Much of what I've written on this blog has been all about automated trading, but my flavor has to do with technical analysis patterns... those reflected by price and volume. The NYT article was all about automated scouring of publications for sentiment data, or words that might reflect fundamental changes.
There was recently a similar article in the Wall Street Journal about Twitter trading. The concept is quite similar in that traders use Twitter to gather fundamental or sentiment "tips" that might help them make the right call. At least one British based hedge fund even intends to use Twitter posts to guide them in investing their clients money.
All of this is fascinating, and it will be interesting to see how it all plays out. One question that remains is how these things would have performed historically. Since Twitter and many other electronic publications haven't been around that long it's hard to say how well they would have performed historically.
Good Trading...
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