Now Live: Cboe Europe real-time data for all major European stocks.
opens in 1d 5h 32m
Market closed

Pre-market opens in 1 day 2 minutes
Main market opens in 1 day 5 hours 32 minutes

03:57
00:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
3.98000 USD
0.43
9.75%
Last update Apr 2, 3:59 PM EDT
Market closed
Day range
3.87000
4.60000
Previous close
4.41000
Open
4.45000
Access this stock data via API
Subscribe
Quantum BioPharma Ltd.
3.98
0.43
9.75%

Historical data

Prices

Date Open High Low Close % Change Volume
Apr 02, 2026 4.45 4.60 3.87 3.98 -10.56% 443800
Apr 01, 2026 5.08 6.21 4.40 4.41 -13.19% 1158100
Mar 31, 2026 4.22 4.86 3.81 4.83 14.45% 415000
Mar 30, 2026 5.05 6.47 3.95 4.28 -15.25% 2256000
Mar 27, 2026 3.71 4.98 3.51 4.77 28.57% 463500
Mar 26, 2026 4.20 4.41 3.60 3.83 -8.81% 281100
Mar 25, 2026 4.77 5.65 4.21 4.35 -8.81% 1172600
Mar 24, 2026 3.04 4.83 3.01 4.73 55.59% 2943000
Mar 23, 2026 2.21 3.35 2.18 3.10 40.27% 1408600
Mar 20, 2026 2.32 2.38 2.20 2.24 -3.45% 73100
Mar 19, 2026 2.31 2.40 2.31 2.36 2.16% 43000
Mar 18, 2026 2.37 2.46 2.33 2.40 1.27% 72300
Mar 17, 2026 2.41 2.42 2.28 2.40 -0.62% 78000
Mar 16, 2026 2.47 2.48 2.32 2.36 -4.45% 178800
Mar 13, 2026 2.47 2.61 2.35 2.48 0.40% 278600
Mar 12, 2026 2.23 3.20 2.11 2.56 14.80% 3184900
Mar 11, 2026 2.94 3.05 2.07 2.10 -28.57% 822900
Mar 10, 2026 3.36 3.51 2.80 2.80 -16.67% 340600
Mar 09, 2026 3.40 3.48 3.32 3.36 -1.18% 37400
Mar 06, 2026 3.53 3.75 3.45 3.50 -0.85% 53700
Mar 05, 2026 3.80 3.80 3.53 3.59 -5.53% 28500
Access /time_series data via our API — starting from the Basic plan and above.
Market closed

Pre-market opens in 1 day 2 minutes
Main market opens in 1 day 5 hours 32 minutes

03:57
00:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).