As of Q4'25, ACHR's P/E Ratio stands at -6.21, reflecting a negative earnings environment for the company at the latest data point. This value marks a notable improvement from the previous quarter's low of -9.22, but remains significantly below zero, indicating continued unprofitability. Over the period from Q1'23 to Q4'25, the P/E Ratio has exhibited a generally declining trend, moving from -1.58 in Q1'23 to a trough of -10.04 in Q2'25 before partially recovering. The data shows increased volatility and deepening negative values throughout 2024 and into 2025, suggesting mounting losses, with a slight reversal in the final quarter of the observed period.