Morad (Futures Trader 71) showing and interpreting Bookmap Pro screen this morning. Start at 17:01
https://www.youtube.com/watch?v=rQHguPAymbUThe last couple of weeks he has added a short segment on Bookmap software every morning. The tool itself is not a cheep rent and it requires an expensive data feed. But Morad trades by selling a bunch of contracts at once then scaling out of his position so he really needs to know where, as he says, there is something to push against.
Many mornings there is nothing unusual. But when there is a disturbance in the force (like today) it does provide Jedi level incite.