Quantum Biopharma Ltd. Class B Subordinate Voting Shares (QNTM)
Showing Closing Date Range from Oct 8 to Nov 5, 2026 compared to Sep 9 to Oct 7, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:quantumbiopharma.com/investors
Current Period Close
$2.11
Oct 08, 2026 - Nov 05, 2026
Previous Period Close
$3.15
Sep 09, 2026 - Oct 07, 2026
Net Comparison Delta
$-1.04 (-32.91%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 05, 2026 | $2.11 | - | - | - |
| Nov 04, 2026 | $2.21 | - | - | - |
| Nov 03, 2026 | $2.21 | - | - | - |
| Nov 02, 2026 | $2.26 | Oct 07, 2026 | $3.15 | -28.14% |
| Oct 30, 2026 | $2.38 | Oct 06, 2026 | $3.09 | -22.98% |
| Oct 29, 2026 | $2.44 | Oct 05, 2026 | $3.27 | -25.38% |
| Oct 28, 2026 | $2.37 | Oct 02, 2026 | $3.44 | -31.10% |
| Oct 27, 2026 | $2.32 | Sep 29, 2026 | $3.82 | -39.27% |
| Oct 26, 2026 | $2.21 | Sep 28, 2026 | $3.96 | -44.19% |
| Oct 23, 2026 | $2.24 | Sep 25, 2026 | $3.85 | -41.82% |
| Oct 22, 2026 | $2.27 | Sep 24, 2026 | $4.00 | -43.25% |
| Oct 21, 2026 | $2.40 | Sep 23, 2026 | $3.88 | -38.14% |
| Oct 20, 2026 | $2.43 | Sep 21, 2026 | $3.61 | -32.69% |
| Oct 19, 2026 | $2.41 | Sep 18, 2026 | $3.66 | -34.15% |
| Oct 16, 2026 | $2.47 | Sep 17, 2026 | $3.72 | -33.60% |
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