About Bullish Sentiment Anomaly (BSA)
The Bull Vix algorithm was developed by experienced algorithm developer Michael Markowski after he discovered the Bullish Sentiment Anomaly (BSA) in November 2020. A Bullish Sentiment Anomaly, a contrary indicator for the stock market, occurs upon the two following events occurring in same trading week:
- S&P 500 or Dow Jones 30 Industrials composite reaching new all-time high
- A weekly investor sentiment reading by AAII (American Association of Individual Investors) of survey participants at above 45.0% Bullish.
The charts below cover the three prior Bullish Sentiment Anomaly (BSA) occurrences since 2017.