You've go to like the last sentence..
Bollinger Bands
AVB.AX has closed above bottom band by 24.1%. Bollinger Bands are 43.2% narrower than normal. The narrow width of the bands suggests low volatility as compared to AVB.AX's normal range. The bands have been in this narrow range for 0 bars.
This is a sign that the market may be about to initiate a new trend.
http://au.stoxline.com/q_au.php?symbol=AVB&c=AX
Cheers
Sheeza