MOEX Blue Chip Index is an indicator of the market of the most liquid stocks of Russian companies. The index is calculated on the basis of the 15 most liquid stocks of Russian stock market. The Index is based on the prices of shares, denominated in rubles.
Weights of the Index constituent stocks are pro rata to their weights in the MICEX Index. The Blue-Chip Index continue the historical values of the RTS Standard Index. During the main trading session the index is calculated on prices of the Main Market Sector. Source: Moscow Exchange https://www.moex.com/en/indices