Pre-market price movements and significant market activity for Millicom International Cellular S.A. Common Stock ($TIGO). Each move is flagged by Z-score statistical significance — showing when $TIGO moved beyond its typical daily range.
Current Market State
What May Be Driving TIGO?
+3.73% statistical outlier (Z: 2.54) driven by broader market sentiment without specific news catalyst.
Millicom International Cellular S.A. Common Stock operates in the Other sector. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
No significant unusual moves detected for TIGO in the last 30 days. This ticker has been trading within its typical statistical range.
About TIGO Premarket Movers
This page tracks unusual market activity for Millicom International Cellular S.A. Common Stock (TIGO) 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 TIGO'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.