Does A Worse than Average S&P 500 In August Mean September Will Also Suffer?

trouble abounds (Credit: Sad Dog by Ink Hog, https://www.flickr.com/photos/34191996@N07/3859862007)

The simple answer is yes! The data show that a worse than average August for the S&P 500 (SPY) increases the likelihood of a worse than average September. I use average to mean the average maximum drawdown as calculated and analyzed in “How to Trade During the Stock Market’s Most Dangerous Months“. In this case, … Read more