The risk model changes implied position in the Nikkei 225 futures on market close (locally) 4 August 2023, from 1.0 to 0.5.
Implied risk positions are from then on:
US (SP500): -1.0
EU (Estoxx50): -1.0
Japan (Nikkei225): +0.5
Fixed Income (US 10y TN): -1.0