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: 上海证券交易所综合股价指; abbreviated 上证综指) is a stock market index of all stocks (A shares and B shares) that are traded at the Shanghai Stock Exchange.

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

Weighting and calculation

SSE Composite Index 1990–2012

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)

See also

References

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