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To: Al Greenleaf who wrote (2759)	12/29/1997 10:11:00 AM
From: RICHARD LOCKIE	Read Replies (1) \| Respond to of 11149

AL: Thanks for the scan. I've written a breakout scan using the upper bollenger band breakout. I may try to use your scan as a further filter. Richard Lockie

To: Al Greenleaf who wrote (2759)	12/29/1997 11:00:00 AM
From: Clark Wang	Read Replies (3) \| Respond to of 11149

There is some danger using this approach. Bolliger said "A sharp move outside the bands followed by an immediate retracement of that move is a sign of exhaustion" in one issue of his Capital Growth Letter. I've not tried your formula, but I've back- tested the similar idea on B.B. breakout. The result is not good. I appreciate if you could back-test, say, all Nasdaq issues with price>5 and volume>100k. Then compare what percentage of the breakouts is false after 7 and 14 days. Thanks. Just my two cents. Regards.