CLIR Historical Stock Prices & CSV Downloads

ClearSign Technologies Corporation (CLIR), daily historical prices. Prices in USD.
Date	Open	High	Low	Close		Volume
Nov 2, 2026	2.31	2.37	2.31	2.32	2.32	10,207
Oct 30, 2026	2.41	2.43	2.20	2.31	2.31	25,300
Oct 29, 2026	2.48	2.52	2.38	2.46	2.46	9,200
Oct 28, 2026	2.40	2.73	2.29	2.48	2.48	11,300
Oct 27, 2026	2.35	2.60	2.35	2.49	2.49	6,900
Oct 26, 2026	2.35	2.39	2.20	2.30	2.30	22,500
Oct 23, 2026	2.40	2.53	2.17	2.31	2.31	16,300
Oct 22, 2026	2.51	2.51	2.22	2.45	2.45	3,100
Oct 21, 2026	2.50	2.54	2.32	2.44	2.44	9,500
Oct 20, 2026	2.43	2.52	2.43	2.49	2.49	11,800
Oct 19, 2026	2.50	2.56	2.12	2.34	2.34	47,700
Oct 16, 2026	2.54	2.69	2.36	2.40	2.40	28,000
Oct 15, 2026	2.77	2.78	2.35	2.45	2.45	24,800
Oct 14, 2026	2.83	2.85	2.62	2.64	2.64	19,000
Oct 13, 2026	3.01	3.13	2.86	2.88	2.88	33,300
Oct 12, 2026	3.20	3.23	2.92	2.96	2.96	22,900
Oct 9, 2026	3.12	3.32	3.12	3.21	3.21	25,600
Oct 8, 2026	3.27	3.43	3.11	3.11	3.11	13,800
Oct 7, 2026	3.24	3.39	3.24	3.30	3.30	9,700
Oct 6, 2026	3.30	3.77	3.29	3.30	3.30	9,100
Oct 5, 2026	3.53	3.74	3.30	3.30	3.30	41,700
Oct 2, 2026	3.57	3.64	3.41	3.51	3.51	28,400
Oct 1, 2026	3.33	3.76	3.26	3.55	3.55	14,000
Sep 30, 2026	3.76	3.86	3.55	3.55	3.55	7,800
Sep 29, 2026	3.65	3.90	3.65	3.73	3.73	6,800

Historical stock data.