1,200+ stocks and ETFs eligible for 24-hour trading (launched April 2025)