What Is a market index?

Investors and companies that sell their shares on stock exchanges are constantly following the performance of the financial market. Methods for calculating various indicators may differ, but they still have the same goal — to reduce the indexing indicator to a single standard.

Such techniques are in great demand, and there are more than 20 of them. About 11 are considered common, but less popular ones are sometimes used to assess the market value of a portfolio. Stock Market Indices serve as guides and show the feasibility of investing in assets of a certain company.

Such indicators can also be regarded as benchmarks that are used to determine deviations. It’s worth considering using stocks and share ISAs when trying to assess the feasibility of an individual savings account as a first investment step.

Market index methodologies

To calculate a market index, indicators reflecting capitalisation and the price of assets are taken into account. To determine the current parameters, you can use tricky mathematical formulas developed for that purpose.

A weighted average means that a specified indicator or index is the statistical average of all price changes averaged by market capitalisation. Since there are many methods for calculating a market index, it is worth identifying those that are used more often than others. Among them are:

  • Standard & Poor’s (100, 500, 600, and others);
  • Russell (1000, 2000, Midcap, etc.);
  • the aggregate bond market;
  • the global bond market.

Asset indexing was created to make life easier for investors, since there are huge portfolios that otherwise would be quite difficult to monitor. However, to simplify such calculations, you need to pay attention to several points.

The value of an index may differ depending on the selected method. To avoid having to deal with these subtle but extremely important points, investors must distinguish between construction methods.

In addition, these indicators can be conveniently compared to each other. This doesn’t require counting the number of digits or doing other tiresome work. By paying attention to the changes in indexes, it is much easier to track the dynamics of a company of interest and give an assessment in the form of “ups” or “downs”.

Investors need indexing for several reasons:

  • to get an overall assessment of the state of the market at the moment;
  • to make an opinion of the relative performance of a company;
  • to diversify a portfolio naturally.

With a solid knowledge base and gradual improvement of skills you will start to correctly analyze the current situation on the market. In-depth study of the processes will help you make profitable deals without hassle and time costs.

How to find indices with an investment app

The use of reliable apps that provide useful information is becoming more and more popular. One compact tool allows you to use a wide variety of functions not only for Market Index Definitions but also for other purposes.

Studying the description of the assets of companies presented on the market is necessary for novice investors who find it difficult to navigate the variety of options. For their convenience, there are explanatory and help functions provided, including:

  1. Analytics. The Orca app provides an array of analytical information worth exploring before investing.
  2. Descriptions. Detailed information about companies of interest will allow you to define the feasibility of investments at a certain moment.
  3. Variability. To study the whole stock market, you can use additional functions (search, classification, and much more).

To find portfolio indexes in a compact and reliable application, use the search icon. In the search bar, you can use specific tags, company names, and other means of identification. Moreover, the search can be used to find all corresponding indexes.

This feature resonates with users, since it simplifies the search for market indexes of interest and provides immediate results that reduce the number of options to the required minimum.

Corresponding market indexes will help you avoid confusion and quickly find suitable offers. Pay attention to additional information that will help you make the right decision, taking into account the market situation.

Don’t complicate the investment processes when there are options to simplify these things. For this, use special apps that have been developed precisely for such purposes. A detailed review and categorisation of options according to your interests is the best way to get rid of any investing headaches.


As with all investing, you may get back less than you put in. Your capital is at risk. Be sure to conduct research on stocks that you want to invest in. If you are unsure of a potential investment you should seek advice from a professional advisor. Orca does not provide investment advice.

Orca is an appointed representative of RiskSave Technologies Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 775330).