股票价格属于市场公开信息.指数公司对基于公开价格信息开发的指数产品拥有知识产权.其出售.转让和基于该指数的衍生品开发通常是自由的.无需再经原始价格交易所许可.尽管现实中不同国家和地区对此有着不同的法律理解与解释.但将市场竞争引入指数及其衍生品领域——允许其他交易场所开发基于相同指数的衍生品或许是大势所趋.指数公司.交易所和投资者都会从竞争 Stock prices are publicly available information on the market. Index companies have intellectual property rights to index products developed based on open price information and their sale, transfer and derivatives development based on the index are usually free and are not subject to the exchange of the original price. Different countries and regions have different legal understandings and interpretations of this, but introducing market competition into the index and derivatives areas - allowing other trading venues to develop derivatives based on the same index may be the dominant trend. Index companies. Exchanges and investments. People will compete