The risk model changes implied position in the Nikkei225 futures on market close (locally) on 21 March 2024, from 0.5 to 1.0.
Implied risk positions are from then on:
US (SP500): 0.0
EU (Estoxx50): -1.0
Japan (Nikkei225): 1.0
Fixed Income (US 10y TN): 1.0