The Graph displays the Line and Tooltip for Orange only, as the latter is entirely overlapping the Apple series. If the lines are displayed separately, the chart will be incorrect, which may be misleading. The tooltips are also overlapping as the data points coincide entirely. The position of the Tooltips cannot be customized.
If you need to see the two overlapping series separated, you may introduce a constant difference between them. For example, add some constant value to the Y-axis value of one of them.
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