A research filter, not a predictor — not financial advice. Grades rank growth stocks on evidence-based quality signals from end-of-day data; they are not buy/sell calls or price forecasts. Always do your own research.

Joby Aviation, Inc. JOBY

Weak (early) Emerging Frontier sector · Joby Aviation — electric air-taxi pioneer with Toyota backing, pre-commercial.

Key quality signals

Revenue growth (YoY)69873.9%

Gross margin11.2%

Gross profits / assets0

Rule of 4068856.9

Net margin-1017%

Cash runway (months)54.4

PEG—

P/S117.4

Risk flags

Burning cash — operating margin is negative.Thin gross margin — keeps little of each sales dollar (judge it against its industry).Heavy dilution (~23%/yr) — top-decile share issuers have historically underperformed.Hyper-expansion — assets up ~170% in a year; aggressive expanders have historically lagged.

Positive signals

Growth accelerating — revenue growth sped up ~69963 points year-on-year; acceleration is an early fundamental tell (annual data, so it's coarse).

Insider & analyst context

Insider 90-day: 0 cluster buyer(s), 8 seller(s). Insider selling is routine diversification, not a bearish signal.
Analyst mix: 0 strong-buy / 3 buy / 6 hold / 4 sell. Ratings are context, not a price target.

Similar Emerging Frontier names

Centrus Energy Corp.BigBear.ai Holdings, Inc.Kratos Defense & Security Solutions, Inc.Nano Nuclear Energy IncOuster, Inc.SoundHound AI, Inc.

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Data as of 2026-06-09 22:43 (end-of-day). How grades are computed →