Russians and foreign investors lost confidence in the rapidly declining economy and took out rubles from banks and exchanged them for dollars and euros. The central bank has to come forward to meet part of the market demand for hard currency.
In the four days from June 10,18.5 billion USD has been spent.
The ruble exchange rate has fallen by 15% in the past three months, reaching an all-time low of 1 USD against 40 rubles.
If you have studied for a long time, you can pay attention to the trend chart from 1998 rubles to today.