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  2. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]

  3. Törnqvist index - Wikipedia

    en.wikipedia.org/wiki/Törnqvist_index

    A Törnqvist or Törnqvist-Theil price index is the weighted geometric mean of the price relatives using arithmetic averages of the value shares in the two periods as weights. [ 1 ] The data used are prices and quantities in two time-periods, (t-1) and (t), for each of n goods which are indexed by i .

  4. Capitalization-weighted index - Wikipedia

    en.wikipedia.org/wiki/Capitalization-weighted_index

    In other words, the number of shares used for calculation is the number of shares "floating", rather than outstanding. An index that is weighted in this manner is said to be "float-adjusted" or "float-weighted", in addition to being cap-weighted. For example, the S&P 500 index is both cap-weighted and float-adjusted. [3]

  5. Best equal-weight index funds - AOL

    www.aol.com/finance/best-equal-weight-index...

    The iShares MSCI USA Equal Weighted ETF aims to track the performance of an equal weighted index of U.S. stocks. The fund offers more exposure to mid-cap stocks and reduces the bias toward the ...

  6. NIFTY 50 - Wikipedia

    en.wikipedia.org/wiki/NIFTY_50

    The NIFTY 50 index is a free float market capitalisation-weighted index. Stocks are added to the index based on the following criteria: [1] Must have traded at an average impact cost of 0.50% or less during the last six months for 90% of the observations, for the basket size of Rs. 100 Million. The company should have a listing history of 6 months.

  7. Template:Inflation - Wikipedia

    en.wikipedia.org/wiki/Template:Inflation

    This template defaults to calculating the inflation of Consumer Price Index values: staples, workers' rent, small service bills (doctor's costs, train tickets). For inflating capital expenses, government expenses, or the personal wealth and expenditure of the rich, the US-GDP or UK-GDP indexes should be used, which calculate inflation based on the gross domestic product (GDP) for the United ...

  8. Wilshire 5000 - Wikipedia

    en.wikipedia.org/wiki/Wilshire_5000

    The difference between the full capitalization, float-adjusted, and equal weight versions is in how the index components are weighted. The full cap index uses the total shares outstanding for each company. The float-adjusted index uses shares adjusted for free float. The equal-weighted index assigns each security in the index the same weight.

  9. Price-weighted index - Wikipedia

    en.wikipedia.org/wiki/Price-weighted_index

    A price-weighted index is a stock market index where each constituent makes up a fraction of the index that is proportional to its component, the value would be: [1] Adjustment Factor = Index specific constant "Z" / (Number of shares of the stock * Adjusted stock market value before rebalancing)