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Oct 4, 2016 at 18:09 comment added drobertson Umm, anything not random implies some form of arbitrage. Worse than random would be wonderful. Unless of course, the market is actually a malevolent beast looking to analyze what you do and specifically inflict pain on any choice you make. In that case, a lot of people whom I dismiss as paranoid would actually be right.
Sep 18, 2011 at 14:53 comment added Vishal Belsare Worse than random . . . hmm . . . worth shorting? :p
Sep 16, 2011 at 6:21 history edited NPE CC BY-SA 3.0
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Sep 15, 2011 at 22:28 comment added Tal Fishman Another good reference which has been mentioned in the previous questions. On head-and-shoulders, Aronson writes "in a word, the pattern hailed as a cornerstone of charting is a bust." Trading based on head-and-shoulders proved to be worse than random. Aronson also cites the paper by Lo et al in that section.
Sep 15, 2011 at 22:22 history answered NPE CC BY-SA 3.0