Polygon.io (now Massive) VS tastytrade
Cross-category comparison: each provider serves a different trader workflow.
UPDATED 2026-05-27 · 3 axes scored
WINNER · TASTYTRADE · 1/3 AXES
Quick Decision
▶ PICK POLYGON.IO (NOW MASSIVE) IF DATA-API
- Algo traders
- Fintech app developers
- Options traders
- Crypto quants
▶ PICK TASTYTRADE IF BROKER
- Options traders (capped commissions)
- Active futures/micros traders
- Retail traders wanting low-cost crypto access
- Self-directed investors with no margin needs
Side-by-Side Matrix
| METRIC | POLYGON.IO (NOW MASSIVE) | TASTYTRADE |
|---|---|---|
| Free Tier | Yes | Yes |
| Affiliate Program | No | Yes |
| Asset Coverage Breadth | 5 classes | 7 classes |
| Asset Coverage | US Equities · US Options · Forex · Crypto · Global Indices | US Equities · ETFs · Options on Stocks · Options on Futures · Futures · Micro Futures · Cryptocurrencies |
| Category | data api | broker |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | POLYGON.IO (NOW MASSIVE) | TASTYTRADE |
|---|---|---|
| Crypto | ✓ Covered | — |
| Cryptocurrencies | — | ✓ Covered |
| ETFs | — | ✓ Covered |
| Forex | ✓ Covered | — |
| Futures | — | ✓ Covered |
| Global Indices | ✓ Covered | — |
| Micro Futures | — | ✓ Covered |
| Options on Futures | — | ✓ Covered |
| Options on Stocks | — | ✓ Covered |
| US Equities | ✓ Covered | ✓ Covered |
| US Options | ✓ Covered | — |
| TOTAL CLASSES | 5 | 7 |
Only Polygon.io (now Massive)
US Options · Forex · Crypto · Global Indices
Only tastytrade
ETFs · Options on Stocks · Options on Futures · Futures · Micro Futures · Cryptocurrencies
Shared · 1
US Equities
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 4 vs 4 tiers.
POLYGON.IO (NOW MASSIVE) · 4 TIERS FREE TIER
01
Stocks Basic $0/mo
EOD data, 5 calls/min
02
Stocks Starter $29/mo
15-min delayed data
03
Stocks Developer $79/mo
15-min delayed data, unlimited calls
04
Stocks Advanced $199/mo
Real-time data, WebSocket, full history
▲ Free Tier · Free tier (Stocks Basic): 5 API calls/min, EOD data only, no real-time
TASTYTRADE · 4 TIERS FREE TIER
01
Stocks & ETFs $0/trade
Commission-free both directions
02
Equity Options $1/contract open
$0 to close; $10 per-leg cap
03
Futures $1.25/contract
$1.25 options on futures, $1.00 standard futures, $0.75 micros — each way
04
Crypto $0 commission
50-75bps markup/markdown applied at execution
▲ Free Tier · $0 stock/ETF commissions; paper trading via tastytrade platform
Fit Profile
POLYGON.IO (NOW MASSIVE) · PROFILE DATA-API
Best For
- Algo traders
- Fintech app developers
- Options traders
- Crypto quants
Not Ideal For
- Tick-level HFT (DBZ format not available)
- Institutional order book depth
Full Polygon.io (now Massive) Review
TASTYTRADE · PROFILE BROKER
Best For
- Options traders (capped commissions)
- Active futures/micros traders
- Retail traders wanting low-cost crypto access
- Self-directed investors with no margin needs
Not Ideal For
- International (US-only accounts)
- Bond/fixed-income traders
- Long-term buy-and-hold investors
Full tastytrade Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
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