The latest data point for OXY's revenue in Q4'25 shows a significant decline to $2.06B USD, marking the lowest quarterly figure in the observed period and a sharp drop from the previous quarter's $6.72B USD. Over the timeframe from Q1'23 to Q4'25, OXY's revenue exhibited volatility with an initial downward trend from a peak of $7.53B USD in Q4'23, stabilizing around $6-7B USD through Q3'25 before the abrupt Q4'25 plunge; year-over-year growth was predominantly negative, averaging -14.9% in early quarters and worsening to -69.9% in Q4'25, highlighting potential operational challenges or one-time factors impacting performance.