ARTICLE SYNOPSIS ...Finding Cycles In Time Series Data by A. Bruce Johnson, Ph.D. To improve the process of removing trend from stock market prices to see underlying cyclic movement, I have combined triangular moving averages with the moving average convergence/divergence (MACD) concept of calculating the difference between two moving averages. Figures 1-9 indicate that this new technique shows some promise, at the cost of some moving average lag. This loss is redeemed by the gain of a stationary curve that retains, and may reinforce, the cycles in the original data. Trend can be removed from data in a number...