As of Q4'25, RKLB's P/E Ratio stands at -188.67, marking a significant deterioration from previous quarters. This latest data point reflects a sharp decline compared to -140.27 in Q3'25 and -91.62 in Q2'25, indicating accelerating negative earnings relative to the company's share price. From Q1'23 to Q4'25, the P/E Ratio for RKLB has exhibited a volatile but overall downward trend, moving from -12.18 in Q1'23 to -188.67 in Q4'25. The metric remained relatively stable and less negative through 2023 and early 2024, but began to decline rapidly starting in Q3'24, with particularly steep drops observed in the last three reported quarters. This pattern suggests mounting financial challenges and increasing losses for the company over the covered period.