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Pre-market opens in 3 days 4 hours 42 minutes
Main market opens in 3 days 10 hours 12 minutes

23:17
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
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Main market
09:30 - 16:00
Post-market
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All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
1.71000 USD
0.04
2.40%
Last update Apr 1, 3:57 PM EDT
Market closed
Day range
1.69000
1.71000
Previous close
1.67000
Open
1.69000
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Aptose Biosciences Inc.
1.71
0.04
2.40%

Historical data

Prices

Date Open High Low Close % Change Volume
Apr 01, 2026 1.69 1.71 1.69 1.71 1.18% 500
Mar 31, 2026 1.66 1.71 1.66 1.67 0.60% 28300
Mar 30, 2026 1.61 1.61 1.61 1.61 0 3
Mar 27, 2026 1.61 1.61 1.61 1.61 0 9300
Mar 26, 2026 1.61 1.64 1.60 1.64 1.86% 800
Mar 25, 2026 1.62 1.62 1.62 1.62 0 400
Mar 24, 2026 1.62 1.63 1.62 1.63 0.62% 3800
Mar 23, 2026 1.62 1.67 1.61 1.62 0 12300
Mar 20, 2026 1.62 1.63 1.61 1.61 -0.62% 11400
Mar 19, 2026 1.62 1.63 1.61 1.62 0 11100
Mar 18, 2026 1.63 1.64 1.62 1.64 0.61% 700
Mar 17, 2026 1.68 1.68 1.61 1.61 -4.17% 1800
Mar 16, 2026 1.60 1.64 1.60 1.64 2.50% 7700
Mar 13, 2026 1.58 1.58 1.58 1.58 0 300
Mar 12, 2026 1.58 1.58 1.58 1.58 0 300
Mar 11, 2026 1.57 1.59 1.57 1.59 1.27% 4000
Mar 10, 2026 1.57 1.63 1.57 1.57 0 13800
Mar 09, 2026 1.61 1.61 1.57 1.57 -2.48% 22100
Mar 06, 2026 1.60 1.70 1.60 1.61 0.63% 10200
Mar 05, 2026 1.57 1.57 1.57 1.57 0 1600
Mar 04, 2026 1.63 1.63 1.55 1.57 -3.68% 4800
Mar 03, 2026 1.59 1.59 1.59 1.59 0 600
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Market closed

Pre-market opens in 3 days 6 hours 42 minutes
Main market opens in 3 days 10 hours 12 minutes

23:17
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
06:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 17:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).