Unusual price movements and significant market activity for Bank of America Corporation (BAC). Each move is flagged by Z-score statistical significance — showing when BAC moved beyond its typical daily range.
Current Market State
What May Be Driving BAC?
No specific catalyst has been identified in the available market data for Bank of America Corporation (BAC). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning BAC 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.
Bank of America Corporation operates in the Financial Services sector, specifically Banks. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
No significant unusual moves detected for BAC in the last 30 days. This ticker has been trading within its typical statistical range.
About BAC Market Moves
This page tracks unusual market activity for Bank of America Corporation (BAC) 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 BAC'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.