OpenCorporates vs QuantRocket comparison

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.

Good news—both OpenCorporates and QuantRocket offer free plans. You can try each platform without commitment and only pay when you need premium features.

Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.

Choose OpenCorporates if you need 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full 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 Includes survivorship-bias-free US minute-bar data (from 2007 onward) for Zipline backtests and live trading, with optional real-time feeds from brokers like IBKR and Alpaca., 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.

Both cover common asset types. OpenCorporates also includes Other. QuantRocket adds coverage for Stocks, ETFs, Futures, Currencies, and Options.

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.

Both platforms let you export data to spreadsheets (CSV, and JSON). This is useful for custom analysis or record-keeping.

QuantRocket connects with brokers for portfolio syncing. OpenCorporates requires manual portfolio entry or data import.

QuantRocket includes a stock screener for finding investment ideas. OpenCorporates focuses on other analytical tools.