The latest data point for ONTO's EPS Diluted in Q1'26 stands at 0.67 USD, reflecting a moderate recovery from the sharp decline in the prior quarter but remaining below the peak levels observed earlier in the fiscal year. This value indicates ongoing volatility in earnings performance, with the year-over-year growth rate at -48.5%, underscoring persistent challenges in sustaining profitability momentum. Over the period from Q2'23 to Q1'26, EPS Diluted exhibited an overall upward trend initially, rising from 0.53 USD to a high of 1.3 USD in Q1'25, driven by strong quarterly gains such as the 102% YoY growth in Q2'24. However, the trajectory reversed sharply post-Q1'25, with EPS dropping to a low of 0.21 USD in Q4'25 amid negative YoY growth rates exceeding -78%, highlighting potential sector headwinds or operational pressures; the bar chart visualization emphasizes these fluctuations, while the overlaid line chart for EPS Growth (YoY) reveals alternating periods of expansion and contraction, averaging around 0% growth in recent quarters.