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| Types of indices | |||||||||||||||||||||||||||||||||||||||||||
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Stock market indices may be classed in many ways. A 'world' or 'global' stock market index includes (typically large) companies without regard for where they are domiciled or traded. Two examples are MSCI World and S&P Global 100.
A 'national' index represents the performance of the stock market of a given nation—and by proxy, reflects investor sentiment on the state of its economy. The most regularly quoted market indices are national indices composed of the stocks of large companies listed on a nation's largest stock exchanges, such as the American S&P 500, the Japanese Nikkei 225, the Brazilian Ibovespa, the Russian RTSI, the Indian SENSEX and the British FTSE 100.
The concept may be extended well beyond an exchange. The Wilshire 5000 Index, the original total market index, represents the stocks of nearly every publicly traded company in the United States, including all U.S. stocks traded on the New York Stock Exchange (but not ADRs or limited partnerships), NASDAQ and American Stock Exchange. Russell Investment Group added to the family of indices by launching the Russel Global Index.[1]
More specialised indices exist tracking the performance of specific sectors of the market. Some examples include the Wilshire US REIT which tracks more than 80 American real estate investment trusts and the Morgan Stanley Biotech Index which consists of 36 American firms in the biotechnology industry. Other indices may track companies of a certain size, a certain type of management, or even more specialized criteria — one index published by Linux Weekly News tracks stocks of companies that sell products and services based on the Linux operating environment.
[edit] Tags:Nasdaq Composite,Dow Jones Industrial Average,S&p 500,Dot-com,Stock Market,Benchmarks,Portfolios,Mutual Funds,Msci World,S&p Global 100,Nikkei 225,Ibovespa,Sensex,Ftse 100,Wilshire 5000,United States,New York Stock Exchange,Adrs,Limited Partnerships,Nasdaq,American Stock Exchange,Russell Investment Group,Wilshire Us Reit,American,Real Estate Investment Trusts,Morgan Stanley Biotech Index,Biotechnology,Linux Weekly News,Linux,Weighted,Dividends,Wilshire 4500,Price-weighted,Amex Major Market Index,Nyse Arca Tech 100 Index,Market-value Weighted,Capitalization-weighted,Hang Seng Index,Market-share Weighted,Float,Indexing,Attribute-weighted,Modern Portfolio Theory,Trend-following,“fundamental”-weighted,Arnott,Passively Managed,Index Funds,Actively Managed,Churn Rate,Exchange-traded Fund,Ethical Investing,The Calvert Group,Kld,Ftse4good Index,Dow Jones Sustainability Index,Wilderhill Clean Energy Index,Oic,Islamic Law,Dow Jones Islamic Market World Index,Nortel,Tse 300 Index,Mark-to-future Methods,Enron,Market Transparency,Cboe S&p 500 Buywrite Index,Ftse,Cboe S&p 500 Putwrite Index,Ishares,Index Of Accounting Articles,Index Of Economics Articles,Index Of Management Articles,List Of Stock Exchanges,List Of Stock Market Indices,Outline Of Finance,Outline Of Marketing,Index (economics),Index Fund,Passive Management,Bloomberg L.p.,Journal Of Portfolio Management,Financial Markets,Stocks,Common Stock,Concentrated Stock,Golden Share,Growth Stock,Preferred Stock,Restricted Stock,Tracking Stock,Share Capital,Authorised Capital,Issued Shares,Shares Outstanding,Treasury Stock,Broker-dealer,Floor Broker,Floor Trader,Investor,Market Maker,Proprietary Trader,Quantitative Analyst,Stock Trader,Exchanges,Electronic Communication Network,Market Opening Times,Over-the-counter,Multilateral Trading Facility,Stock Valuation,Alpha,Arbitrage Pricing Theory, | |||||||||||||||||||||||||||||||||||||||||||
| Index versions | 2>
Some indices, such as the S&P 500, have multiple versions.[2] These versions can differ based on how the index components are weighted and on how dividends are accounted for. For example, there are three versions of the S&P 500 index: price return, which only considers the price of the components, total return, which accounts for dividend reinvestment, and net total return, which accounts for dividend reinvestment after the deduction of a withholding tax.[3] As another example, the Wilshire 4500 and Wilshire 5000 indices have five versions each: full capitalization total return, full capitalization price, float-adjusted total return, float-adjusted price, and equal weight. The difference between the full capitalization, float-adjusted, and equal weight versions is in how index components are weighted.[4][5]
[edit] | Tags: Weighting | 2>
An index may also be classified according to the method used to determine its price. In a price-weighted index such as the Dow Jones Industrial Average, Amex Major Market Index, and the NYSE ARCA Tech 100 Index, the price of each component stock is the only consideration when determining the value of the index. Thus, price movement of even a single security will heavily influence the value of the index even though the dollar shift is less significant in a relatively highly valued issue, and moreover ignoring the relative size of the company as a whole. In contrast, a market-value weighted or capitalization-weighted index such as the Hang Seng Index factors in the size of the company. Thus, a relatively small shift in the price of a large company will heavily influence the value of the index. In a market-share weighted index, price is weighted relative to the number of shares, rather than their total value.
