The latest data point for RKLB's P/E Ratio in Q1'26 stands at -215.90, reflecting a substantial deepening of negative valuation amid ongoing unprofitability. This marks the most severe level in the observed period, indicating intensified investor skepticism toward the company's earnings trajectory. Over the timeframe from Q2'23 to Q1'26, the P/E Ratio has exhibited a consistent downward trend, starting from -19.71 in Q2'23 and progressively worsening to -215.90. Early quarters showed relative stability around -11 to -13 from Q1'24 to Q2'24, but a sharp inflection occurred in Q3'24 at -38.92, followed by accelerated deterioration, with values dropping below -50 by Q1'25 and exceeding -100 by Q2'25, underscoring mounting losses and valuation pressures in the aerospace sector.