Apple is expected to take the wraps off a new iPhone and perhaps a smartwatch on Tuesday — and if the past is any guide, that'll be good news for investors.
Read MoreThis chart says Apple's in big trouble
In recent years Apple shares have averaged small gains the day of an iPhone introduction, one week later and two weeks later (though it has been less successful with iPad releases).
Product | Event Date | Day of | 1-Wk | 2-Wks | 1-Mos | 3-Mos | 6-Mos | 12-Mos |
---|---|---|---|---|---|---|---|---|
iPhone 5s/c | 9/17/2013 | 1.16 | 7.42 | 7.17 | 10.8 | 21.89 | 15.69 | 50.96 |
iPhone 5 | 9/12/2012 | 1.39 | 4.82 | -0.69 | -5.98 | -19.53 | -36.04 | -29.43 |
iPhone 4s | 10/4/2011 | -0.56 | 7.46 | 13.35 | 7.45 | 10.99 | 67.6 | 79.01 |
iPhone 4 | 6/7/2010 | -1.96 | 1.33 | 7.66 | 3.08 | 2.74 | 26.81 | 32.32 |
iPhone 3GS | 6/8/2009 | -0.57 | -5.39 | -4.5 | -4.61 | 20.22 | 31.99 | 73.33 |
iPhone 3G | 6/9/2008 | -2.17 | -2.63 | -4.65 | -4.05 | -16.48 | -44.9 | -21.41 |
iPhone | 1/9/2007 | 8.31 | 4.89 | -7.42 | -10.05 | 1.17 | 40.79 | 93.8 |
Avg. | 0.8 | 2.56 | 1.56 | -0.48 | 3 | 14.56 | 39.8 | |
iPad Air / iPad mini with Retina display | 10/22/2013 | -0.29 | -0.61 | 1.07 | -0.01 | 6.09 | 2.28 | 32.21 |
iPad (4th gen) / iPad mini | 10/23/2012 | -3.26 | -1.53 | -4.97 | -6.82 | -16.2 | -33.79 | -14.41 |
iPad with Retina Display | 3/7/2012 | 0.08 | 11.1 | 13.53 | 19.41 | 7.73 | 28.22 | -18.86 |
iPad 2 | 3/2/2011 | 0.8 | 0.1 | -6.28 | -2.15 | -1.71 | 6.23 | 54.83 |
iPad | 1/27/2010 | 0.94 | -4.16 | -6.14 | -1.57 | 26.05 | 27.03 | 65.1 |
Avg. | -0.34 | 0.98 | -0.56 | 1.77 | 4.39 | 5.99 | 23.77 |
—Analysis by CNBC's Giovanny Moreano. Follow him on Twitter @giovannymoreano.