noun
stock price index
A financial term referring to an index that tracks the performance of a group of stocks, such as the Nikkei 225 or TOPIX.
日経平均株価は日本の代表的な株式指標です。
The Nikkei Stock Average is a representative Japanese stock price index.
Synonymous; 株価指数 is also commonly used for 'stock price index'.
Compound of 株式 (stock) and 指標 (index).