Nasdaq Data Link
Premium financial and alternative datasets for quant research (formerly Quandl)
Quick Facts
| Asset coverage | US Equities, Global Equities, Futures, Forex, Commodities, Alternative Data |
| Historical depth | 50+ years on select datasets; varies widely |
| Data latency | daily |
| API types | REST, SDK |
| SDKs | Python, R, JavaScript, Ruby, Excel |
| Rate limits | Free: 50 calls/day; Premium: higher limits per dataset |
| Data formats | JSON, CSV, Excel |
| Affiliate program | ✗ No |
| Last updated | 2026-05-24 |
Ratings
API quality ★★★☆☆ 3/5
Doc quality ★★★★☆ 4/5
Community large
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
Pricing Plans
$0/mo
Free
Open datasets, limited premium access
Custom
Premium
Institutional datasets, alternative data, bulk downloads
Free tier: Free: select open datasets; core financial data free with registration