DIA's biggest one-day moves since 2006, and what happened next
Describes the past; not a signal. Pre-licensed data — internal estimates, to be re-verified after our licensed data rebuild.
Close-to-close daily changes from 10 Apr 2006 to 4 Nov 2026 (3408 sessions). Later changes are measured from the close on the day of the move.
1 one-day changes above ±100% are withheld for price review.
Biggest one-day falls
Of these 10, 8 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 15 Oct 2008 | -9.4% | +0.9% | +4.7% | -2.3% |
| 1 Dec 2008 | -7.5% | +9.1% | +7.5% | -15.0% |
| 9 Oct 2008 | -6.4% | +5.0% | +5.5% | +1.6% |
| 29 Sep 2008 | -5.8% | -4.6% | -12.8% | -18.2% |
| 24 Oct 2008 | -5.6% | +12.5% | +1.4% | -1.0% |
| 4 Apr 2025 | -5.4% | +4.9% | +6.5% | +15.4% |
| 8 Aug 2011 | -5.4% | +6.2% | +5.8% | +11.5% |
| 22 Oct 2008 | -5.4% | +4.3% | -11.0% | -4.9% |
| 20 Nov 2008 | -5.4% | +16.6% | +12.6% | -2.1% |
| 6 Nov 2008 | -5.1% | +1.8% | +2.7% | -4.1% |
Biggest one-day rises
Of these 10, 5 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 28 Oct 2008 | +13.6% | +5.6% | -3.9% | -9.7% |
| 13 Oct 2008 | +13.5% | -1.7% | -8.6% | -10.3% |
| 9 Apr 2025 | +7.9% | -2.3% | +1.6% | +9.2% |
| 23 Mar 2009 | +6.9% | -3.2% | +1.5% | +8.0% |
| 13 Nov 2008 | +6.8% | -14.3% | -2.6% | -13.8% |
| 20 Oct 2008 | +6.6% | -14.0% | -9.6% | -11.0% |
| 21 Nov 2008 | +6.4% | +1.4% | +4.7% | -8.9% |
| 16 Oct 2008 | +5.9% | -1.9% | -6.1% | -7.0% |
| 10 Mar 2009 | +5.7% | +7.1% | +13.6% | +27.8% |
| 24 Nov 2008 | +4.2% | +0.5% | +1.0% | -13.5% |