Quote from atlTrader666:
Sure it's impossible for one man to test "every" TA strategy. But academics as a group have been studying the subject for half a century... why are there only such a few anomalies?
Eugene Fama's "Random Walk" is probably sensationalism of the financial markets system. Benoit Mandlebrot wrote how the market does not always act randomly... more importantly it wasn't as neat as coin-flip finance... price moves could be quick, sharp and sudden, defying bell-curve risk management tools (standard deviations, etc.). But Mandlebrot, a genius, said that the market still behaved too random to be able to consistently extract profits from it.
Ed Thorp was another academic. He was also a gambler and probably only second to James Simons as the best trader to come out of academia. He studied TA extensively but settled to trade mainly of arb opportunities... he actually invented convertible arbitrage.
Out of all big name HF managers I believe only Paul Tudor Jones is the guy that trades (or use to trade) off technicals. I know he was a big Elliot Wave guy in two decades ago. Has anyone seen that video of him essentially predicting the 1987 crash?
I would argue that TA (such as patterns, oscillators, indicators) has been studied rigorously and long enough for it to be disproved. If you have 1,000,000 traders of course x of them will make a killing off certain TA strategies. Does it mean they were skilled or lucky? People will always discover an edge in the markets for a short period of time... these strategies won't be exposed until they stop working.