-Shows the gap between 4pm close and 9:30am open; the Regular trading hours Vs Electronic trading hours Gap (RTH vs ETH).
-Displays this as a box starting at 9:30am, whose bottom is the 9:30am open; top is previous day's 4pm close.
-Displays when chart is toggled to either of ETH or RTH.
-Useful reminder of area above/below opening bell price that price often has...
