We've just updated the "Inspector" feature on our SharpCharts workbench. Now, when the "Inspect" box is checked, you will automatically see the databox and, if you click and drag, you will get a measuring stick-like ruler that shows you both the percentage and absolute change between any two points on your chart. Here's a screenshot of the measuring stick in action:
In this example, I clicked my mouse just below the 187.5 level and dragged it upwards to just above the 200 level. The white box on the left side shows me that the distance I measured was a 7.0% increase (or 13.13 points).
Note: With some browsers, you may need to click and release your mouse on the chart once before you click and drag in order to get the measuring stick to work.
What's that you say? You don't like the databox floating all over the chart? Simply hold down the CTRL (CMD on a Mac) key and it will disappear.
What's that you say? You want the thin-line crosshairs instead of the bar-wide version? Simply hold down SHIFT and the crosshairs will get skinny for you.
This is the first of many changes that we will be rolling out over the next couple of days in the lead up to ChartCon 2012. Stay tuned - your StockCharts.com account is about to get even more powerful!