Concerning today's trading of Index Futures and Options in the night session, trading will be available as normally.
However, the reference price for price limits excluding Nikkei 225 Futures and Nikkei 225 Mini will be the same value as the previous trading day.
FTSE Mondo Visione Exchanges Index:
Osaka Exchange: Concerning Night Session Trading For Index Futures And Options
Date 27/12/2016