141.80 USD
↘ 0.77 (0.54%)PRE MARKET (AS OF 05:29 AM EDT)
GKOS Stock Premarket
Glaukos Corporation
GKOSNYSE • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
GKOS last traded at $141.80 in premarket, down $0.77 (0.54%) from its previous close of $142.57.
📅 GKOS is expected to report earnings around Jul 29, 2026 after the close (estimated), with an estimated EPS of $-0.21. GKOS earnings details →
GKOS Premarket Chart
GKOS Premarket News
Gap Analytics — 5-year history, 5% minimum gap
No qualifying gap events found for GKOS.
Frequently Asked Questions
What is GKOS's premarket price?
Glaukos (GKOS) is trading at $141.80 in premarket, down $0.77 (0.54%) from the previous close of $142.57.
Why is GKOS moving in premarket?
Glaukos (GKOS) is down 0.54% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest GKOS premarket headlines and gap history below for the likely catalyst.
When does GKOS premarket trading start?
Premarket trading for GKOS on the NYSE runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
When does GKOS report earnings?
GKOS is expected to report earnings around Jul 29, 2026 after the close (estimated), with an estimated EPS of $-0.21.