Rocket Lab Shares Fall 43% From June Highs Following Valuation Concerns

Rocket Lab shares have declined 43% from their June 2026 peak. This downturn aligns with prior analyst warnings regarding the company's valuation metrics. While the aerospace firm has demonstrated revenue growth, market participants are increasingly focused on the disparity between its current share price and long-term earnings potential.

As of October 8, 2026, Rocket Lab (RKLB) was trading at $69.25, reflecting a 3.71% decline for the session. This follows a broader slide from the stock's June 2026 high of $123.32 to $70.46 by early October.

Valuation and Market Estimates

Despite the recent sell-off, financial models suggest the stock may remain elevated relative to fundamental benchmarks. InvestingPro's updated Fair Value estimate for Rocket Lab currently sits at $34.67. This figure implies that the equity remains overvalued by roughly 51% even at the reduced price of approximately $70.

Financial Performance vs. Profitability

Rocket Lab has reported revenue of $769.1 million, signaling growth in its space systems and launch services segments. However, the company continues to operate at a loss, recording an EBITDA loss of $164.8 million.

For investors, the central tension lies in the company's ability to transition from high-growth capital expenditure to sustainable profitability. The current market valuation reflects a premium associated with the speculative aerospace sector, where high revenue multiples are applied to firms with future potential despite negative current cash flows.

Understanding EBITDA and Valuation

EBITDA, which stands for earnings before interest, taxes, depreciation, and amortization, is a common metric used to gauge a company's operational profitability by stripping away financing and accounting decisions. For firms like Rocket Lab, which require heavy investment in launch infrastructure and satellite manufacturing, a negative EBITDA is a standard indicator of the high costs required to scale operations.

Valuation models like the one provided by InvestingPro typically use discounted cash flow analysis or peer-based multiples to arrive at a "Fair Value." When a stock trades significantly above this estimate, it suggests that the market is pricing in aggressive future growth or technological breakthroughs that have not yet materialized in the company’s bottom-line financials.