As per the Securities market risk parameters methodology, on 10.11.2020, 10-12 (MSK) the upper bound of the price band (up to 3311) and initial margins (up to 18 %) for the security PFE-RM were changed. New values are available here
FTSE Mondo Visione Exchanges Index:
Moscow Exchange: Risk Parameters Change For The Security PFE-RM - Update 1
Date 10/11/2020