As of Q4'25 (2026-01-03), ONTO reported an EPS of 0.21 USD, representing a significant decline from previous quarters. The year-over-year EPS growth for this period was -78.8%, marking the sharpest contraction within the charted timeframe. From Q1'23 to Q4'25, ONTO's EPS exhibited notable volatility, with periods of both strong growth and steep declines. After a weak 2023 characterized by negative EPS growth, the company saw a robust recovery throughout 2024, peaking at 1.3 USD in Q1'25. However, this upward momentum reversed sharply in the latter half of 2025, with EPS dropping to 0.21 USD by Q4'25 and YoY growth turning deeply negative, indicating increased earnings pressure and potential operational challenges.