Traditionally, capitalization- or share-weighted indices all had a full weighting, i.e. all outstanding shares were included. Recently, many of them have changed to a float-adjusted weighting which helps indexing.
A modified capitalization-weighted index is a hybrid between capitalization weighting and equal weighting. It is similar to a capitalization weighting with one main difference: the largest stocks are capped to a percent of the weight of the total stock index and the excess weight will be redistributed equally amongst the stocks under that cap. Moreover, in 2005, Standard & Poor's introduced the S&P Pure Growth Style Index and S&P Pure Value Style Index which was attribute-weighted. That is, a stock's weight in the index is decided by the score it gets relative to the value attributes that define the criteria of a specific index, the same measure used to select the stocks in the first place. For these two stocks, a score is calculated for every stock, be it their growth score or the value score (a stock cannot be both) and accordingly they are weighted for the index.[6]
[edit] | Tags: Criticism of capitalization-weighting | 2>
The use of capitalization-weighted indices is often justified by the central conclusion of modern portfolio theory that the optimal investment strategy for any investor is to hold the market portfolio, the capitalization-weighted portfolio of all assets. However, empirical tests conclude that market indices are not efficient.[citation needed] This can be explained by the fact that these indices do not include all assets or by the fact that the theory does not hold. The practical conclusion is that using capitalization-weighted portfolios is not necessarily the optimal method.
As a consequence, capitalization-weighting has been subject to severe criticism (see e.g. Haugen and Baker 1991, Amenc, Goltz, and Le Sourd 2006, or Hsu 2006), pointing out that the mechanics of capitalization-weighting lead to trend-following strategies that provide an inefficient risk-return trade-off.
Also, while capitalization-weighting is the standard in equity index construction, different weighting schemes exist. First, while most indices use capitalization-weighting, additional criteria are often taken into account, such as sales/revenue and net income (see the “Guide to the Dow Jones Global Titan 50 Index”, January 2006). Second, as an answer to the critiques of capitalization-weighting, equity indices with different weighting schemes have emerged, such as "wealth"-weighted (Morris, 1996), “fundamental”-weighted (Arnott, Hsu and Moore 2005), “diversity”-weighted (Fernholz, Garvy, and Hannon 1998) or equal-weighted indices.
[edit] | Tags: Indices and passive investment management | 2>
There has been an accelerating trend in recent decades to create passively managed mutual funds that are based on market indices, known as index funds. Advocates claim that index funds routinely beat a large majority of actively managed mutual funds; one study[citation needed] claimed that over time, the average actively managed fund has returned 1.8% less than the S&P 500 index - a result nearly equal to the average expense ratio of mutual funds (fund expenses are a drag on the funds' return by exactly that ratio). Since index funds attempt to replicate the holdings of an index, they obviate the need for — and thus many costs of — the research entailed in active management, and have a lower churn rate (the turnover of securities which lose fund managers' favor and are sold, with the attendant cost of commissions and capital gains taxes).
Indices are also a common basis for a related type of investment, the exchange-traded fund or ETF. Unlike an index fund, which is priced daily, an ETF is priced continuously, is optionable, and can be sold short.
[edit] | Tags: Ethical stock market indices | 2>
A notable specialised index type is those for ethical investing indices that include only those companies satisfying ecological or social criteria, e.g. those of The Calvert Group, KLD, FTSE4Good Index, Dow Jones Sustainability Index and Wilderhill Clean Energy Index.
In 2010, the OIC announced the initiation of a stock index that complies with Islamic law's ban on alcohol, tobacco and gambling. Other such equities, such as the Dow Jones Islamic Market World Index, already exist.[7]
Another important trend is strict mechanical criteria for inclusion and exclusion to prevent market manipulation, e.g. in Canada when Nortel was permitted to rise to over 30% of the TSE 300 index value. Ethical indices have a particular interest in mechanical criteria, seeking to avoid accusations of ideological bias in selection, and have pioneered techniques for inclusion and exclusion of stocks based on complex criteria. Another means of mechanical selection is mark-to-future methods that exploit scenarios produced by multiple analysts weighted according to probability, to determine which stocks have become too risky to hold in the index of concern.
Critics of such initiatives argue that many firms satisfy mechanical "ethical criteria", e.g. regarding board composition or hiring practices, but fail to perform ethically with respect to shareholders, e.g. Enron. Indeed, the seeming "seal of approval" of an ethical index may put investors more at ease, enabling scams. One response to these criticisms is that trust in the corporate management, index criteria, fund or index manager, and securities regulator, can never be replaced by mechanical means, so "market transparency" and "disclosure" are the only long-term-effective paths to fair markets.
