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Example of historical stock price data (top half) with the typical presentation of a MACD(12,26,9) indicator (bottom half). The blue line is the MACD series proper, the difference between the 12-day and 26-day EMAs of the price. The red line is the average or signal series, a 9-day EMA of the MACD series.
The daily price change of the Value Line Arithmetic Composite Index is calculated by adding the daily percent change of all the stocks, and then dividing by the total number of stocks. While the Kansas City Board of Trade (KCBT) made use of the indices since 1982, it shifted exchange distribution to NYSE’s Global Index Feed on August 30, 2013.
Unweighted, or "elementary", price indices only compare prices of a single type of good between two periods. They do not make any use of quantities or expenditure weights. They are called "elementary" because they are often used at the lower levels of aggregation for more comprehensive price indices. [2]
While the S&P 500 was first introduced in 1923, it wasn't until 1957 when the stock market index was formally recognized, thus some of the following records may not be known by sources. [ 1 ] Largest daily percentage gains [ 2 ]
An intraday point gain is defined as the difference between the opening price (which may or may not be the intraday low) and the intraday high. This is distinguished from a point swing, which is defined as the difference between the intraday high and the intraday low. Such records that turned negative are also recorded in a separate list.
Stocks were higher just 40% of the time in those years with an average decline of 3.4%. Meanwhile, in years when GDP tracked between 2.1% and 3%, stocks were higher 70% of the time, with an ...
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Stock market indices may be categorized by their index weight methodology, or the rules on how stocks are allocated in the index, independent of its stock coverage. For example, the S&P 500 and the S&P 500 Equal Weight each cover the same group of stocks, but the S&P 500 is weighted by market capitalization, while the S&P 500 Equal Weight places equal weight on each constituent.