Pre-market price movements and significant market activity for Illinois Tool Works Inc. ($ITW). Each move is flagged by Z-score statistical significance — showing when $ITW moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving ITW?
ITW fell 2.21% amid broader Dividend Aristocrat underperformance and heavy selling volume.
Illinois Tool Works Inc. operates in the Industrials sector, specifically General Industrial Machinery & Equipment. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Sep 29, 2026 | Regular | $267.77 | -2.21% | -2.50 | 1.4× |
| Sep 11, 2026 | Regular | $268.63 | +1.29% | 2.15 | 0.6× |
| Sep 11, 2026 | After-hours | $268.32 | +1.18% | 2.01 | 0.7× |
About ITW Premarket Movers
This page tracks unusual market activity for Illinois Tool Works Inc. (ITW) 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 ITW'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.