Question: Latest change in S&P500 in percentage (based on the closing price of current and previous trading day)
Answer (English): Required Content: The latest price change percentage of the Dow Jones Index
Accuracy Requirements: Only rounding errors are allowed
Date: 2025/8/14
Reference data: {"SPX___GI":{"RT_TIME":"162001","RT_PCT_CHG":"0.0032","RT_DATE":"20250813"}}