Show your villain personally doing something despicable. Have the villain do something awful to something or someone we care about. Make sure your villain has a believable motive or agenda. Avoid bargain bin Nazis. Don't have your villain talk like a cheeseball. Be careful with those smirks.
A simple moving average is customizable in that it can be calculated for a different number of time periods, simply by adding the closing price of the security for a number of time periods and then dividing this total by the number of time periods, which gives the average price of the security over the time period.
In statistics, a moving average (rolling average or running average) is a calculation to analyze data points by creating a series of averages of different subsets of the full data set. It is also called a moving mean (MM) or rolling mean and is a type of finite impulse response filter.