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  2. Shapley–Shubik power index - Wikipedia

    en.wikipedia.org/wiki/Shapley–Shubik_power_index

    The Shapley–Shubik power index was formulated by Lloyd Shapley and Martin Shubik in 1954 to measure the powers of players in a voting game. [ 1 ] The constituents of a voting system, such as legislative bodies, executives, shareholders, individual legislators, and so forth, can be viewed as players in an n -player game .

  3. 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.

  4. Fundamentally based indexes - Wikipedia

    en.wikipedia.org/wiki/Fundamentally_based_indexes

    Fundamentally based index funds have higher expense ratios than the traditional capitalization weighted index funds. For example, the Powershares fundamentally based ETFs have an expense ratio of 0.6% (the U.S. index ETF has an expense ratio of 0.39%) while the PIMCO Fundamental IndexPLUS TR Fund charges 1.14% in annual expenses. [25]

  5. NumPy - Wikipedia

    en.wikipedia.org/wiki/NumPy

    NumPy (pronounced / ˈ n ʌ m p aɪ / NUM-py) is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate on these arrays. [3]

  6. Complex data type - Wikipedia

    en.wikipedia.org/wiki/Complex_data_type

    The Go programming language has built-in types complex64 (each component is 32-bit float) and complex128 (each component is 64-bit float). Imaginary number literals can be specified by appending an "i". The Perl core module Math::Complex provides support for complex numbers. Python provides the built-in complex type. Imaginary number literals ...

  7. 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.

  8. Capitalization-weighted index - Wikipedia

    en.wikipedia.org/wiki/Capitalization-weighted_index

    For example, the S&P 500 index is both cap-weighted and float-adjusted. [3] Historically, in the United States, capitalization-weighted indices tended to use full weighting, i.e., all outstanding shares were included, while float-weighted indexing has been the norm in other countries, perhaps because of large cross-holdings or government ownership.

  9. S&P Global 1200 - Wikipedia

    en.wikipedia.org/wiki/S&P_Global_1200

    The S&P Global 1200 Index is a free-float weighted stock market index of global equities from Standard & Poor's. The index was launched on Sep 30, 1999 and covers 31 countries and approximately 70 percent of global stock market capitalization. [1] It is composed of seven regional indices: S&P 500 Index (United States)