The colour bars: Green: Price up - Volume > 2 x STD of last 21 bars Blue: Price up - Volume > 1 x STD of last 21 bars Maroon: Price down - Volume > 2 x STD of last 21 bars Purple: Price down - Volume > 1 x STD of last 21 bars Grey: not high volume bar Green line: 2 bar sma Red line: 8 period sma of the greenline Bollinger band: 55 period sma of the 21 period sma with bands 1.618 deviation from the mean