Pre-market price movements and significant market activity for Stanley Black & Decker, Inc. ($SWK). Each move is flagged by Z-score statistical significance — showing when $SWK moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving SWK?
SWK rose 3.99% on low volume, supported by positive sentiment from CEO comments on margin gains and DEWALT market share.
Stanley Black & Decker, Inc. operates in the Industrials sector, specifically Cutlery, Handtools & General Hardware. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Sep 22, 2026 | Regular | $91.92 | +3.65% | 2.87 | 0.5× |
| Sep 22, 2026 | After-hours | $92.13 | +3.89% | 3.04 | 0.9× |
| Sep 10, 2026 | Regular | $88.82 | -3.12% | -2.08 | — |
About SWK Premarket Movers
This page tracks unusual market activity for Stanley Black & Decker, Inc. (SWK) 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 SWK'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.