Pre-market price movements and significant market activity for Teledyne Technologies Incorporated ($TDY). Each move is flagged by Z-score statistical significance — showing when $TDY moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving TDY?
TDY shares drifted lower by 1.75% on below-average volume despite recent positive space and defense product rollouts.
Teledyne Technologies Incorporated operates in the Technology sector, specifically Search, Detection, Navigation, Guidance, Aeronautical Sys. 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 | $604.22 | -2.89% | -4.33 | 0.7× |
| Oct 7, 2026 | After-hours | $604.15 | -2.90% | -4.34 | 1.1× |
| Sep 23, 2026 | Regular | $623.85 | +1.81% | 2.28 | 1.1× |
About TDY Premarket Movers
This page tracks unusual market activity for Teledyne Technologies Incorporated (TDY) 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 TDY'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.