Advanced multilevel Bid/Ask Size display (SDMCha)
SDMCha can present you with the current order sizes/order
book of each price level:
In this example we see a strong support at the $827.00/25/50 level - shown as
the three
green bars to the right of the price axis. As you can see below the price moved
up strongly!

The next hurdle/bounce at 15:07:30 was the $829.50/75 level (large red bars),
but after a brief retreat the rally continued:
