比较911以前的年份和此后,结论是这天没有特别的大涨. 2001以前的几年平均涨0.68%, 2001后涨0.37%. 以下数据是SPY.
| Date | Open | High | Low | Close | Volume | Adj Close | Close diff | Diff % | Diff % | avg |
| 9/11/1995 | 57.64 | 57.81 | 57.64 | 57.7 | 260700 | 42.14 | #VALUE! | #VALUE! | 0.26% | |
| 9/11/1996 | 66.56 | 67.12 | 66.41 | 67.06 | 713500 | 49.98 | 7.84 | 18.60% | 0.56% | |
| 9/11/1997 | 91.78 | 91.91 | 90.25 | 91.19 | 7055900 | 68.81 | 18.83 | 37.68% | -0.51% | |
| 9/11/1998 | 98.19 | 101.69 | 97 | 101.69 | 20379800 | 77.78 | 8.97 | 13.04% | 3.24% | |
| 9/11/2000 | 149.75 | 151.19 | 148.69 | 149.59 | 3937500 | 116.94 | 39.16 | 50.35% | -0.15% | 0.68% |
| 9/11/2002 | 92.47 | 93.33 | 91.1 | 91.13 | 27711200 | 72.99 | -43.95 | -37.58% | -0.61% | |
| 9/11/2003 | 102.1 | 102.76 | 101.84 | 102.26 | 38396300 | 83.31 | 10.32 | 14.14% | 0.30% | |
| 9/11/2006 | 129.86 | 130.69 | 129.48 | 130.41 | 68496600 | 112.06 | 28.75 | 34.51% | 0.10% | |
| 9/11/2007 | 146.24 | 147.7 | 146.13 | 147.49 | 1.62E+08 | 129.07 | 17.01 | 15.18% | 1.17% | |
| 9/11/2008 | 122.12 | 125.74 | 121.6 | 125.51 | 3.75E+08 | 112.05 | -17.02 | -13.19% | 1.45% | |
| 9/11/2009 | 104.99 | 105.3 | 104.28 | 104.77 | 1.52E+08 | 96.06 | -15.99 | -14.27% | -0.01% | |
| 9/11/2012 | 143.6 | 144.37 | 143.56 | 143.91 | 88760000 | 140.08 | 44.02 | 45.83% | 0.28% | |
| 9/11/2013 | 168.64 | 169.4 | 168.35 | 169.4 | 94545900 | 168.58 | 28.5 | 20.35% | 0.32% | 0.37% |
