As per the Securities market risk parameters methodology, on 16.03.2020, 10-04 (MSK) the upper bound of the price band (up to 183.05) and initial margins (up to 87.5 %) 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
Date 16/03/2020