Learn about Stratify's market data sources, coverage, refresh rates, and data quality standards.
Professional-grade market data via Massive.com subscription.
Free tier for basic data when Polygon quota exceeded.
Standard bar data. Available in multiple timeframes: 1m, 5m, 15m, 1h, 4h, 1d, 1w, 1M
Current bid/ask prices, spread, last trade. Updates every 1-5 seconds with API key.
Market cap, P/E ratio, earnings dates, dividends, sector/industry info.
Company news, earnings reports, SEC filings, economic calendar events.
Automatically identifies missing data points and alerts for manual review or backfill.
Flags unusual values (impossible prices, zero volume days, data spikes) for verification.
Historical prices automatically adjusted for stock splits and dividends for accurate backtesting.
