Nvidia's fiscal year ends on the last Sunday in January. For example, fiscal year 2025 ended on January 26, 2025.
The inventory turnover for fiscal years 2021 through 2025 is based on annual financial reports. The turnover saw a dip in FY2023 but has since recovered.
The figure for fiscal year 2026 is an estimate based on the latest trailing twelve months (TTM) data, as the fiscal year is ongoing.