The Hang Seng Index is a free-float capitalization-weighted index of a selection of companies from the Stock Exchange of Hong Kong. The components of the index are divided into four subindices: Commerce and Industry, Finance, Utilities, and Properties. The index was developed with a base level of 100 as of July 31, 1964.
​Stocks surged as market sentiment reversed, with lower single stock option volumes compared to previous weeks. Unusual moves in price, volume, and...
​Positive sentiment and a rally in Alibaba drive HSI to new highs, with implied volatility high but supported by historic vol levels. Notable large...