Large buy/sell signals:
-long white crossing long yellow below 30 or above 70.
-General direction on long yellow
-used for more trend info and what trades to track aggressively and which to track conservatively.
Medium buy/sell signals:
-long white going below 10 or above 90
-long white crossing long green(these crosses can also serve as re-entry signals if they cross in the direction of long yellow)
-long white is a great general trend direction line
Main buy/sell signals
-BB 60/120 crosses at extreme levels(above 70/below 30)
-when trading with a clear trend, let trades ride to until long white gets above 70, then re-assess
-when trying to trade against the larger trend, look for the wiggle confirmation. Look for safe exit.