TRADINGDATACOMPARE
LIVE · 2026-05-27

Alpaca VS Nasdaq Data Link

Head-to-head market data API comparison.
UPDATED 2026-05-27 · 7 axes scored

WINNER · NASDAQ DATA LINK · 2/7 AXES

Quick Decision

▶ PICK ALPACA IF DATA-API
  • Retail algo traders
  • Python quants
  • Paper trading bots
  • US equity automation
▶ PICK NASDAQ DATA LINK IF DATA-API
  • Quant researchers
  • Alternative data buyers
  • Macro/fundamental analysts
  • Academic researchers
▼ Skip both if
  • Deep historical tick data

Side-by-Side Matrix

METRIC ALPACA NASDAQ DATA LINK
API Quality 4/5 3/5
Doc Quality 4/5 4/5
Data Latency second daily
SDK Languages 4 languages 5 languages
Free Tier Yes Yes
Affiliate Program No No
Asset Coverage Breadth 3 classes 6 classes
Asset Coverage
US Equities · US Options · Crypto
US Equities · Global Equities · Futures · Forex · Commodities · Alternative Data
Historical Depth 7+ years (minute bars); limited tick 50+ years on select datasets; varies widely
Starting Price $0/mo $0/mo
Rate Limits Free: 200 req/min; Algo Trader Plus: up to 10,000 req/min Anonymous: 20 calls/10min, 50/day; Free w/ API key: 300/10s, 2,000/10min, 50,000/day; Premium: higher limits per dataset

Asset Class Coverage

Where the two providers overlap and where each has unique coverage.

ASSET CLASS ALPACA NASDAQ DATA LINK
Alternative Data ✓ Covered
Commodities ✓ Covered
Crypto ✓ Covered
Forex ✓ Covered
Futures ✓ Covered
Global Equities ✓ Covered
US Equities ✓ Covered ✓ Covered
US Options ✓ Covered
TOTAL CLASSES 3 6
Only Alpaca
US Options · Crypto
Only Nasdaq Data Link
Global Equities · Futures · Forex · Commodities · Alternative Data
Shared · 1
US Equities

Pricing Tier Map

Full tier ladder side-by-side · names and prices as published by each provider · 2 vs 2 tiers.

ALPACA · 2 TIERS FREE TIER
01
Free $0/mo
Real-time IEX data + paper trading
02
Algo Trader Plus $99/mo
SIP real-time data + unlimited API calls
▲ Free Tier · Free tier: real-time IEX feed, unlimited historical (15-min delay on SIP)
NASDAQ DATA LINK · 2 TIERS FREE TIER
01
Free $0/mo
Open datasets, limited premium access
02
Premium Custom
Institutional datasets, alternative data, bulk downloads
▲ Free Tier · Free: select open datasets; core financial data free with registration

Technical Stack Fit

SDK languages and data formats determine integration cost for your existing codebase.

DIMENSION ALPACA NASDAQ DATA LINK
API Types REST · WebSocket · SDK REST · SDK
SDK Languages Python · JavaScript · Go · C# Python · R · JavaScript · Ruby · Excel
Data Formats JSON JSON · CSV · Excel
Rate Limits Free: 200 req/min; Algo Trader Plus: up to 10,000 req/min Anonymous: 20 calls/10min, 50/day; Free w/ API key: 300/10s, 2,000/10min, 50,000/day; Premium: higher limits per dataset
Latency Class second daily

Fit Profile

ALPACA · PROFILE DATA-API

Best For

  • Retail algo traders
  • Python quants
  • Paper trading bots
  • US equity automation

Not Ideal For

  • International markets
  • Deep historical tick data
  • Options analytics

Full Alpaca Review
NASDAQ DATA LINK · PROFILE DATA-API

Best For

  • Quant researchers
  • Alternative data buyers
  • Macro/fundamental analysts
  • Academic researchers

Not Ideal For

  • Real-time trading systems
  • Tick data / HFT
  • Crypto
  • Intraday strategies

Full Nasdaq Data Link Review

Adjacent Comparisons

Related matchups — same category first, then cross-category for context.

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