Quantum Biopharma Ltd. Class B Subordinate Voting Shares (QNTM)
Showing Closing Date Range from Jul 25 to Oct 23, 2026 compared to Apr 25 to Jul 24, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:quantumbiopharma.com/investors
Current Period Close
$2.24
Jul 25, 2026 - Oct 23, 2026
Previous Period Close
$2.99
Apr 25, 2026 - Jul 24, 2026
Net Comparison Delta
$-0.75 (-25.08%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(61 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $2.24 | Jul 23, 2026 | $2.84 | -21.13% |
| Oct 22, 2026 | $2.27 | Jul 22, 2026 | $2.85 | -20.35% |
| Oct 21, 2026 | $2.40 | Jul 21, 2026 | $3.02 | -20.53% |
| Oct 20, 2026 | $2.43 | Jul 20, 2026 | $3.04 | -20.07% |
| Oct 19, 2026 | $2.41 | Jul 17, 2026 | $3.24 | -25.62% |
| Oct 16, 2026 | $2.47 | Jul 16, 2026 | $3.37 | -26.71% |
| Oct 15, 2026 | $2.71 | Jul 15, 2026 | $3.40 | -20.29% |
| Oct 14, 2026 | $2.66 | Jul 14, 2026 | $3.49 | -23.78% |
| Oct 13, 2026 | $2.89 | Jul 13, 2026 | $3.53 | -18.13% |
| Oct 12, 2026 | $2.82 | Jul 10, 2026 | $3.31 | -14.80% |
| Oct 09, 2026 | $2.94 | Jul 09, 2026 | $3.41 | -13.78% |
| Oct 08, 2026 | $3.11 | Jul 08, 2026 | $3.27 | -4.89% |
| Oct 07, 2026 | $3.15 | Jul 07, 2026 | $3.32 | -5.27% |
| Oct 06, 2026 | $3.09 | Jul 06, 2026 | $3.44 | -10.17% |
| Oct 05, 2026 | $3.27 | Jul 02, 2026 | $3.51 | -6.84% |
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