Since 1986, Apple is down an average 3.4 percent in September versus the Nasdaq Composite, which is down an average of 0.2 percent and the S&P 500 which is down 0.8 percent on average.
September is 1 of just 2 months that Apple has averaged a decline in the last 26 years.
Here are the monthly stats Robert provided to me:
Avg. Performance for Apple:
September -3.37%
June -2.16%
December 0.71%
May 1.35%
February 2.47%
November 2.54%
July 3.59%
April 3.63%
March 4.32%
August 5.53%
October 5.82%
January 6.36%
There’s plenty of reason besides this to think September could be volatile for Apple: there is all sorts of talk that the iPhone 5 might be delayed by parts shortages. (Read more: iPad Mini 'Would Kill Most' 7-Inch Rivals)
—By CNBC’s Bob Pisani
_____________________________
Bookmark CNBC Data Pages:
_____________________________
Want updates whenever a Trader Talk blog is filed? Follow me on Twitter: twitter.com/BobPisani.
Questions? Comments? tradertalk@cnbc.com