Pre-market price movements and significant market activity for Zoom Communications, Inc. Class A Common Stock ($ZM). Each move is flagged by Z-score statistical significance — showing when $ZM moved beyond its typical daily range. 4 significant moves detected in the last 30 days.
Current Market State
What May Be Driving ZM?
Zoom shares declined 4.69% amid lingering concerns over stock valuation despite a strong 6.7% free cash flow yield.
Zoom Communications, Inc. Class A Common Stock operates in the Technology sector, specifically Services-Computer Programming, Data Processing, Etc.. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | RVOL |
|---|---|---|---|---|
| Oct 16, 2026 | Regular | $93.62 | -4.96% | 0.5× |
| Oct 16, 2026 | After-hours | $94.20 | -4.38% | 0.8× |
| Oct 14, 2026 | Regular | $94.83 | -3.39% | 0.9× |
| Oct 14, 2026 | After-hours | $93.74 | -4.50% | 1.2× |
About ZM Premarket Movers
This page tracks unusual market activity for Zoom Communications, Inc. Class A Common Stock (ZM) 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 ZM'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.