Today's slide vs past chip slides
Philadelphia Semiconductor Index (SOX), from each slide's peak.

- Older slides are shown because the setup rhymes: a doubling, then a break, then a second leg lower. That happened in 2022 and in 2000.
- 2018 and 2024-25 bottomed at -26% and -40% after about 190-200 sessions. 2022 bottomed at -46% after about 200. 2000 kept falling for more than two years.
- Today's slide is 95 sessions old, about 49% of the way to where those slides found their lows. Depth is in range of 2018; time is not.
- Nuance: each of those slides had a different cause (2000: dot-com bust; 2022: rate hikes; 2024-25: AI digestion plus tariffs). The shape can rhyme while the ending differs.