NASDAQ:CLIR | Historical Stock Price | ClearSign Technologies 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
2012-04-25 to 2026-09-04
Data captured

Stock Price Chart

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

$3.20$6.64$13.75$28.50$59.07$122.432012-04-252026-08-27

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

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Historical Stock Price — 2023

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2023-12-29$11.10$11.1038,720
2023-12-28$11.20$11.2016,650
2023-12-27$11.30$11.302,890
2023-12-26$11.50$11.508,100
2023-12-22$12.10$12.108,190
2023-12-21$12.00$12.009,350
2023-12-20$11.80$11.8014,420
2023-12-19$12.80$12.809,120
2023-12-18$12.10$12.1012,810
2023-12-15$11.90$11.9020,050
2023-12-14$13.10$13.1036,980
2023-12-13$11.60$11.608,290
2023-12-12$11.30$11.3010,320
2023-12-11$11.90$11.9016,270
2023-12-08$10.20$10.202,440
2023-12-07$10.50$10.503,880
2023-12-06$11.00$11.007,050
2023-12-05$11.20$11.206,770
2023-12-04$11.50$11.506,000
2023-12-01$11.70$11.7012,300
2023-11-30$12.40$12.4011,230
2023-11-29$12.40$12.4024,400
2023-11-28$13.80$13.8032,980
2023-11-27$15.00$15.0076,820
2023-11-24$13.20$13.2031,660
2023-11-22$11.10$11.1019,280
2023-11-21$9.80$9.8021,750
2023-11-20$9.20$9.2022,330
2023-11-17$8.30$8.302,130
2023-11-16$8.10$8.107,810
2023-11-15$8.40$8.404,850
2023-11-14$9.00$9.005,860
2023-11-13$8.60$8.603,260
2023-11-10$8.60$8.602,070
2023-11-09$9.90$9.906,020
2023-11-08$10.40$10.403,320
2023-11-07$9.70$9.703,000
2023-11-06$9.10$9.101,010
2023-11-03$9.00$9.004,340
2023-11-02$9.10$9.103,500
2023-11-01$8.30$8.302,940
2023-10-31$8.20$8.201,320
2023-10-30$8.10$8.107,900
2023-10-27$8.30$8.309,120
2023-10-26$8.60$8.603,740
2023-10-25$8.70$8.701,740
2023-10-24$9.00$9.00990
2023-10-23$9.30$9.303,270
2023-10-20$9.10$9.103,190
2023-10-19$9.30$9.301,980
2023-10-18$9.60$9.601,590
2023-10-17$10.00$10.007,940
2023-10-16$10.20$10.205,360
2023-10-13$10.50$10.501,540
2023-10-12$10.90$10.902,420
2023-10-11$10.90$10.905,810
2023-10-10$10.20$10.201,580
2023-10-09$10.00$10.001,090
2023-10-06$10.10$10.105,020
2023-10-05$10.10$10.102,550
2023-10-04$10.10$10.102,190
2023-10-03$10.30$10.302,680
2023-10-02$10.50$10.501,510
2023-09-29$10.90$10.903,370
2023-09-28$11.20$11.203,730
2023-09-27$11.60$11.601,970
2023-09-26$11.40$11.404,860
2023-09-25$11.40$11.4013,520
2023-09-22$12.20$12.208,150
2023-09-21$11.70$11.707,400
2023-09-20$11.30$11.3022,640
2023-09-19$12.50$12.5026,250
2023-09-18$10.40$10.4016,100
2023-09-15$9.20$9.201,110
2023-09-14$9.30$9.303,290
2023-09-13$9.10$9.102,570
2023-09-12$9.40$9.404,430
2023-09-11$9.50$9.504,800
2023-09-08$9.90$9.902,110
2023-09-07$9.80$9.805,820
2023-09-06$9.50$9.503,600
2023-09-05$9.80$9.804,200
2023-09-01$10.20$10.207,750
2023-08-31$11.50$11.506,530
2023-08-30$11.10$11.102,130
2023-08-29$12.30$12.307,930
2023-08-28$11.20$11.205,640
2023-08-25$11.00$11.004,820
2023-08-24$10.20$10.201,220
2023-08-23$9.80$9.80330
2023-08-22$9.60$9.604,740
2023-08-21$10.00$10.003,870
2023-08-18$10.10$10.101,960
2023-08-17$10.00$10.007,200
2023-08-16$9.60$9.601,900
2023-08-15$9.80$9.809,990
2023-08-14$10.00$10.004,590
2023-08-11$10.40$10.403,330
2023-08-10$10.50$10.505,100
2023-08-09$10.60$10.606,530
2023-08-08$10.80$10.8013,140
2023-08-07$11.60$11.604,320
2023-08-04$11.10$11.106,490
2023-08-03$12.50$12.501,020
2023-08-02$12.50$12.502,570
2023-08-01$12.80$12.804,740
2023-07-31$13.10$13.101,550
2023-07-28$13.20$13.208,880
2023-07-27$12.60$12.601,600
2023-07-26$12.50$12.502,720
2023-07-25$12.60$12.601,040
2023-07-24$12.50$12.506,920
2023-07-21$13.50$13.502,310
2023-07-20$13.30$13.302,770
