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

Showing Closing Date Range from Oct 19 to Oct 26, 2026 compared to Oct 11 to Oct 18, 2026.

Compare Last 7 Days with Previous Period

Current Period Close
$2.21
Oct 19, 2026 - Oct 26, 2026
Previous Period Close
$2.47
Oct 11, 2026 - Oct 18, 2026
Net Comparison Delta
$-0.26 (-10.53%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 26, 2026$2.21---
Oct 23, 2026$2.24Oct 16, 2026$2.47-9.31%
Oct 22, 2026$2.27Oct 15, 2026$2.71-16.24%
Oct 21, 2026$2.40Oct 14, 2026$2.66-9.77%
Oct 20, 2026$2.43Oct 13, 2026$2.89-15.92%
Oct 19, 2026$2.41Oct 12, 2026$2.82-14.54%