Skip to main content
My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Markets:
Overview
News
Currencies
International
Treasuries

Cyanotech Corporation - Common Stock (OP:CYAN)

0.2958 -0.0058 (-1.92%)
Streaming Delayed Price Updated: 9:30 AM EDT, Oct 1, 2025 Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Oct 01, 2025 0.2958 0.2958 0.2958 0.2958 101 -0.01(-1.92%)
Sep 30, 2025 0.3480 0.3480 0.3016 0.3016 392 -0.05(-13.33%)
Sep 29, 2025 0.3480 0.3480 0.3480 0.3480 181 -0.00(-0.57%)
Sep 26, 2025 0.3268 0.3500 0.3267 0.3500 8,025 +0.05(+16.67%)
Sep 25, 2025 0.3000 0.3000 0.3000 0.3000 251 +0.00(+0.87%)
Sep 24, 2025 0.2663 0.3268 0.2663 0.2974 2,417 +0.01(+2.55%)
Sep 23, 2025 0.2963 0.2963 0.2885 0.2900 8,900 +0.00(+1.05%)
Sep 22, 2025 0.2870 0.2870 0.2663 0.2870 1,977 -0.01(-3.37%)
Sep 18, 2025 0.2970 53 +0.03(+10.00%)
Sep 16, 2025 0.2700 70 -0.01(-1.82%)
Sep 15, 2025 0.2750 0.2750 0.2750 0.2750 1,000 -0.02(-5.98%)
Sep 12, 2025 0.2900 0.2925 0.2668 0.2925 3,426 -0.01(-2.50%)
Sep 11, 2025 0.3000 0.3000 0.2900 0.3000 3,841 +0.00(+0.00%)
Sep 10, 2025 0.2600 0.3000 0.2600 0.3000 3,500 +0.04(+15.38%)
Sep 09, 2025 0.2500 0.2720 0.2500 0.2600 40,010 -0.04(-13.33%)
Sep 05, 2025 0.3000 137 +0.01(+3.45%)
Sep 04, 2025 0.2800 0.2900 0.2800 0.2900 356 +0.01(+3.57%)
Sep 03, 2025 0.2800 0.2800 0.2800 0.2800 100 +0.00(+0.00%)
Sep 02, 2025 0.2800 0.2800 0.2800 0.2800 600 -0.06(-17.65%)
Aug 29, 2025 0.3400 0.3400 0.3400 0.3400 150 +0.06(+21.34%)
Aug 28, 2025 0.3200 0.3200 0.2802 0.2802 2,150 -0.01(-3.38%)
Aug 25, 2025 0.2900 2 -0.03(-8.23%)
Aug 22, 2025 0.2900 0.3160 0.2900 0.3160 1,100 +0.02(+5.33%)
Aug 19, 2025 0.3000 30 -0.04(-12.28%)
Aug 18, 2025 0.3020 0.3420 0.3020 0.3420 6,000 +0.04(+13.25%)
Aug 14, 2025 0.3020 0 +0.00(+0.00%)
Aug 13, 2025 0.3020 0.3020 0.3020 0.3020 208 -0.06(-15.64%)
Aug 12, 2025 0.3000 0.3580 0.2510 0.3580 1,455 -0.06(-14.76%)
Aug 11, 2025 0.3600 0.4200 0.3000 0.4200 3,404 +0.00(+0.00%)
Aug 08, 2025 0.2100 0.4200 0.2100 0.4200 48,402 +0.09(+27.27%)
Aug 07, 2025 0.3500 0.3600 0.3300 0.3300 22,750 -0.06(-15.38%)
Aug 06, 2025 0.3750 0.3900 0.3600 0.3900 15,759 +0.02(+5.41%)
Aug 04, 2025 0.3700 0 +0.00(+0.00%)
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.