Quantum (QMCO) Tax Rate (2010 - 2026)

Quantum's Tax Rate history runs 17 years deep, the most recent figure standing at 0.4% for Q1 2026.

• In Q1 2026, Tax Rate rose 152.0% year-over-year to 0.4%; the TTM figure through Mar 2026 stood at 1.01% (down 29.0% YoY), while the FY2026 annual figure was 1.01%, down 29.0% from the prior year.
• Tax Rate for Q1 2026 stood at 0.4%, up from 2.16% in the prior quarter.
• The five-year high for Tax Rate was 85.98% in Q4 2022, with the low at 87.42% in Q2 2022.
• The 5-year median for Tax Rate is 1.92% (2025), against an average of 2.9%.
• The sharpest annual moves came in 2022 and 2023: Tax Rate soared 9877 bps in 2022, then sank 9143 bps in 2023.
• Quantum's Tax Rate stood at 85.98% in 2022, then tumbled by 106 bps to 5.45% in 2023, then jumped by 98 bps to 0.09% in 2024, then tumbled by 2227 bps to 2.16% in 2025, then jumped by 82 bps to 0.4% in 2026.
• Business Quant data shows QMCO's Tax Rate at 0.4% in Q1 2026, 2.16% in Q4 2025, and 0.34% in Q3 2025.