Unusual price movements and significant market activity for The Cigna Group (CI). Each move is flagged by Z-score statistical significance — showing when CI moved beyond its typical daily range. 1 significant move detected in the last 30 days.
Current Market State
What May Be Driving CI?
No specific catalyst has been identified in the available market data for The Cigna Group (CI). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning CI 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.
The Cigna Group operates in the Healthcare sector, specifically Healthcare Plans. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Aug 4, 2026 | Regular | $273.48 | -3.04% | -2.03 | — |
About CI Market Moves
This page tracks unusual market activity for The Cigna Group (CI) 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 CI'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.