Indices are weighted by the market value of shares outstanding and the most recent registered prices are used in the calculation.
The following formula is used in the calculation of indices:
|
| n |
|
|
| Σ | Fit * Nit * Hit |
|
| i=1 |
|
| Et | = |
|
|
| Bt |
| Et | = | Value of the index at period t |
| n | = | Number of stocks (companies) included in the index |
| Fit | = | Price of the stock "i" at period t |
| Nit | = | Total number of stock "i" at period t |
| Hit | = | Rate of shares outstanding of the stock "i" at period t |
| Bt | = | Divider value of the index at period t |