2023-07-19$13.70$13.702,420
2023-07-18$14.00$14.001,540
2023-07-17$13.30$13.307,240
2023-07-14$13.60$13.602,300
2023-07-13$13.90$13.901,570
2023-07-12$13.90$13.903,110
2023-07-11$14.60$14.607,320
2023-07-10$13.70$13.7010,210
2023-07-07$13.90$13.902,040
2023-07-06$14.00$14.001,720
2023-07-05$14.00$14.006,190
2023-07-03$13.60$13.603,030
2023-06-30$13.10$13.101,460
2023-06-29$12.60$12.601,330
2023-06-28$12.40$12.405,530
2023-06-27$13.00$13.004,960
2023-06-26$13.70$13.702,330
2023-06-23$13.50$13.503,230
2023-06-22$13.20$13.202,670
2023-06-21$13.80$13.803,090
2023-06-20$14.10$14.102,670
2023-06-16$14.50$14.5019,510
2023-06-15$12.30$12.302,840
2023-06-14$12.10$12.104,240
2023-06-13$11.50$11.5014,280
2023-06-12$13.00$13.006,170
2023-06-09$12.10$12.1019,190
2023-06-08$13.60$13.609,470
2023-06-07$12.80$12.8018,430
2023-06-06$12.70$12.708,660
2023-06-05$14.00$14.006,710
2023-06-02$15.20$15.203,270
2023-06-01$15.50$15.507,060
2023-05-31$15.30$15.3011,420
2023-05-30$16.30$16.3013,510
2023-05-26$15.00$15.003,480
2023-05-25$15.60$15.6022,200
2023-05-24$14.10$14.104,420
2023-05-23$14.40$14.406,540
2023-05-22$14.40$14.409,840
2023-05-19$14.50$14.5032,530
2023-05-18$13.50$13.5011,230
2023-05-17$13.50$13.505,350
2023-05-16$13.20$13.209,680
2023-05-15$12.00$12.002,920
2023-05-12$10.90$10.906,090
2023-05-11$10.30$10.304,730
2023-05-10$10.00$10.001,720
2023-05-09$9.90$9.902,290
2023-05-08$10.20$10.20770
2023-05-05$9.90$9.902,460
2023-05-04$10.10$10.102,020
2023-05-03$10.30$10.305,650
2023-05-02$10.40$10.403,320
2023-05-01$10.20$10.203,400
2023-04-28$10.60$10.606,150
2023-04-27$10.00$10.003,260
2023-04-26$9.30$9.307,360
2023-04-25$9.90$9.90920
2023-04-24$9.70$9.703,730
2023-04-21$9.20$9.20620
2023-04-20$9.10$9.101,060
2023-04-19$9.40$9.402,590
2023-04-18$8.70$8.702,890
2023-04-17$8.40$8.405,660
2023-04-14$9.70$9.70670
2023-04-13$9.50$9.504,140
2023-04-12$9.90$9.902,940
2023-04-11$9.20$9.2017,110
2023-04-10$10.60$10.6016,540
2023-04-06$9.00$9.009,940
2023-04-05$8.20$8.20800
2023-04-04$8.20$8.202,220
2023-04-03$7.90$7.901,020
2023-03-31$8.00$8.007,670
2023-03-30$8.40$8.403,870
2023-03-29$8.40$8.402,320
2023-03-28$8.40$8.403,130
2023-03-27$8.20$8.20540
2023-03-24$8.30$8.301,030
2023-03-23$8.10$8.101,040
2023-03-22$7.70$7.704,990
2023-03-21$8.00$8.00920
2023-03-20$8.00$8.004,020
2023-03-17$8.00$8.002,030
2023-03-16$7.90$7.901,980
2023-03-15$7.60$7.601,200
2023-03-14$8.00$8.003,790
2023-03-13$8.10$8.102,550
2023-03-10$7.80$7.8010,190
2023-03-09$7.90$7.901,250
2023-03-08$7.90$7.90460
2023-03-07$8.00$8.001,870
2023-03-06$8.30$8.301,520
2023-03-03$8.20$8.201,130
2023-03-02$8.20$8.20750
2023-03-01$8.10$8.101,770
2023-02-28$8.10$8.102,310
2023-02-27$8.30$8.301,610
2023-02-24$8.20$8.201,700
2023-02-23$8.50$8.504,680
2023-02-22$8.10$8.10590
2023-02-21$8.00$8.004,330
2023-02-17$8.50$8.502,050
2023-02-16$8.00$8.004,240
2023-02-15$7.70$7.702,680
2023-02-14$7.60$7.603,530
2023-02-13$8.00$8.001,680
2023-02-10$7.60$7.60660
2023-02-09$7.70$7.70720
2023-02-08$7.60$7.603,480
2023-02-07$7.90$7.90910
2023-02-06$8.50$8.501,600
2023-02-03$8.30$8.305,070
2023-02-02$7.90$7.904,960
2023-02-01$7.50$7.502,400
2023-01-31$7.40$7.401,850
2023-01-30$7.30$7.301,470
2023-01-27$7.30$7.301,650
2023-01-26$7.30$7.302,570
2023-01-25$7.20$7.20530
2023-01-24$7.70$7.702,570
2023-01-23$7.30$7.304,010
2023-01-20$6.90$6.901,680
2023-01-19$7.40$7.402,550
2023-01-18$7.20$7.203,050
2023-01-17$7.20$7.202,950
2023-01-13$6.80$6.804,420
2023-01-12$6.80$6.802,710
2023-01-11$7.20$7.206,660
2023-01-10$6.00$6.004,440
2023-01-09$5.50$5.502,610
2023-01-06$5.60$5.606,450
2023-01-05$5.40$5.403,360
2023-01-04$5.30$5.303,540
2023-01-03$5.30$5.302,310