The latest data point for WMT's operating expenses in Q4'26 shows SG&A expenses at $38.33B, with R&D expenses remaining at no data, resulting in total operating expenses of $38.33B for the quarter. This reflects a stable but elevated cost level compared to prior periods. Over the period from Q1'24 to Q4'26, SG&A expenses exhibited a consistent upward trend, rising from $30.78B to $38.33B, with an average quarterly increase of approximately $0.6B, indicating growing operational costs likely driven by expansion or inflation. R&D expenses showed no data throughout, suggesting minimal or undisclosed investment in research and development; the stacked bar chart highlights SG&A as the dominant component, with no significant declines or volatility, though seasonal dips occurred in Q1 quarters.