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指数交易策略


当您进行指数交易时,请牢记,尽管您交易的是一个单一的实体(指数本身),但这个实体是由多个个股构成的。下面是几个应当注意的地方:

  • 01

    Monitoring Index Sectors

    There is no specific size for an Index; examples range from Germany’s DAX 30 all the way up to the Wilshire 5000 index. However, one of the first things to consider when trading an index in its entirety is – what are its component parts? Does it have a large number of stocks which are focused on a specific sector of the market?


    For example, more than 10% of the UK FTSE100 is made up of mining and energy stocks, meaning that a shift in commodity prices and the subsequent rise or fall of commodity-related stocks has the potential to affect the FTSE as a whole.

  • 02

    Study the Relationship Between Currencies and Indices

    It is important to have an understanding of an index’s sensitivity to currency rates, as there is typically a correlation between the relative strength of a country’s currency and the value of its domestic indices.

    For example, the value of American indices generally increases with the demand for US Dollars. This may be partly due to foreign investment – as a growing number of traders invest in US stocks, they must first purchase USDs to buy American stocks, in turn causing US indices to increase in value.

     

  • 03

    Changes to Indices

    Not so much a strategy as much as something to be aware of; the constituent stocks of an index can change over time. Companies can merge, meaning that two stocks converge into one; for example, in 2014 the UK firms Dixons and Carphone Warehouse merged and their previously separate stocks became one tradable entity, Dixons Carphone. Other companies may go bankrupt, leading to their stock no longer being tradable. A third option is that the company’s market cap shrinks to such a level that it is too small to remain on a specific Index (the FTSE 100, for example, tracks the UK’s 100 largest publicly traded companies). In such a case, it would be demoted in due course, whilst a company from a secondary index with a higher net worth would take its place.

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