ETF DATA API

China ETF Data API

Query ETF price performance, NAV changes, fund size, tracking relationships and portfolio holdings for quantitative research, portfolio analysis and AI workflows.

Create a free API key View ETF endpoints

PRICE

Prices & adjustments

Daily prices, volume and adjustment factors for returns and historical backtests.

NAV

NAV & premium

Unit, accumulated and adjusted NAV for price-to-NAV analysis.

SCALE

Shares & fund size

Shares outstanding, fund size and NAV per unit for flow and scale tracking.

PORTFOLIO

Indices & holdings

Tracking indices and portfolio securities for product exposure analysis.

PYTHON SDK

Query from your research code

Use consistent ETF symbols and date parameters to retrieve a DataFrame, or query from an agent workflow through the QuantSonar MCP server.

import quantsonar as qs

qs.set_token("qs_your_key")
df = qs.etf_daily(
    symbol="510300.SH",
    start_date="20260101"
)

AVAILABLE DATA

ETF data services

FREEETF reference data/v1/etf/basicFREEETF daily OHLC bars/v1/etf/dailyFREEETF adjustment factors/v1/etf/adj-factorPROETF net asset values/v1/etf/navPROETF portfolio holdings/v1/etf/portfolioPROETF shares outstanding & fund size/v1/etf/share-sizePROETF tracking-index reference data/v1/etf/tracking-indices

START WITH FREE

Query core ETF data for free

Create an API key to query ETF reference data, daily prices, and adjustment factors. Compare expanded access on the pricing page.

Create a free API key