Prices & adjustments
Daily prices, volume and adjustment factors for returns and historical backtests.
NAV & premium
Unit, accumulated and adjusted NAV for price-to-NAV analysis.
Shares & fund size
Shares outstanding, fund size and NAV per unit for flow and scale tracking.
Indices & holdings
Tracking indices and portfolio securities for product exposure analysis.
PYTHON SDK
Move directly into research
Use consistent ETF symbols and date parameters to retrieve a DataFrame, or let an AI query through MCP.
import quantsonar as qs qs.set_token("qs_your_key") df = qs.etf_daily( symbol="510300.SH", start_date="20260101" )
ETF data services
FREEETF reference data
/v1/etf/basicFREEETF daily OHLC bars/v1/etf/dailyFREEETF adjustment factors/v1/etf/adj-factorSTARTERETF net asset values/v1/etf/navPROETF portfolio holdings/v1/etf/portfolioSTARTERETF shares outstanding & fund size/v1/etf/share-sizeSTARTERETF tracking-index reference data/v1/etf/tracking-indices