CHINA: SSE and CSI to Further Improve Index System

Friday June 6 2025

On 30^th May 2025, the Shanghai Stock Exchange (SSE) and China Securities Index Company (CSI) announced upgraded methodology for SSE 380 Index, and the launch of the new SSE 580 Index, to further enhance SSE index system and provide a more comprehensive view of the overall performance of small and mid-cap listed companies in the market.

The revised SSE 380 Index will officially take effect on 16^th June 2025, with real-time data for SSE 580 Index available on the same day. The SSE 380 and SSE 580 are positioned as “mid-cap” and “small-cap” indices for the SSE. They adopt a mainstream broad-based index framework that incorporates liquidity screening and total market capitalization selection.

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