How do I add or remove news from my charts in TWS?

From the chart window click File followed by Add Chart to Window. In the dialogue box which populates uncheck the box next to the line which reads, "Sub chart uses current security," if you wish to use a different contract. 

Find out more in the TWS Users' Guide…

You can set chart parameters when you open a chart, and modify parameters from within a chart using the Edit menu:

1. Click the Edit menu within the chart window followed by Chart Parameters.
2. Place a check-mark next to Adjust for dividends…

To add an index for comparison to a TWS chart:

1. Click the Edit menu on top of your TWS chart.
2. Select Index Comparisons…

To display the vertical scrollbar on a chart, click on the Edit menu item followed by Global Chart Configuration. Make a check-mark next to Display Vertical Scrollbar. Click Apply and OK.

Find more information on TWS charts in the TWS Users' Guide…