As of Q3'26 (2025-12-31), ARM's P/E Ratio stands at 139.081, marking a continued decrease from the previous quarter's value of 204.58. This latest figure reflects a significant contraction in valuation multiples compared to earlier periods within the chart's timeframe. From Q4'23 (2023-03-31) to Q3'26 (2025-12-31), the P/E Ratio has exhibited high volatility, with a dramatic spike to 5.19K in Q4'23, followed by a sharp drop into negative territory in Q2'24, and subsequent recovery. After peaking again at 410.183 in Q4'24, the ratio has generally trended downward, indicating a normalization of valuation levels and potentially improved earnings performance or moderated investor expectations over the observed period.