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The formula for calculating DSE all share price index was changed according to IFC on 1 November 1993. The automated trading was initiated on 10 August 1998 and started on 1 January 2001. A central securities depository system was initiated on 24 January 2004.
The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]
Price indices are represented as index numbers, number values that indicate relative change but not absolute values (i.e. one price index value can be compared to another or a base, but the number alone has no meaning). Price indices generally select a base year and make that index value equal to 100.
ASPI measures the movement of share prices of all listed companies. It is based on market capitalisation. Weighting of shares is conducted in proportion to the issued ordinary capital of the listed companies, valued at current market price (i.e. market capitalisation). The base year is 1985, and the base value of the index is 100.
(For example, 500 shares at $32 may become 1000 shares at $16.) Many major firms like to keep their price in the $25 to $75 price range. A US share must be priced at $1 or more to be covered by NASDAQ. If the share price falls below that level, the stock is "delisted" and becomes an OTC (over the counter stock). A stock must have a price of $1 ...
The 2010-11 Bangladesh share market scam was a period of instability in the stock market from 2009 to 2011; the turmoil was in the two Bangladeshi stock exchanges, DSE and CSE. The market rose 62% in 2009, and 83% in 2010, but then declined 10% in January 2011, and a further 30% in February 2011. [ 1 ]
The price index for some period is usually normalized to be 1 or 100, and that period is called "base period." A Törnqvist or Törnqvist-Theil price index is the weighted geometric mean of the price relatives using arithmetic averages of the value shares in the two periods as weights. [1]
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.