Why is the cost of certificates fell today, while the market grew yesterday?
To determine the net asset value of investment funds using the exchange rate of the securities. The exchange rate of the securities is calculated on the day of exchange trading in this security by calculating the weighted arithmetic mean of prices of stock exchange contracts (agreements) concluded in a trading day.
And, based market index is not used the exchange rate of the security and the price of securities at the end of trading on the stock exchange.
Thus, when the market is growing rapidly throughout the day, the price of the security at the end of trading on the stock exchange will be higher than the exchange rate (weighted average price), and when the market is falling rapidly throughout the day, the price of the security at the end of trading on Exchange will be lower than the exchange rate (weighted average price).
Accordingly, it is a small difference between the index of the stock exchange indices and investment funds.