Questions tagged [market-indexes]

This is a metric for tracking a collection of securities. For example, among US stocks, a commonly referenced index is the S&P 500. An index may be price-weighted, market-capitalization weighted or some other way to determine how much of the index each security contributes.

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Does it make sense to buy an index ETF (e.g. S&P 500) when the index is at an all-time high?

I have some money I intend to invest over the next 3-4 years. An important chunk of my portfolio would be invested in a stock market index ETF such as one representing the S&P 500. Unfortunately, ...
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S&P 500 - Current Constituent List

I'm getting different constituents from various places. An Excel sheet from the S&P website indicates 498 constituents in the S&P 500: Link to Excel Sheet on the S&P website, look at the "...
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Why are big companies like Apple or Google not included in the Dow Jones Industrial Average (DJIA) index?

I'm taking an investing and personal finance class in school. I was assigned to ask someone who knows about the stock market why big companies like Apple and Google aren't included the Dow Jones ...
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Who determines, and how, the composition of the S&P 500 index?

I thought S&P 500 would contain the top 500 U.S. companies by market cap, but apparently that is not the case? e.g., Facebook (FB) was only recently added and has market cap of $100B whereas ...
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Where can you find historical PEs of US indices?

Indices tracking ETFs * DIAMONDS Trust I (ticker: DIA) tracks DJIA * SPDRs (ticker: SPY) tracks S&P 500 * NASDAQ 100 Trust (ticker: QQQQ) tracks NASDAQ 100 * iShares Russell 2000 (ticker: IWM) ...
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What is the easiest way to back-test index funds and ETFs?

Some authors are irritating such as Stein, more here, they keep throwing people all kind of new "investing" strategies and different ideas after their last ideas stopped working. I feel such authors ...
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Why don't SPY, SPX, and the e-mini s&p 500 track perfectly with each other?

These tickers (SPY, SPX, /ES) are all based off the S&P 500 yet the relative lows and highs diverge. Can someone provide a basic explanation what causes this to happen? I feel like it may stem ...
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API for retrieving index P/E ratio?

Or CAPE ratio? I would love to be able to pull the current P/E ratio for the S&P 500 into a spreadsheet, for example. Neither the Google or Yahoo APIs have a P/E ratio associated with indices. ...
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Can the shorting of S&P futures negatively affect the underlying index and constituent stocks?

I hear people on financial shows talk all the time about index futures like SPY and QQQQ affecting the actual index. Can shorting these futures (in huge quantities obviously) cause the underlying ...
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How does the Dow Jones Industrial Average (DJIA) divisor change to account for dividends?

The DJIA is a price-weighted index tracking of 30 companies chosen by the Dow Jones Company. It takes the current share price of these 30 stocks and divides by a specific number called the divisor. ...
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What is the meaning of volume for an index?

http://yhoo.it/9K44hN lists the historical price of Dow Jones Industrial index in a table. The 6th column of this table is the volume information. What does the volume listed in this column exactly ...
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When does an indexing company have to announce its re-balance/reconstitution dates?

Every year indexes like the Russell cause huge volume days when they change the composition of their highly followed indexes. Is there regulation that dictates the timing of when they announce what ...
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What's the justification for the DJIA being share-price weighted?

It seems almost entirely irrelevant. So a company could have a reverse 2 for 1 split, and double its weighting in the average? How can one of the most popular barometers of the stock market be ...