Complete drawdown events in the US AI and Technology sector (2005–2025)
| Event | Start date | Anchor date | Duration | Magnitude |
|---|---|---|---|---|
| PC Cycle Downturn | 2006-01-11 | 2006-07-14 | 184 | −21.03% |
| Global Financial Crisis Cluster (Onset: 2007-11-06) | ||||
| GFC: Acute Crisis Phase | 2007-11-06 | 2008-11-20 | 380 | −53.86% |
| GFC: Prolonged Recovery Decline | 2007-11-06 | 2010-02-04 | 821 | −14.31% |
| Flash Crash Aftermath Cluster (Onset: 2010-04-22) | ||||
| Flash Crash: Short-Term Trough | 2010-04-22 | 2010-06-09 | 48 | −14.95% |
| Flash Crash: Medium-Term Trough | 2010-04-22 | 2010-07-02 | 71 | −18.41% |
| Flash Crash: Extended Decline | 2010-04-22 | 2010-08-31 | 131 | −16.87% |
| US Debt Ceiling and Credit Downgrade | 2011-07-26 | 2011-08-19 | 24 | −15.93% |
| European Sovereign Debt Crisis | 2012-09-19 | 2012-11-15 | 57 | −14.45% |
| Oil Collapse and Emerging Market Stress | 2015-12-04 | 2016-02-09 | 67 | −16.89% |
| Fed Rate Hiking Cycle | 2018-10-01 | 2018-12-24 | 84 | −26.43% |
| COVID-19 Pandemic Shock | 2020-02-19 | 2020-03-16 | 26 | −27.71% |
| Profit-Taking After V-Recovery | 2020-09-02 | 2020-09-23 | 21 | −13.52% |
| Fed Tightening Cycle Cluster (Onset: 2021-12-27) | ||||
| Tightening: Sharp Selloff | 2021-12-27 | 2022-01-25 | 29 | −15.56% |
| Tightening: Extended Decline | 2021-12-27 | 2022-03-14 | 77 | −21.34% |
| Tightening: Recovery-Phase Bottom | 2021-12-27 | 2022-11-03 | 311 | −40.08% |
| Yen Carry Trade Unwinding | 2024-07-10 | 2024-08-07 | 28 | −16.42% |
| AI Bubble and DeepSeek Competition | 2024-12-24 | 2025-04-08 | 105 | −26.53% |
| Event | Start date | Anchor date | Duration | Magnitude |
|---|---|---|---|---|
| PC Cycle Downturn | 2006-01-11 | 2006-07-14 | 184 | −21.03% |
| GFC: Acute Crisis Phase | 2008-11-20 | 380 | −53.86% | |
| GFC: Prolonged Recovery Decline | 2010-02-04 | 821 | −14.31% | |
| Flash Crash: Short-Term Trough | 2010-06-09 | 48 | −14.95% | |
| Flash Crash: Medium-Term Trough | 2010-07-02 | 71 | −18.41% | |
| Flash Crash: Extended Decline | 2010-08-31 | 131 | −16.87% | |
| US Debt Ceiling and Credit Downgrade | 2011-07-26 | 2011-08-19 | 24 | −15.93% |
| European Sovereign Debt Crisis | 2012-09-19 | 2012-11-15 | 57 | −14.45% |
| Oil Collapse and Emerging Market Stress | 2015-12-04 | 2016-02-09 | 67 | −16.89% |
| Fed Rate Hiking Cycle | 2018-10-01 | 2018-12-24 | 84 | −26.43% |
| COVID-19 Pandemic Shock | 2020-02-19 | 2020-03-16 | 26 | −27.71% |
| Profit-Taking After V-Recovery | 2020-09-02 | 2020-09-23 | 21 | −13.52% |
| Tightening: Sharp Selloff | 2022-01-25 | 29 | −15.56% | |
| Tightening: Extended Decline | 2022-03-14 | 77 | −21.34% | |
| Tightening: Recovery-Phase Bottom | 2022-11-03 | 311 | −40.08% | |
| Yen Carry Trade Unwinding | 2024-07-10 | 2024-08-07 | 28 | −16.42% |
| AI Bubble and DeepSeek Competition | 2024-12-24 | 2025-04-08 | 105 | −26.53% |
Note(s): Magnitudes represent peak-to-trough declines. Events sharing identical start dates represent multiple anchor depths from protracted declines
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