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SSE Composite Index

SSE Composite Index
Chinese 上海证券交易所综合股价指数

The SSE Composite Index (Chinese: ; abbreviated 上证综指) is a of all stocks (A shares and B shares) that are traded at the .

They are also SSE 380, SSE 180 and SSE 50 Indexes for top 380, 180 and 50 companies respectively.

SSE Indices are all calculated using a Paasche weighted composite price index formula. This means that the index is based on a base period on a specific base day for its calculation. The base day for SSE Composite Index is December 19, 1990, and the base period is the total market capitalization of all stocks of that day. The Base Value is 100. The index was launched on July 15, 1991.

Current index = Current total market cap of constituents × Base Value / Base Period

Total market capitalization = ∑ (price × shares issued)


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