StockRay uses public APIs from the following data providers.
Global financial statements, real-time quotes, technical indicators
Korean listed companies quarterly financials (FSS electronic disclosure)
Korean stock market data, index information
Korean stock real-time quotes, daily prices
US macroeconomic indicators — interest rates, spreads, VIX, dollar index
All data is collected through each provider's public API. Real-time quotes may be delayed 15–20 minutes from the exchange. Financial statements are based on quarterly filings.