I’ve discussed before how the 1st day of the month tends to have a bullish bias. This has been the case since the late 80s. (Perhaps due to the rise in popularity of the 401k.) In July 2009 I looked back to 1987 and broke down the 1st day returns by month.
For whatever reason, the 1st trading day of November has shown a positive bias for a bit longer than most months. Below are the results looking back to 1978.
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I have traded professionally since 2001. From January 2003 through February 2007 my bi-weekly column "Rob Hanna's Putting It All Together" appeared on TradingMarkets.com. I have been conducting quantitative research and designing trading systems - mostly focused on short-term edges since 2004.
Rob Hanna
