I attended some workshop yesterday and I noticed that one of the presenters had an indicator titled 'price ratio' and had DVOL and UVOL as the inputs.
From some deduction, I see that it was basically looking at the ratio of down by up volume on the NYSE exchange; he had a few levels marked as well (which I've also marked on this indicator).
Seems like an interesting metric to consider, basically used to get a rough idea of the short term sentiment of the masses; allowing one to see when selling is outpacing buying in pure volume traded on an exchange.
I've added a few other exchanges to allow for quick switch between the majors with this info readily available on TradingView.
Supported inputs are: AMEX, NYSE, NASDAQ, ALL (must be in caps) All is the sum of the NYSE, AMEX, and NASDAQ exchange volume.
The standard trading view disclaimer applies to this post -- please consult your own investment advisor before making investment decisions. This post is for observation only and has no warranty etc. tradingview.com/disclaimer/
If you go down to an intraday time frame, one minute works well, and overlap both the UVOL with the DVOL for the respective index (i.e. SP500 is UVOL, DVOL) you get to see who has control, the buy bots or sell bots and when than changes intraday. :)