As per the Securities market risk parameters methodology, on 16.03.2020, 10-11 (MSK) the upper bound of the price band (up to 204) and initial margins (up to 105 %) for the security MSTT were changed. New values are available here
FTSE Mondo Visione Exchanges Index:
Moscow Exchange: Risk Parameters Change For The Security MSTT - Update 1
Date 16/03/2020