On 29th august 2023 in free prediction column of our website , I have shared an analysis on VIX with title *is it possible to predict time window of next spike up in ViX *
if you check our cycle analysis rightly predicted the 50% rise in VIX we saw between 15-27 September (12.68 to 19.71) see the September,2023 part above 
Hope you find our research useful
best wishes
