Costco Wholesale's Interest & Investment Income rose 544.22% to $155.0 million in Q4 2025 from the same period last year, while for Nov 2025 it was $597.0 million, marking a year-over-year decrease of 229.13%. This contributed to the annual value of $589.0 million for FY2025, which is 560.9% down from last year.
Latest data reveals that Costco Wholesale reported Interest & Investment Income of $155.0 million as of Q4 2025, which was up 544.22% from $215.0 million recorded in Q3 2025.
Costco Wholesale's 5-year Interest & Investment Income high stood at $238.0 million for Q3 2023, and its period low was $19.0 million during Q1 2021.
Moreover, its 5-year median value for Interest & Investment Income was $117.0 million (2023), whereas its average is $111.0 million.
Data for Costco Wholesale's Interest & Investment Income shows a peak YoY increase of 85555.56% (in 2021) and a maximum YoY decrease of 5777.78% (in 2021) over the last 5 years.
Over the past 5 years, Costco Wholesale's Interest & Investment Income (Quarter) stood at $42.0 million in 2021, then increased by 26.19% to $53.0 million in 2022, then skyrocketed by 201.89% to $160.0 million in 2023, then fell by 8.12% to $147.0 million in 2024, then rose by 5.44% to $155.0 million in 2025.
Its Interest & Investment Income stands at $155.0 million for Q4 2025, versus $215.0 million for Q3 2025 and $85.0 million for Q2 2025.

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