Glaukos (GKOS) Stock Surges After Massive Earnings Beat
Glaukos (GKOS) stock surged 32.57% on October 29, 2026, after reporting Q3 revenue of $211M (vs. $168M expected) and adjusted EPS of $0.47 (vs. projected loss). The company raised its 2026 revenue guidance to $775M–$785M and 2027 to $1.0B. Positive clinical data for iDose TR and Epioxa, along with a retinal deal, supported the rally. GKOS closed at $240.52, up from $181.43 the prior day. Analysts raised price targets, with BTIG at $205 and Mizuho at $190.
How this was made

The 30-second read
Why it matters
The earnings surprise is likely to attract short‑term buying, but investors should monitor margin trends and policy risk.
Market read
A mid‑cap biotech with a large intraday move; earnings beat provides fresh trading impetus.
What to watch
Potential reimbursement pressure from policy changes and the need for sustained clinical data to support long‑term growth.
Background
Glaukos (GKOS) posted a strong Q3 earnings beat, raising revenue guidance and highlighting positive trial data for iDose TR and Epioxa.
Ticker impact
Glaukos reported Q3 earnings that beat expectations with $211M revenue and $0.47 EPS, driving a 32.6% stock surge.
upward bias as traders price in the earnings surprise and raised guidance
The surprise earnings and guidance reset expectations, and the stock already jumped 14% post‑print, indicating momentum.
Market effects
Biotech/ophthalmology sector may see broader rally on the earnings beat.
U.S. market gains from the surprise earnings in a Nasdaq‑listed medtech name.
Limited to investors focused on U.S. biotech and ophthalmology stocks.
Counterpoint
The stock may be overbought after a rapid 30% move; valuation remains stretched and margins are still negative.
Key entities
- companyGlaukos Corporation
U.S.-listed ophthalmology biotech that reported the earnings beat.
- analystBTG
BTIG raised its price target on GKOS following the earnings.


