How can I see the numeric values for high, low, open and close in TWS charts?

You can show position information on your chart by adding the Quote Zone. From your chart, click the Edit menu option followed by Chart Parameters. Scroll down to the Additional Data and Features section and check the box for Quote Zone. Click Apply to save your changes and OK to close the window. You will now see a Quote Zone with the current price as well as any position information including size and P&L. To configure the quote zone to show other figures such as unrealized P&L, open/close prices, etc, right click on the Quote Zone and select Configure Quote Zone. This will allow you to select various different types of data to display in the Quote Zone. Once you have made any selections click Apply to save your changes and OK to close the window…

To see the numeric values of Last, Change, Position and P&L within a TWS chart:

1. Expand the View menu of your chart
2. Select Quote Zone…

You can enable (or disable) Chart Tooltips by clicking the Edit menu option followed by Global Chart Configuration. Scroll down to the Tool Tips section, check (or uncheck) the "Display ChartTrader button tooltip" and "Display bar details" boxes and select how you wish to view your tooltips (in a tooltip, separate window or bar details zone). Once you have made your selection, click…

Open the TWS Global Chart Configuration from the Edit menu of one your TWS charts.

Scroll down to the Tool tips area. Here select Display in bar details zone and then make sure both of the following items have a check-mark: Studies and Separate studies…