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Pre-market opens in 13 hours 9 minutes
Main market opens in 18 hours 39 minutes

14:50
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23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
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Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
0.30000001 USD
0
0%
Last update Apr 2, 2:44 PM EDT
Market closed
Day range
0.23000000
0.30000001
Previous close
0.30000001
Open
0.30000001
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Cyanotech Corporation
0.30
0
0%

Historical data

Prices

Date Open High Low Close % Change Volume
Apr 02, 2026 0.30000001 0.30000001 0.23000000 0.30000001 0 12700
Apr 01, 2026 0.30000001 0.30000001 0.30000001 0.30000001 0 0
Mar 31, 2026 0.23000000 0.30000001 0.23000000 0.30000001 30.43% 4200
Mar 30, 2026 0.30000001 0.30000001 0.30000001 0.30000001 0 100
Mar 27, 2026 0.28999999 0.28999999 0.28999999 0.28999999 0 0
Mar 26, 2026 0.28999999 0.28999999 0.28999999 0.28999999 0 2000
Mar 25, 2026 0.34000000 0.34000000 0.28999999 0.28999999 -14.71% 1700
Mar 24, 2026 0.30000001 0.30000001 0.28999999 0.28999999 -3.33% 19000
Mar 23, 2026 0.28999999 0.34999999 0.28999999 0.34999999 20.69% 5400
Mar 20, 2026 0.31000000 0.34999999 0.28999999 0.31000000 0 2100
Mar 19, 2026 0.34999999 0.34999999 0.34999999 0.34999999 0 0
Mar 18, 2026 0.34999999 0.34999999 0.34999999 0.34999999 0 0
Mar 17, 2026 0.27000001 0.34999999 0.27000001 0.34999999 29.63% 600
Mar 16, 2026 0.31999999 0.34999999 0.28000000 0.30000001 -6.25% 6500
Mar 13, 2026 0.33000001 0.34000000 0.31000000 0.34000000 3.03% 1000
Mar 12, 2026 0.31000000 0.34999999 0.31000000 0.34000000 9.68% 1100
Mar 11, 2026 0.44999999 0.44999999 0.44999999 0.44999999 0 100
Mar 10, 2026 0.28999999 0.31999999 0.28000000 0.31999999 10.34% 600
Mar 09, 2026 0.28999999 0.41000000 0.28999999 0.41000000 41.38% 2200
Mar 06, 2026 0.43000001 0.43000001 0.43000001 0.43000001 0 0
Mar 05, 2026 0.43000001 0.43000001 0.43000001 0.43000001 0 0
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Market closed

Pre-market opens in 13 hours 9 minutes
Main market opens in 18 hours 39 minutes

14:50
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).