Security Ratio

Parameter Description

The security ratio is the parameter that characterizes the portion of an individual security in the aggregate capital of securities constituting the index calculation base. The security ratios are calculated daily at the close of trading on the MICEX SE CJSC.

Calculation Methodology

The security ratio is calculated according to the following formula:

Where:

Definitions:

Weight^k_i – is the portion of the i-th security in the aggregate capital of securities constituting the index calculation base;
Cap^k_i – is the market capital of the i-th security as of the index calculation date;
P^k_i – is the price of the i-th security included into the index calculation base used when calculating the relevant index, as of the end of the k-th working day;
Q^k_i – is the quantity of issue of the i-th security (in pieces);
FF^k_i – is the portion of the security’s capital that is freely circulating in the derivatives market (only used when calculating the ratio of shares constituting the calculation base of the MICEX Index).

Calculation Methodology for Analytical Parameters (In Russian)