OTC:CYAN | Historical Stock Price | CYANOTECH CORP

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1991-05-21 to 2026-08-27
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.23$0.69$2.06$6.21$18.69$56.241991-05-212026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2007

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volume
2007-12-31$1.40$1.4051,900
2007-12-28$1.33$1.3319,500
2007-12-27$1.10$1.1036,100
2007-12-26$1.10$1.1016,000
2007-12-24$1.18$1.1832,900
2007-12-21$0.98$0.9814,600
2007-12-20$1.11$1.1110,200
2007-12-19$1.10$1.108,700
2007-12-18$1.22$1.2219,400
2007-12-17$1.17$1.175,100
2007-12-14$1.15$1.151,600
2007-12-13$1.16$1.1613,600
2007-12-12$1.22$1.2227,100
2007-12-11$1.36$1.3613,600
2007-12-10$1.17$1.173,000
2007-12-07$1.20$1.2032,800
2007-12-06$1.21$1.2134,100
2007-12-05$1.33$1.3312,700
2007-12-04$1.25$1.2512,400
2007-12-03$1.23$1.234,800
2007-11-30$1.18$1.18300
2007-11-29$1.17$1.171,100
2007-11-28$1.15$1.154,300
2007-11-27$1.16$1.162,500
2007-11-26$1.17$1.171,400
2007-11-23$1.23$1.232,600
2007-11-21$1.35$1.355,400
2007-11-20$1.25$1.2511,000
2007-11-19$1.21$1.21600
2007-11-16$1.25$1.2528,200
2007-11-15$1.17$1.1713,600
2007-11-14$1.22$1.224,800
2007-11-13$1.21$1.2110,000
2007-11-12$1.25$1.256,200
2007-11-09$1.24$1.2420,900
2007-11-08$1.23$1.234,600
2007-11-07$1.17$1.171,800
2007-11-06$1.25$1.2513,200
2007-11-05$1.26$1.266,000
2007-11-02$1.27$1.270
2007-11-01$1.27$1.277,100
2007-10-31$1.23$1.232,600
2007-10-30$1.13$1.139,100
2007-10-29$1.16$1.167,000
2007-10-26$1.22$1.2213,400
2007-10-25$1.24$1.244,900
2007-10-24$1.20$1.2018,100
2007-10-23$1.20$1.2030,300
2007-10-22$1.13$1.1327,500
2007-10-19$1.08$1.0843,900
2007-10-18$1.39$1.3919,400
2007-10-17$1.37$1.3739,200
2007-10-16$1.35$1.3573,000
2007-10-15$1.06$1.0614,700
2007-10-12$1.00$1.0020,300
2007-10-11$0.90$0.901,700
2007-10-10$0.90$0.9011,800
2007-10-09$0.81$0.8116,500
2007-10-08$0.79$0.7910,800
2007-10-05$0.81$0.813,800
2007-10-04$0.81$0.818,000
2007-10-03$0.84$0.842,700
2007-10-02$0.85$0.851,900
2007-10-01$0.87$0.875,900
2007-09-28$0.86$0.8612,600
2007-09-27$0.86$0.861,000
2007-09-26$0.90$0.900
2007-09-25$0.90$0.9011,800
2007-09-24$0.83$0.831,700
2007-09-21$0.87$0.874,000
2007-09-20$0.93$0.936,100
2007-09-19$0.95$0.952,400
2007-09-18$0.99$0.994,600
2007-09-17$0.92$0.921,300
2007-09-14$0.95$0.950
2007-09-13$0.95$0.95400
2007-09-12$0.94$0.942,500
2007-09-11$0.94$0.943,300
2007-09-10$0.97$0.974,000
2007-09-07$0.99$0.99500
2007-09-06$1.04$1.046,200
2007-09-05$1.04$1.041,300
2007-09-04$1.03$1.031,200
2007-08-31$1.03$1.035,400
2007-08-30$1.01$1.012,900
2007-08-29$1.08$1.082,000
2007-08-28$1.03$1.0314,700
2007-08-27$1.16$1.161,500
2007-08-24$1.17$1.173,800
2007-08-23$1.12$1.122,200
2007-08-22$1.18$1.181,200
2007-08-21$1.20$1.207,000
2007-08-20$1.13$1.136,600
2007-08-17$1.11$1.115,200
2007-08-16$1.08$1.08300
2007-08-15$1.08$1.083,100
2007-08-14$1.08$1.0819,700
2007-08-13$1.00$1.0032,600
2007-08-10$1.02$1.026,200
2007-08-09$1.10$1.103,600
2007-08-08$1.28$1.28400
2007-08-07$1.19$1.191,000
2007-08-06$1.22$1.2215,300
2007-08-03$1.16$1.1622,400
2007-08-02$1.08$1.0851,000
2007-08-01$1.15$1.157,600
2007-07-31$1.19$1.195,400
2007-07-30$1.21$1.2110,600
2007-07-27$1.21$1.2123,700
2007-07-26$1.24$1.24300
2007-07-25$1.25$1.2532,700
2007-07-24$1.20$1.2015,200
2007-07-23$1.17$1.1712,100
2007-07-20$1.30$1.304,400
2007-07-19$1.33$1.333,400
2007-07-18$1.35$1.35500
2007-07-17$1.33$1.334,200
2007-07-16$1.34$1.341,700
2007-07-13$1.36$1.36900
