The gray dots on the candles are at 20 pips above the daily low and 20 pips below the daily high. Easy for a "rat" to see when price has retraced off the daily high/low by more than 20 pips.
When starts/ends Your day?
Have You already compared results when You let
the day start at personal different times?
(extreme examples: day start at London open or
when US news are on the way)