Are Monthly Asset Returns Normally Distributed?A normal distribution, or bell curve, fairly accurately models the monthly returns for the S&P 500 (see blog post: Are S&P 500 Returns...

Are S&P 500 Returns Normally Distributed?Does a normal distribution, or bell curve, accurately model returns for the S&P 500? Below are plots of 47 years or return data sorted by...

The Normal DistributionIn many natural processes, random variation conforms to a particular probability distribution known as the normal (Gaussian) distribution...

Understanding Probability Gives ConfidenceNothing is definite, the best thought out plans may falter, but you need a plan and you need confidence in the plan. Understanding the...