I would like to quickly check if JFreeChart API supports a percentage axis in order to show the percentage gain or loss over a period of time. For example, when comparing the price movements of IBM and SPY in one chart, would like to look at the gain/loss percentage on the range axis. We have been using JFreeChart API to develop charts for a trading platform and would like to add capability of comparing multiple assets in the same chart.
Discussion about JFreeChart related to stockmarket charts.
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