“VIX up forty-one percent says Monday already traded, real one.”
4 sources: cboe.com, investing.com, marketwatch.com, yahoo.com. The VIX closed at 19.45 on Friday, October 23, up 2.21% that day—not 41%. Cboe’s latest data show the VIX rose 0.42 points on Friday; it closed at 18.44 on Monday, October 19. Monday, October 26, had not yet traded as of Saturday, October 24.
checked on the web by Perplexity
VIX Term Structure - Cboe Global MarketsVIX Volatility Products - Cboe Global Markets
CBOE Volatility Index (^VIX) Historical Data - Yahoo Finance