The price summary shows values and calculations for the current price row. The current price row is the last trade price. However if the crosshairs are enabled on the chart (toggle crosshairs with the keyboard hot-key ‘X’), the price/calculations displayed will track with the mouse cursor as it is moved over the chart window.
PRCThe current price.
VOLThe volume traded at the current price.
DDelta. The difference between the volume traded when this price was the best bid and when this price was the best offer.
B/ADisplays the volume traded at the best bid and offer at the current price.
nTPOThe number of TPO symbols in this price row.