Pre-market price movements and significant market activity for Corcept Therapeutics Inc. ($CORT). Each move is flagged by Z-score statistical significance — showing when $CORT moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving CORT?
No specific catalyst has been identified in the available market data for Corcept Therapeutics Inc. (CORT). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning CORT 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.
Corcept Therapeutics Inc. operates in the Healthcare sector, specifically Pharmaceutical Preparations. 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 | $118.19 | +3.90% | 2.09 | 0.2× |
| Sep 21, 2026 | Regular | $113.98 | +3.35% | 2.23 | — |
| Sep 21, 2026 | After-hours | $113.76 | +3.15% | 2.10 | — |
About CORT Premarket Movers
This page tracks unusual market activity for Corcept Therapeutics Inc. (CORT) 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 CORT'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.