Unusual price movements and significant market activity for Erie Indemnity Co (ERIE). Each move is flagged by Z-score statistical significance — showing when ERIE moved beyond its typical daily range. 2 significant moves detected in the last 30 days.
Current Market State
What May Be Driving ERIE?
No specific catalyst has been identified in the available market data for Erie Indemnity Co (ERIE). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning ERIE 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.
Erie Indemnity Co operates in the Financial Services sector, specifically Insurance Agents, Brokers & Service. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Aug 25, 2026 | Regular | $259.18 | -3.52% | -2.35 | — |
| Aug 25, 2026 | After-hours | $258.82 | -3.65% | -2.44 | — |
About ERIE Market Moves
This page tracks unusual market activity for Erie Indemnity Co (ERIE) 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 ERIE'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.