S&P 500 Index (SP500): The S&P 500 Index includes a representative sample of 500 leading companies in leading industries of the U.S. economy.
S&P 500 Index
What It Is:
The S&P 500 Index is a diverse index that includes 500 American companies that represent over 70% of the total market capitalization of the U.S. stock market.
S&P 500 Index
A market-value (capitalization) weighted index consisting of large-capitalization U.S. stocks. more...
S&p 500 Index (finance term)
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The S&P 500 Index consists of 500 stocks chosen for market size, liquidity, and industry group representation.
Based on the S&P 500 index there have been 10 bear markets and 16 market corrections since 1946. Those bears have erased on average nearly one third of the market's value.
This chart of the S&P 500 index clearly displays market cycles.
We can see that a bear market started in late 2000 as the 30-week moving average headed downwards.
For example, an individual stock divided by the S&P 500 index can determine whether that stock is outperforming or underperforming the stock market as a whole. A rising ratio indicates that the numerator in the ratio is outperforming the denominator.
Standard & Poor`s 500 (SP 500) S&P 500 Index
Standard & Poor`s Depositary Receipt (SPDR)
Standard & Poor`s MidCap 400 Index
Standard & Poor`s SmallCap 600 Index
Standard deduction
Standard deviation
Standard error ...
The S&P 500 index, for example, is widely used as a benchmark for the performance of U.S. equity mutual funds. The use of a benchmark provides a standard by which an investment"s risk and return characteristics can be gauged.
Beta: A measure of a stock's volatility in comparison to the S&P 500 index. The S&P 500 index is given a value of 1. If a stock is more volatile than the S&P 500 index, it will have a beta greater than 1.
I've seen one major wealth management firm offer an S&P 500 index fund, that requires virtually no work, but charge a 1%+ expense fee each year. That's 10x the cost of the Fidelity and Vanguard funds for a virtually identical product! ...
For example, one can compute the of IBM stock with respect to the S&P 500 index over the past six months.
Along with the NASDAQ Composite, the S&P 500 Index, and the Russell 2000 Index, the Dow is among the most closely-watched benchmark indices tracking targeted stock market activity.
There's an opinion that the A/D Line depicts the strength of the market more efficiently than the more often used Dow Jones Industrial Average (DJIA) or the S&P 500 Index.
The following chart is a monthly line chart of the S&P 500 Index shown with a 6-month and a 10-month moving average. We determine the trend based upon the relationship of the 6-month line to the 10-month line.
If you wanted to buy every stock listed in the S&P 500 index, it would take hundreds of thousands of dollars.
ALPHA
Alpha measures a stock's move during the month when the S&P 500 index is unchanged. For example, a stock with an alpha of 6 would be expected to rise 6% in a month when the price of the S&P 500 index doesn't change.
If you buy an S&P 500 index fund, it will never invest in anything but the S&P 500. That kind of consistency is necessary if you want the asset allocation in your portfolio to be precise.
A market-capitalization-weighted index developed by Standard and Poor's consisting of those stocks within the S&P 500 Index that exhibit strong growth characteristics.
A classic divergence occurred during 1985 and 1986 where the S&P 500 Index was making new highs, but the New Highs-Lows Cumulative indicator was failing to surpass its previous highs. This was followed by the crash of 1987.
Calculation ...
the S&P 500 Index is the proxy for the market. The index holds companies that represent sectors of the overall economy. Its performance says something about future prospects for the economy and U.S. business.
We just won't officially know it's a bear market until the S&P 500 Index falls past that 20 percent loss mark.
At that point, it will be an official bear market, but that knowledge will be of little comfort.
Suggested Reading ...
Market Portfolio - The group of all stocks in the market. The S&P 500 Index usually serves as a proxy for all stocks in the market and is a commonly used benchmark when comparing performance and risk of portfolios or stocks.
In the bubble years, the average stock on the S&P 500 index traded with a P/E in the mid-20s.
You can also find them described on their sponsors' websites and in the available information of the funds that track them (for example, the prospectus for an S&P 500 Index fund will describe the S&P 500 Composite Price Index).
Does a Long-Term Moving Average Indicator Predict Big Days ...
...an investor who enters (exits) the market when the S&P 500 index crosses above (below) its 200-day moving average may miss most of the extremely high volatility days but ...
00 into, let's say, the S&P 500 Index Fund, you would end up owning around $10.00 worth of 500 different companies.
The disappointment, though, goes deeper: since the start of this century the US sharemarket, measured by the S&P 500 Index, has fallen by 13 per cent, and that's before taking into account the erosion in value caused by inflation over that time.
Some mutual funds, exchange-traded funds, and other funds such as pension funds, are designed to track the performance of the S&P 500 index. Hundreds of billions of U.S. dollars have been invested in this fashion.
These are futures contracts small enough for an individual investor to trade. Two very popular E-Minis are the "ES" series and the "ND" series, representing futures on the S&P 500 index and the NASDAQ 100 index, respectively.
Market-Weighted Index
An index calculated using the price of each stock multiplied by the number of shares held. Corporations with the most shares make the largest impact. Some examples include the S&P 500 Index and the NASDAQ composite.
The first ETF was the S&P 500 index on the Amex in January 1993, called SPDR or "spider". The SPDR or "spider" is an investment instrument that bundles the stocks of the S&P 500 and give you ownership in the index.
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unfortunate habit of private investors to jump onto an investment bandwagon and buy into hot funds at the top of the market. Some studies suggest that this causes most investors to earn a massive five percent less each year than the S&P 500 index.
[CFTC] beta equation The beta of a stock is determined as follows: [(n) (sum of (xy)) ]-[(sum of x) (sum of y)] / [(n) (sum of (xx)) ]-[(sum of x) (sum of x)]; where: n = # of observations (24-60 months), x = rate of return for the S&P 500 Index, ...
 See also: Index, S&P 500, Market, Stock, Trading
  
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