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Cobra Tradingvs.Interactive Brokers

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

Cobra Trading logo

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Last reviewed May 13, 2026Data may be outdated — verify rates before acting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Last reviewed May 13, 2026Data may be outdated — verify rates before acting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

MetricCobraInteractiveWinner
OverallEditorial score4.00 / 54.60 / 5Interactive
Sub-ratingsCommissions & fees4.504.80Interactive
Sub-ratingsPlatforms & tools4.505.00Interactive
Sub-ratingsMobile app2.004.00Interactive
Sub-ratingsResearch2.504.20Interactive
Sub-ratingsEducation2.004.00Interactive
Sub-ratingsCustomer service4.503.80Cobra
Sub-ratingsRange of investments3.005.00Interactive
Sub-ratingsActive trading5.005.00Tie
PricingLowest margin rate5.25%5.83%Cobra
PricingDefault cash sweep yield—4.33%Interactive
PricingPFOF on equitiesDoes not acceptDoes not acceptTie

Where they differ on asset coverage

Asset classCobraInteractive
OTC / Pink Sheets / OTCBBYes
Fractional sharesNoYes
Options (multi-leg + spreads)Yes
Mutual fundsNoYes
US Treasuries / bondsNo
ForexNoYes
FuturesNo
Crypto (direct)NoYes
International stocks / ADRsNo
24-hour overnight equity tradingNoYes
Hard-to-borrow short locatesYes
OTC / penny stocksYes
Options (US + global)Yes
US TreasuriesYes
Corporate / muni bonds, CDsYes
Futures / futures optionsYes
International stocksYes
IPOsYes
Prediction marketsYes

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

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