The Projection Bandwidth was created by Mel Widner (Stocks and Commodities Jul 1995) and this is another of my series of indicators that I consider undiscovered gems. For those of you who are unaware, the Bandwidth indicator measures the distance between the high and low bands and if you remember from my Projection Bands
script, the Projection Bands give pretty accurate early signals of trend reversals and followed fairly closely by a large bulge in the bands. The large bulges in the bands essentially act as the confirmation that the trend reversal is happening and so that brings me to this indicator. This indicator gives signals based on if it has reached a peak or a valley. Both extremes mean that the current trend is ending and I have color coded it based on the buy and sell signals from my Projection Bands indicator. I have included strong buy and sell signals in addition to normal ones so strong signals are darker in color and normal signals are lighter in color. Buy when the line turns green and sell when it turns red.
Let me know if there are any other scripts or indicators you would like to see me publish!