The highest closing price for Quantum (QMCO) all-time was $5,728.49, on September 29, 1997. The latest price is $8.27.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 2025 | $7.74 | $8.08 | $7.45 | $8.08 | 1,125,126 |
July 2025 | $8.67 | $9.82 | $7.83 | $8.01 | 17,482,413 |
June 2025 | $11.77 | $12.53 | $7.25 | $9.97 | 34,043,576 |
May 2025 | $11.26 | $14.40 | $10.10 | $11.87 | 56,711,414 |
April 2025 | $14.73 | $15.30 | $9.59 | $10.80 | 12,317,182 |
March 2025 | $11.88 | $24.40 | $10.11 | $14.38 | 41,273,091 |
February 2025 | $21.05 | $25.46 | $11.21 | $11.79 | 22,054,613 |
January 2025 | $54.45 | $60.88 | $19.31 | $22.40 | 36,068,447 |
December 2024 | $17.33 | $90.64 | $11.05 | $53.92 | 89,989,773 |
November 2024 | $4.57 | $33.00 | $2.88 | $17.41 | 94,653,539 |
October 2024 | $3.47 | $5.85 | $3.22 | $4.31 | 960,069 |
September 2024 | $3.01 | $3.78 | $2.22 | $3.50 | 797,960 |
August 2024 | $7.51 | $7.69 | $2.95 | $3.08 | 1,504,916 |
July 2024 | $8.09 | $10.03 | $7.50 | $7.51 | 292,782 |
June 2024 | $9.55 | $17.00 | $6.38 | $8.18 | 807,039 |
May 2024 | $9.60 | $11.60 | $8.18 | $9.20 | 172,181 |
April 2024 | $11.82 | $12.40 | $7.41 | $9.53 | 225,916 |
March 2024 | $9.34 | $14.80 | $8.87 | $11.90 | 405,150 |
February 2024 | $7.77 | $18.00 | $7.04 | $9.66 | 951,750 |
January 2024 | $7.00 | $8.60 | $5.26 | $7.70 | 196,912 |
December 2023 | $5.81 | $7.82 | $4.80 | $6.98 | 606,909 |
November 2023 | $9.00 | $10.13 | $5.50 | $5.99 | 440,837 |
October 2023 | $12.40 | $14.16 | $8.20 | $8.90 | 236,256 |
September 2023 | $12.60 | $16.20 | $12.03 | $12.20 | 222,705 |
August 2023 | $22.80 | $23.40 | $11.60 | $12.40 | 609,467 |
Daily pricing data for Quantum dates back to 11/5/1984, and may be incomplete.
