Unusual price movements and significant market activity for Vertex Pharmaceuticals Inc (VRTX). Each move is flagged by Z-score statistical significance — showing when VRTX moved beyond its typical daily range. 1 significant move detected in the last 30 days.
Current Market State
What May Be Driving VRTX?
No specific catalyst has been identified in the available market data for Vertex Pharmaceuticals Inc (VRTX). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning VRTX moved beyond its typical daily range. A catalyst may exist — such as earnings, analyst action, sector momentum, or news — but has not yet been tagged to this ticker.
Vertex Pharmaceuticals Inc operates in the Healthcare sector, specifically Biotechnology. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Aug 10, 2026 | Pre-market | $533.20 | +7.48% | 4.99 | — |
About VRTX Market Moves
This page tracks unusual market activity for Vertex Pharmaceuticals Inc (VRTX) 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 VRTX'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.