Quantum Biopharma Ltd. Class B Subordinate Voting Shares (QNTM)

Showing Closing Date Range from Apr 26 to Oct 23, 2026 compared to Oct 27, 2025 to Apr 25, 2026.

Compare Last 6 Months with Previous Period

Current Period Close
$2.24
Apr 26, 2026 - Oct 23, 2026
Previous Period Close
$3.61
Oct 27, 2025 - Apr 25, 2026
Net Comparison Delta
$-1.37 (-37.95%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(123 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 23, 2026$2.24Apr 23, 2026$3.21-30.22%
Oct 22, 2026$2.27Apr 22, 2026$3.35-32.24%
Oct 21, 2026$2.40Apr 21, 2026$3.44-30.23%
Oct 20, 2026$2.43Apr 20, 2026$3.12-22.12%
Oct 19, 2026$2.41Apr 17, 2026$3.12-22.76%
Oct 16, 2026$2.47Apr 16, 2026$3.17-22.08%
Oct 15, 2026$2.71Apr 15, 2026$3.07-11.73%
Oct 14, 2026$2.66Apr 14, 2026$3.02-11.92%
Oct 13, 2026$2.89Apr 13, 2026$3.36-13.86%
Oct 12, 2026$2.82Apr 10, 2026$3.53-20.00%
Oct 09, 2026$2.94Apr 09, 2026$3.27-10.09%
Oct 08, 2026$3.11Apr 08, 2026$3.68-15.49%
Oct 07, 2026$3.15Apr 07, 2026$3.88-18.94%
Oct 06, 2026$3.09Apr 06, 2026$3.58-13.69%
Oct 05, 2026$3.27Apr 02, 2026$3.98-17.84%
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