Pre-market price movements and significant market activity for Canadian Imperial Bank of Commerce ($CM). Each move is flagged by Z-score statistical significance — showing when $CM moved beyond its typical daily range. 4 significant moves detected in the last 30 days.
Current Market State
What May Be Driving CM?
CM dropped 2.90% despite lacking negative news, driven by broader sector weakness on low trading volume.
Canadian Imperial Bank of Commerce operates in the Financial Services sector. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Oct 7, 2026 | Regular | $108.42 | -2.85% | -2.45 | 0.3× |
| Oct 7, 2026 | After-hours | $108.33 | -2.92% | -2.52 | 0.7× |
| Sep 23, 2026 | Regular | $111.49 | -2.85% | -2.14 | 0.4× |
| Sep 23, 2026 | After-hours | $111.45 | -2.88% | -2.17 | 0.7× |
About CM Premarket Movers
This page tracks unusual market activity for Canadian Imperial Bank of Commerce (CM) across all trading sessions — pre-market (4:00 AM–9:30 AM ET), regular hours (9:30 AM–4:00 PM ET), and after-hours (4:00 PM–8:00 PM ET). A move is flagged as "unusual" when its Z-score reaches 2 or higher, meaning the price change is statistically significant relative to CM's recent daily volatility.
Z-score is calculated by comparing each move to the 20-day average return and standard deviation. A Z-score of 2.0 means the move is 2 standard deviations beyond the average — occurring in roughly the top 5% of daily moves. Relative volume (RVOL) compares current volume to the 20-day average volume at the same time of day, helping distinguish genuine institutional activity from noise.