Regression trend tool doesn’t work on the stacked chart bottom one (SPY). So I made my own using trend lines

Signal for a SPY pullback is when the VIX and the S&P 500 is rising at the same time. It’s a very strong signal
Trend AnalysisVIX CBOE Volatility Index

يعمل أيضًا:

إخلاء المسؤولية