【中文版】

股票恒指是什么？

股票恒指是由香港恒生银行全资附属机构恒指服务有限公司编制的一种股票指数，综合反映香港股票市场中最活跃的上市股票的价格波动情况。该指数由香港和深圳的33家蓝筹股公司组成，具有广泛的市场代表性，是亚洲乃至全球最具影响力的股票指数之一。

恒指服务有限公司以简单易懂的加权平均法计算股票指数，将所有样本股票按照流通市值加权平均，并按照换手率调整权重，以保证指数的连续性和可比性。此外，恒指还设置了500点的警戒值，当指数波动超过这个警戒值时，恒指服务有限公司会适时采取措施以保证指数的稳定性和可持续性。

股票恒指的发布机构为恒指服务有限公司，发布时间为每个交易日的上午11点30分左右，发布媒体为香港经济日报、星岛日报、大公报等。投资者可以通过相关网站或手机APP查看恒指实时行情，以便做出投资决策。

总之，股票恒指是一种反映香港股票市场价格波动情况的指数，具有广泛的市场代表性，是投资者进行投资决策的重要参考指标之一。

【英文版】

What is the Stock Hang Seng Index?

The Stock Hang Seng Index is a stock index compiled by Hang Seng Indexes Services Limited, a wholly-owned subsidiary of Hong Kong Hang Seng Bank, which comprehensively reflects the price fluctuation situation of the most actively traded listed stocks in the Hong Kong stock market. The index is composed of 33 blue chips in Hong Kong and Shenzhen, and is widely representative of the market. It is one of the most influential stock indexes in Asia and even the world.

Hang Seng Index Services Limited calculates the stock index using a weighted average method that is simple and easy to understand. It weights all sample stocks using market capitalization and adjusts the weight according to trading turnover to ensure the continuity and comparability of the index. In addition, a warning value of 500 points is set for the Hang Seng Index. When the index fluctuations exceed this warning value, Hang Seng Index Services Limited will take timely measures to ensure the stability and sustainability of the index.

The publisher of the Stock Hang Seng Index is Hang Seng Index Services Limited, and the release time is around 11:30 am every trading day. The index is released through media such as Hong Kong Economic Journal, Sing Tao Daily News, and Ta Kung Pao. Investors can view real-time market quotes of the Hang Seng Index through relevant websites or mobile apps to help make investment decisions.

In summary, the Stock Hang Seng Index is an index that reflects the price fluctuation situation of the Hong Kong stock market, with wide market representation. It is an important reference indicator for investors to make investment decisions.