Coretek Opto Corporation reported earnings results for the half year ended June 30, 2023. For the half year, the company reported sales was TWD 104.63 million compared to TWD 174.51 million a year ago. Net loss was TWD 20.92 million compared to TWD 15.72 million a year ago.

Basic loss per share from continuing operations was TWD 0.6 compared to TWD 0.44 a year ago.