Mesa Air Group, Inc. (fka MESAQ)

[kairos]

Bollinger Bands

Developed by John Bollinger, Bollinger Bands are an indicator that allows users to compare volatility and relative price levels over a period of time. The indicator consists of three bands designed to encompass the majority of a security's price action.

1.A simple moving average in the middle
2.An upper band (SMA plus 2 standard deviations)
3.A lower band (SMA minus 2 standard deviations)


http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:bollinger_bands