"… due to the uncertainty surrounding the ongoing Greek debt negotiations, and ahead of a potential announcement over the weekend that could lead to high volatility on the market, please be informed that we have decided to decrease your risks by temporarily moving all Instruments to 'Close Only' mode, from 22:30 GMT+3 on Friday the 26th of June 2015, until 00:30 GMT+3 on Monday the 29th of June 2015, trading terminal time."