VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
OpenCorporates vs QuantRocket
OpenCorporates vs QuantRocket: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
OpenCorporates
opencorporates.com
Best for regulatory filings monitoring, and other
- Pricing
- Free
- Platforms
- Web, API
QuantRocket
quantrocket.com
Best for screeners, and quant
- Pricing
- Free
- Platforms
- Web, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
OpenCorporates if…
- You need public api portal advertises 200m+ company records, aggregated from official registries with provenance and source links.
- You need versioned rest api with json (default) or xml output; api keys required. free tier provides up to 200 requests per month (50 per day).
- You need openrefine reconciliation api allows entity-matching from company names to legal identifiers.
- You need enterprise bulk access via sftp, with six structured csv datasets (companies, officers, non-registered addresses, alternative names, additional identifiers, and relationships).
Choose
QuantRocket if…
- You need real-time data, not delayed quotes
- You need free tier includes a survivorship-bias-free u.s. daily stock learning bundle for 2007-2011 and unrestricted data for sample stocks, futures, and currencies; paid licenses include complete, up-to-date datasets such as u.s. stock/etf eod and 1-minute intraday data.
- You need supports point-in-time screening and ranking pipelines, and integrates with alphalens and pyfolio for in-notebook analysis inside jupyter.
- You need global coverage through interactive brokers’ historical and real-time data across 60+ exchanges, plus optional feeds like edi global eod, sharadar fundamentals, and brain sentiment datasets.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | OpenCorporates | QuantRocket |
|---|---|---|
Asset types | Other | StocksETFsFuturesCurrenciesOptions |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | End of Day | StreamingReal-timeEnd of Day |
API access | REST | RESTWebSocket |
Export formats | CSVJSON | CSVJSON |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
OpenCorporates
—
Starting price
Plans & pricing
Tool
QuantRocket
—
Starting price
Plans & pricing
Coverage overlap
Categories covered by OpenCorporates only.
Categories covered by QuantRocket only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between OpenCorporates and QuantRocket?
OpenCorporates focuses on Data APIs, Regulatory Filings Monitoring, and Other while QuantRocket specializes in Screeners, Quant, and Backtesting. They overlap in 1 categories, so choose based on your preferred workflow and pricing.
How much do OpenCorporates and QuantRocket cost?
Good news—both OpenCorporates and QuantRocket offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do OpenCorporates and QuantRocket have APIs?
Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.
Should I choose OpenCorporates or QuantRocket?
Choose OpenCorporates if you need Public API portal advertises 200M+ company records, aggregated from official registries with provenance and source links., and Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).. Go with QuantRocket if Free tier includes a survivorship-bias-free U.S. daily stock learning bundle for 2007-2011 and unrestricted data for sample stocks, futures, and currencies; paid licenses include complete, up-to-date datasets such as U.S. stock/ETF EOD and 1-minute intraday data., and Supports point-in-time screening and ranking pipelines, and integrates with Alphalens and Pyfolio for in-notebook analysis inside Jupyter. better fits how you invest.
What asset classes do OpenCorporates and QuantRocket cover?
Both cover common asset types. OpenCorporates also includes Other. QuantRocket adds coverage for Stocks, ETFs, Futures, Currencies, and Options.
Does OpenCorporates or QuantRocket have real-time data?
QuantRocket offers real-time data feeds, which is essential for active traders. OpenCorporates uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Can I export data from OpenCorporates and QuantRocket?
Both platforms let you export data to spreadsheets (CSV, and JSON). This is useful for custom analysis or record-keeping.
Can OpenCorporates or QuantRocket connect to my broker?
QuantRocket connects with brokers for portfolio syncing. OpenCorporates requires manual portfolio entry or data import.
Which has a better stock screener—OpenCorporates or QuantRocket?
QuantRocket includes a stock screener for finding investment ideas. OpenCorporates focuses on other analytical tools.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.