Regional Options is a new addition to the Market Depth window. When an option is typed into a Market Depth window, the best bid/ask from each regional exchange is displayed.
One other method to open a Regional Options display is...
1) Open an Options Window
2) Enter a stock symbol
3) Right-click an option symbol
4) Select Regional Options
One other method to open a Regional Options display is...
1) Open an Options Window
2) Enter a stock symbol
3) Right-click an option symbol
4) Select Regional Options