etfBasicInfo
Retrieve key ETF data including fund size, expense ratios, and tracking error metrics to analyze investment characteristics.
Instructions
ETF基本信息：获取ETF基金的规模、费率、跟踪误差等基本信息关键数据与解读
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| query | Yes | ETF基金代码或ETF基金名称 |