How Long Does the Average Bull Market Rally Last?

As of today, the bull market which began in March of 2009 is 1,422 calendar days old.  Over that whole period there have been nine drawdowns of greater than 5% which segment the bull market into ten periods of bull market rally.

The average bull market rally since 2009 has lasted 99 calendar days and has seen the market rise by 18.8%.  By contrast our current rally, which started in mid November, is just 75 days old and has charted a 10.9% rise.  If this rally were to last in line with the averages it would go on until February 22 and the S&P 500 would rise to 1608 before the next 5% pullback.  Below is a chart of the full bull market broken down by periods of rally and >5% drawdown.