Transparent charts and/or studies are the primary use of transparent windows. When you select a transparent chart, the system displays charts, scales, and text are displayed with no background. When a transparent chart is placed over another chart, the underlying window remains visible and the contents of both can be easily compared. Possible uses of transparent charts: Overlaying studies on charts (see, below) Overlaying studies on studies Overlaying charts on charts Overlaying charts of the same instrument at different times (e.g., USH3 before 1/1/89 and USH3 before 1/1/88) Overlaying news on charts Overlaying quotes on charts.Transparent Charts