Interactive Brokers VS Marketstack
Cross-category comparison: each provider serves a different trader workflow.
UPDATED 2026-05-24 · 3 axes scored
WINNER · INTERACTIVE BROKERS · 1/3 AXES
Quick Decision
▶ PICK INTERACTIVE BROKERS IF BROKER
- Active multi-asset traders
- Algo developers
- International traders
- Margin/futures traders
▶ PICK MARKETSTACK IF DATA-API
- Web app developers
- Simple stock charts
- Basic portfolio apps
- Budget-conscious indie devs
Side-by-Side Matrix
| METRIC | INTERACTIVE BROKERS | MARKETSTACK |
|---|---|---|
| Free Tier | Yes | Yes |
| Affiliate Program | Yes | Yes |
| Asset Coverage Breadth | 9 classes | 6 classes |
| Asset Coverage | US Equities · Global Equities · Options · Futures · Forex · Bonds · Mutual Funds · ETFs · Cryptocurrencies | US Equities · Global Equities · ETFs · Global Indices · Bonds · Commodities |
| Category | broker | data api |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | INTERACTIVE BROKERS | MARKETSTACK |
|---|---|---|
| Bonds | ✓ Covered | ✓ Covered |
| Commodities | — | ✓ Covered |
| Cryptocurrencies | ✓ Covered | — |
| ETFs | ✓ Covered | ✓ Covered |
| Forex | ✓ Covered | — |
| Futures | ✓ Covered | — |
| Global Equities | ✓ Covered | ✓ Covered |
| Global Indices | — | ✓ Covered |
| Mutual Funds | ✓ Covered | — |
| Options | ✓ Covered | — |
| US Equities | ✓ Covered | ✓ Covered |
| TOTAL CLASSES | 9 | 6 |
Only Interactive Brokers
Options · Futures · Forex · Mutual Funds · Cryptocurrencies
Only Marketstack
Global Indices · Commodities
Shared · 4
US Equities · Global Equities · Bonds · ETFs
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 3 vs 5 tiers.
INTERACTIVE BROKERS · 3 TIERS FREE TIER
01
IBKR Tiered $0.0035/share
Min $0.35/order; volume-tiered down to $0.0005/share; exchange fees passed through
02
IBKR Fixed $0.005/share
Min $1.00/order; flat per-share commission, all exchange fees included
03
IBKR Lite $0/trade
Commission-free US stocks/ETFs (PFOF-routed)
▲ Free Tier · Live data subscriptions sold separately; demo (paper) account is free
MARKETSTACK · 5 TIERS FREE TIER
01
Free $0/mo
100 req/mo, EOD only, 1-year history
02
Basic $9.99/mo
10,000 req/mo, intraday access, all asset types
03
Professional $49.99/mo
100,000 req/mo, real-time updates (sub-15min), commodities
04
Business $149.99/mo
500,000 req/mo, priority support
05
Enterprise Custom
Higher limits + SLA
▲ Free Tier · 100 requests/mo, EOD only, 1-year history
Fit Profile
INTERACTIVE BROKERS · PROFILE BROKER
Best For
- Active multi-asset traders
- Algo developers
- International traders
- Margin/futures traders
Not Ideal For
- Casual investors (TWS learning curve)
- Pure US-stock-only retail (cheaper niche brokers exist)
Full Interactive Brokers Review
MARKETSTACK · PROFILE DATA-API
Best For
- Web app developers
- Simple stock charts
- Basic portfolio apps
- Budget-conscious indie devs
Not Ideal For
- Real-time HFT
- Tick-level analysis
- Options/futures traders
- Native SDK lovers
Full Marketstack Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
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