The Waxman Dual-70 Short Term Trading System and the Advanced Dual-70 Intermediate Term Trading Systems, Report #6
by Gerald Appel
Book Description: Scientific Investment Systems, Inc., Toronto, 1982. Soft cover. Book Condition: Very Good. 4to - over 9¾ - 12" tall. Softcover, Saddle Stitch, Tan wrappers with black title to cover. Book Condition: Very Good, corners gently bumped, covers gently rubbed, internally clean and free of marks. No dust jacket. This is report #6 in a series of Trading Systems that Gerald Appel (Inventor of MACD), published to subscribers of his service in the early 1980s. This Trading System is based on the "Dual-70" Trading System developed by Irving Waxman of R.F. Lafferty & Co., New York, NY. Contents: (taken from the introduction). "The Scientific Investment Systems Research Group is very pleased to present in this report, the basic and two advanced versions of the Dual-70 Trading System, as fine a combination of a short and intermediate trading system as we have ever seen. We'll leave the judgments to you. It should not take you too long to assimilate the operating rules and the results of this system." -- Includes numerous charts, tables and the results of 10 years of back-testing. VERY SCARCE title. 23 pages. Collectible.
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