Quote from tobbe:
It's a somewhat interesting but boring book.
The TA of cornixforex, nodoji and others can't easily be tested "the Aronson way" - something you would understand if you took some time to try to grok what they are all about, and if you had read the book.
In Aronsons own words (p 450): "Perhaps the biggest deficiency of the case study was the failure to consider complex rules. This is a severe defect for several reasons. First, few TA practitioners, subjective or objective, restrict themselves to decisions based on one rule. [...]. Second, complex rules should produce superior perfomance on difficult prediction problems, such as financial markets."
If you're serious about backtesting the book describes one approach and a mindset, and it's valuable to read. But it doesn't prove or disprove anything.