Results of the pair trading experiment, week 1: Apple vs Google vs Microsoft

So far the proposed pair trading strategy looks promising.

As expected, Apple's stock price has started to decline, while Google's increased significantly and Microsoft's remained at the unchanged level.

It seems, there is still plenty of room for convergence:

link: http://stooq.com/q/?s=aapl.us&c=5m&t=l&a=lg&b=1&r=goog.us+msft.us

Current prices (Friday, June 4th):

• AAPL - $255.96 (-0.46% vs strategy start)
• GOOG - $498.78 (+8.86%)
• MSFT - $25.79 (-0.04%)

UPDATE 2010-06-08, 22:47: dynamic spreadsheet