The Stock Market Momentum Model uses the change in price to predict a future change. In trading jargon, this change in price is referred to as momentum. Mathematically, the model can be considered to be a causal high pass filter of degree 1.

In this model,  the user can analyze the momentum indicator response as it relates to the daily closing price of a few popular stock indices.  The upper plot shows the closing price and a smoothed price (in blue) if the filter is turned on. The lower panel is the momentum indicator. Users can drag a cursor left and right to compare values on these two graphs. Below, the cursor is dropped at a point where the momentum shifts from negative to positive values, which happens to be the beginning of a bull market. A trader would want to buy at these opportunities and sell when the momentum becomes negative. Time is measured in years and in each year there are approximately 253 business days.

Please note that this resource requires at least version 1.6 of Java (JRE).