2007-07-12$1.41$1.4124,200
2007-07-11$1.36$1.36600
2007-07-10$1.33$1.336,700
2007-07-09$1.33$1.338,600
2007-07-06$1.41$1.415,500
2007-07-05$1.44$1.442,200
2007-07-03$1.44$1.441,800
2007-07-02$1.40$1.4048,900
2007-06-29$1.50$1.500
2007-06-28$1.50$1.500
2007-06-27$1.50$1.501,900
2007-06-26$1.43$1.437,800
2007-06-25$1.50$1.506,000
2007-06-22$1.47$1.47900
2007-06-21$1.46$1.46400
2007-06-20$1.47$1.471,200
2007-06-19$1.49$1.49200
2007-06-18$1.51$1.513,300
2007-06-15$1.45$1.4515,000
2007-06-14$1.65$1.656,900
2007-06-13$1.52$1.521,300
2007-06-12$1.66$1.6612,800
2007-06-11$1.61$1.6118,800
2007-06-08$1.50$1.502,900
2007-06-07$1.53$1.5313,500
2007-06-06$1.52$1.524,600
2007-06-05$1.52$1.524,700
2007-06-04$1.46$1.461,200
2007-06-01$1.55$1.5519,000
2007-05-31$1.52$1.526,100
2007-05-30$1.51$1.513,600
2007-05-29$1.54$1.541,000
2007-05-25$1.51$1.5116,200
2007-05-24$1.50$1.509,700
2007-05-23$1.49$1.4914,000
2007-05-22$1.65$1.6516,100
2007-05-21$1.60$1.6013,100
2007-05-18$1.61$1.617,900
2007-05-17$1.62$1.621,400
2007-05-16$1.62$1.62700
2007-05-15$1.63$1.63300
2007-05-14$1.64$1.643,800
2007-05-11$1.75$1.752,700
2007-05-10$1.72$1.7221,700
2007-05-09$1.58$1.586,800
2007-05-08$1.70$1.707,100
2007-05-07$1.70$1.70900
2007-05-04$1.82$1.824,400
2007-05-03$1.90$1.9015,900
2007-05-02$1.80$1.8017,900
2007-05-01$1.81$1.8114,200
2007-04-30$1.58$1.581,300
2007-04-27$1.54$1.548,700
2007-04-26$1.59$1.59500
2007-04-25$1.66$1.661,100
2007-04-24$1.70$1.701,600
2007-04-23$1.81$1.8113,300
2007-04-20$1.71$1.714,900
2007-04-19$1.75$1.752,500
2007-04-18$1.71$1.711,300
2007-04-17$1.64$1.6410,100
2007-04-16$1.65$1.659,300
2007-04-13$1.64$1.640
2007-04-12$1.64$1.644,200
2007-04-11$1.57$1.5711,800
2007-04-10$1.62$1.6227,500
2007-04-09$1.61$1.6118,400
2007-04-05$1.63$1.6331,400
2007-04-04$1.65$1.652,800
2007-04-03$1.67$1.671,500
2007-04-02$1.63$1.6310,500
2007-03-30$1.64$1.646,200
2007-03-29$1.62$1.6214,700
2007-03-28$1.63$1.632,100
2007-03-27$1.64$1.645,700
2007-03-26$1.73$1.7317,600
2007-03-23$1.68$1.685,200
2007-03-22$1.67$1.679,000
2007-03-21$1.64$1.645,800
2007-03-20$1.66$1.6611,000
2007-03-19$1.75$1.754,200
2007-03-16$1.67$1.6716,300
2007-03-15$1.70$1.705,000
2007-03-14$1.66$1.6613,900
2007-03-13$1.85$1.85221,900
2007-03-12$1.94$1.9425,300
2007-03-09$1.80$1.809,200
2007-03-08$1.86$1.864,500
2007-03-07$1.84$1.8411,000
2007-03-06$1.84$1.8413,700
2007-03-05$1.80$1.8011,900
2007-03-02$1.61$1.6125,000
2007-03-01$1.66$1.6611,000
2007-02-28$1.69$1.697,500
2007-02-27$1.77$1.773,400
2007-02-26$1.77$1.773,200
2007-02-23$1.72$1.727,700
2007-02-22$1.77$1.775,600
2007-02-21$1.72$1.727,600
2007-02-20$1.74$1.7412,500
2007-02-16$1.76$1.7612,600
2007-02-15$1.71$1.71126,200
2007-02-14$2.10$2.1012,300
2007-02-13$2.18$2.1815,700
2007-02-12$2.17$2.1711,100
2007-02-09$2.21$2.213,900
2007-02-08$2.16$2.1622,600
2007-02-07$2.17$2.178,500
2007-02-06$2.17$2.178,500
2007-02-05$2.27$2.275,000
2007-02-02$2.25$2.2529,500
2007-02-01$2.00$2.0036,300
2007-01-31$2.16$2.1629,400
2007-01-30$2.26$2.2623,100
2007-01-29$2.35$2.3573,400
2007-01-26$2.23$2.2333,000
2007-01-25$2.00$2.00154,300
2007-01-24$1.85$1.8530,300
2007-01-23$1.85$1.8533,500
2007-01-22$1.85$1.853,000
2007-01-19$1.83$1.834,300
2007-01-18$1.85$1.8527,900
2007-01-17$1.80$1.8010,900
2007-01-16$1.78$1.783,300
2007-01-12$1.75$1.756,300
2007-01-11$1.79$1.795,500
2007-01-10$1.87$1.879,600
2007-01-09$1.79$1.792,100
2007-01-08$1.79$1.794,300
2007-01-05$1.78$1.7810,900
2007-01-04$1.80$1.801,800
2007-01-03$1.80$1.805,600