Last time Valvoline showed the Noack numbers (before they went started showing
My mistake. I was thinking it was 11.9% but that was Castrol Edge 0W-20. It seems PQIA looked at Valvoline Advanced 0W-20 just this month and was 9.9%.
https://pqia.org/valvoline-sae-0w-20-full-synthetic-motor-oil/