As of Q4'25, AXP's EV/EBITDA ratio has surged to 69.38, marking a dramatic increase from previous quarters. This latest data point represents a significant spike compared to the Q3'25 value of 16.00, indicating a sharp change in valuation relative to earnings. From Q1'23 to Q3'25, the EV/EBITDA ratio generally fluctuated between 9.32 and 16.00, showing moderate volatility but remaining within a typical valuation range for the sector. However, the abrupt jump in Q4'25 stands out as an exceptional outlier, suggesting either a major shift in enterprise value, a drop in EBITDA, or a one-time event impacting the metric. This sharp increase warrants further investigation, as it deviates substantially from the historical trend observed over the nearly three-year period.