Seasonality studies are commonly used as a research device to analyze price patterns surrounding certain time periods. For example, what happens to stock prices during the month of January or at year-end or to bond prices after the release of an inflationary economic number? Oftentimes, a researcher will employ a price graph to analyze price patterns surrounding certain significant dates. XMIM has the ability to supplement this technique by identifying certain significant dates through the use of the WHEN condition and analyzing the price movement for those dates using the SHOW attribute.