What are some trading strategies for stocks (just stocks, no derivatives) using freely available online data sources?
closed as off topic by Joshua Ulrich, chrisaycock, Dirk Eddelbuettel, Shane, Joel Spolsky♦ Feb 8 '11 at 19:40
Questions on Quantitative Finance Stack Exchange are expected to relate to quantitative finance within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here. If this question can be reworded to fit the rules in the help center, please edit the question.
There are two broad categories of trading strategies.
- Momentum strategies(e.g trend following)
- Mean reversion strategies.
Elder's book outlines the major ones: http://www.amazon.com/Trading-Living-Psychology-Tactics-Management/dp/0471592242
And the depressing truth about most of these strategies is outlined by Aronson: http://www.amazon.com/Evidence-Based-Technical-Analysis-Scientific-Statistical/dp/0470008741/