Quote from syswizard:
http://www.robertwcolby.com/RelativeAdvantage.html
As you can see, it appears that the "simpler-the-better" rule applies here. Note the horrible performance of put-call ratios and public short ratios, and other "sophisticated" measurements and statistics.
Quote from sbn:
What are the best technical indicators? for daily trading or prop. trading? Which give an accurate description of where the market is going?