Shenzhen Stock Exchange Revises ChiNext Index Methodology: Single Constituent Weight Cap to Be Gradually Raised to 15%

Deep News11-06

The Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. have decided to revise the methodology for the ChiNext Index, gradually adjusting the weight cap for any single constituent stock to 15%.

The adjustment approach is as follows: during each periodic review, if the actual weight of the largest constituent stock approaches the periodic review and exceeds 14.5%, then 0.5% is added to its actual weight and the result is rounded up, serving as the adjusted weight cap for a single constituent stock.

During the adjustment period, the weight cap and the weight adjustment factor can only be lowered, not raised, until the actual weight of the largest constituent stock does not exceed 14.5%, thereby achieving the 15% weight cap target.

This revision takes effect at the periodic review on December 14, 2026.

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