As per the Securities market risk parameters methodology, on 02.09.2020, 19-18 (MSK) the upper bound of the price band (up to 3490) and initial margins (up to 30 %) for the security TWTR-RM were changed. New values are available here
FTSE Mondo Visione Exchanges Index:
Moscow Exchange: Risk Parameters Changes For The Security TWTR-RM
Date 02/09/2020