Pre-market price movements and significant market activity for Genuine Parts Company ($GPC). Each move is flagged by Z-score statistical significance — showing when $GPC moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving GPC?
GPC rose 2.94% as investors reacted to strategic plans and leadership preparations for its upcoming Motion spinoff.
Genuine Parts Company operates in the Industrials sector, specifically Wholesale-Motor Vehicle Supplies & New Parts. 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 | $130.03 | +2.83% | 2.49 | 0.4× |
| Sep 22, 2026 | After-hours | $129.59 | +2.48% | 2.22 | 0.8× |
| Sep 21, 2026 | After-hours | $120.52 | -5.91% | -4.51 | 0.9× |
About GPC Premarket Movers
This page tracks unusual market activity for Genuine Parts Company (GPC) 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 GPC'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.