Glaukos (GKOS) Reports Q3 Loss, Tops Revenue Estimates Posted byZacks Equity Research November 4, 2021 Leave a comment on Glaukos (GKOS) Reports Q3 Loss, Tops Revenue Estimates Glaukos (GKOS) delivered earnings and revenue surprises of 17.39% and 3.73%, respectively, for the quarter ended September 2021. Do the numbers hold clues to what lies ahead for the stock?