[edit] | Tags: Innovations Awards to Stock Indices | 2>
Your stock index chart makes me feel much better...
The William F. Sharpe Indexing Achievement Awards are presented annually in order to recognize the most important contributions to the indexing industry over the preceding year.
Most Innovative Benchmark Index
2004 — CBOE S&P 500 BuyWrite Index (BXM)[8]
2005 — FTSE/RAFI Fundamental Index Series
2006 — Standard and Poor’s Case-Shiller House Prices Indices
2007 - CBOE S&P 500 PutWrite Index (PUT)[9]
2011 - S&P GSCI Dynamic Roll Index
Most Innovative ETF
2004 — iShares MSCI EAFE (EFA) and Emerging Markets
2005 — EasyETF GSCI Commodities ETF
2006 — PowerShares DB Commodity Index Tracking Fund (DBC) and PowerShares G10 Currency Harvest Fund (DBV)
2007 - SPDR DJ Wilshire International Real Estate ETF
2011 - ProShares VIX Short-term Futures ETF (VIXY)
Most Innovative Index Product
2004 — CBOE Volatility Index (VIX) Futures
2005 — Options on Vanguard VIPERS at the CBOE
2006 — Chicago Board Options Exchange Options on the CBOE Volatility Index (VIX)
2007 - iPath ETNs
2009 - Thomson Reuters Realized Volatility Index
Best Index-related Research Paper
2004 — Steven Schoenfeld
2005 — Rob Arnott
2006 — Eugene F. Fama and Kenneth R. French
2007 - Benchmarking Benchmarks: Measuring Characteristic Selectivity, By Kingsley Fong, David R. Gallagher, Adrian Lee, University of New South Wales
2011 - Index Volatility in Perspective, by Joanne Hill
Lifetime Achievement Award
2004 — Tim Harbert
2005 — William Sharpe and Nathan Most
2006 — Burton G. Malkiel and Ronald J. Ryan
2007 - John C. Bogle, Paul A. Samuelson, Patricia C. Dunn, William L. Fouse and John A. Prestbo
2008 - Leo Melamed, Joanne Hill, Joe Levin, and Kelly Haughton
2009 - William J. Brodsky and Gus Sauter
2011 - Lee Kranefuss
[edit] | Tags: Lists | 2>
Index of accounting articles
Index of economics articles
Index of management articles
List of stock exchanges
List of stock market indices
Outline of finance
Outline of marketing
[edit] | Tags: Notes | 2>
^ Russell.com
^ "S&P - Indices > Equity Indices - S&P 500 - Index Table". http://www2.standardandpoors.com/portal/site/sp/en/us/page.topic/indices_500/2,3,2,2,11,31,2007,0,0,1,1,0,0,0,0,0.html.
^ "Description". http://www2.standardandpoors.com/servlet/ContentServer?pagename=spcom/template/topic_template/DescriptionPglt&r=US&l=EN&ds=indices_totalreturn.
^ "Wilshire: Index Calculator Result". http://www.wilshire.com/Indexes/calculator/.
^ "Dow Jones Wilshire > DJ Wilshire 5000/4500 Indexes > Methodology". http://www.djindexes.com/wilshire/us/5000-4500/index.cfm?go=methodology.
^ S&P methodology via Wikinvest
^ Haris Anwar,Muslim-Majority Nations Plan Stock Index to Spur Trade: Islamic Finance, Bloomberg L.P., Nov. 25, 2010.
^ CBOE - Micro Site
^ CBOE - Micro Site
[edit] | Tags: References | 2>
Amenc, N.; Goltz, F.; Le Sourd, V. (2006). Assessing the Quality of Stock Market Indices. EDHEC Publication.
Arnott, R. D.; Hsu, J.; Moore, P. (2005). "Fundamental Indexation". Financial Analysts Journal 60 (2): 83–99. JSTOR 4480658.
Broby, D. P. (2007). A Guide to Equity Index Construction. Risk Books.
Fernholz, R.; Garvy, R.; Hannon, J. (1998). "Diversity-Weighted Indexing". Journal of Portfolio Management 24 (2): 74–82. doi:10.3905/jpm.24.2.74.
Haugen, R. A.; Baker, N. L. (1991). "The Efficient Market Inefficiency of Capitalization-Weighted Stock Portfolios". Journal of Portfolio Management 17 (3): 35–40. doi:10.3905/jpm.1991.409335.
Hsu, Jason (2006). "Cap-Weighted Portfolios are Sub-optimal Portfolios". Journal of Investment Management 4 (3): 1–10. http://www.joim.com/abstract.asp?IsArticleArchived=1&ArtID=197.
[edit] | Tags: External links | 2>
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