Onterris (NYSE:ONT) Misses Q2 CY2026 Revenue Estimates, Stock Drops 17.5%
Onterris (NYSE:ONT) reported Q2 CY2026 revenue of $186.7 million, down 20.4% year on year, missing analysts’ estimates. The company’s full-year revenue guidance midpoint was $765 million, 10.9% below consensus. Non-GAAP EPS was $0.51, above estimates, and the stock fell 17.5% to $18.73 after results.
How this was made

The 30-second read
Why it matters
Q2 revenue fell 20.4% YoY to $186.7M and full-year revenue guidance of $765M midpoint came 10.9% below analysts, outweighing an adjusted EPS beat.
Market read
Traders are likely repricing Onterris’s revenue trajectory and guidance credibility after a revenue miss and below-consensus full-year revenue midpoint.
What to watch
The article notes non-GAAP profit strength and EPS inflection, but it does not quantify backlog, contract wins, or cash flow, which could explain the revenue decline.
Background
Onterris provides air quality monitoring, environmental laboratory testing, compliance, and environmental consulting services.
Ticker impact
Onterris missed Q2 CY2026 revenue expectations and guided full-year revenue to $765M midpoint, 10.9% below analysts.
Bearish near-term bias; traders may fade rallies until guidance credibility improves.
The article provides specific, time-sensitive datapoints: Q2 revenue down 20.4% YoY to $186.7M, full-year revenue guidance $765M midpoint (10.9% below estimates), and an immediate 17.5% post-results decline.
Market effects
Weak revenue guidance from an environmental services provider can pressure sentiment for similarly sized, margin-sensitive industrial services names.
No specific regional spillover is described beyond the single-name move.
No global macro or cross-border catalyst is cited.
Counterpoint
Adjusted EPS beat consensus ($0.51 vs estimates) and management guided EPS growth, suggesting the market may be over-penalizing revenue softness.
Key entities
- public_companyOnterris
Environmental services provider reporting Q2 CY2026 results and full-year revenue guidance.
- market_participantsWall Street analysts
Consensus estimates referenced for Q2 revenue and full-year revenue guidance comparisons.