Research Frontiers Incorporated - Common Stock (REFR)

Historical Prices For Research Frontiers Incorporated - Common Stock (REFR)

Date Range:

2025-07-24 - 2025-10-24

Date	Open	High	Low	Close	Volume	Adjusted Close
10/23/2025	1.62	1.70	1.62	1.64	112,092	1.64
10/22/2025	1.64	1.71	1.60	1.65	65,890	1.65
10/21/2025	1.68	1.74	1.68	1.69	26,963	1.69
10/20/2025	1.65	1.75	1.65	1.73	34,238	1.73
10/17/2025	1.72	1.80	1.60	1.64	34,794	1.64
10/16/2025	1.81	1.81	1.61	1.61	112,729	1.61
10/15/2025	1.78	1.95	1.77	1.78	47,441	1.78
10/14/2025	1.79	1.98	1.79	1.81	120,702	1.81
10/13/2025	1.78	1.86	1.72	1.82	77,374	1.82
10/10/2025	1.87	1.94	1.75	1.82	103,243	1.82
10/09/2025	1.88	1.92	1.81	1.89	56,301	1.89
10/08/2025	1.82	1.88	1.63	1.88	64,187	1.88
10/07/2025	1.56	1.79	1.47	1.79	115,493	1.79
10/06/2025	1.45	1.57	1.40	1.54	68,351	1.54
10/03/2025	1.44	1.55	1.43	1.44	47,068	1.44
10/02/2025	1.60	1.60	1.44	1.45	63,511	1.45
10/01/2025	1.61	1.61	1.52	1.57	16,747	1.57
9/30/2025	1.53	1.65	1.52	1.59	86,448	1.59
9/29/2025	1.57	1.61	1.50	1.51	35,157	1.51
9/26/2025	1.60	1.66	1.48	1.54	24,762	1.54
9/25/2025	1.68	1.68	1.50	1.56	75,126	1.56
9/24/2025	1.45	1.73	1.42	1.69	156,805	1.69
9/23/2025	1.44	1.44	1.38	1.42	27,688	1.42
9/22/2025	1.44	1.45	1.37	1.41	29,117	1.41
9/19/2025	1.40	1.43	1.34	1.43	58,185	1.43
9/18/2025	1.38	1.45	1.37	1.40	18,887	1.40
9/17/2025	1.35	1.42	1.35	1.38	11,239	1.38
9/16/2025	1.21	1.35	1.21	1.35	25,290	1.35
9/15/2025	1.26	1.27	1.21	1.26	43,083	1.26
9/12/2025	1.28	1.29	1.22	1.25	49,819	1.25
9/11/2025	1.29	1.33	1.27	1.27	10,233	1.27
9/10/2025	1.28	1.31	1.28	1.29	10,664	1.29
9/09/2025	1.31	1.31	1.24	1.25	41,314	1.25
9/08/2025	1.30	1.32	1.29	1.30	4,884	1.30
9/05/2025	1.30	1.32	1.25	1.29	34,023	1.29
9/04/2025	1.33	1.36	1.30	1.30	25,436	1.30
9/03/2025	1.32	1.34	1.30	1.32	5,380	1.32
9/02/2025	1.36	1.36	1.31	1.33	15,900	1.33
8/29/2025	1.39	1.45	1.35	1.35	52,246	1.35
8/28/2025	1.42	1.47	1.42	1.47	12,962	1.47
8/27/2025	1.41	1.42	1.40	1.40	10,741	1.40
8/26/2025	1.42	1.44	1.38	1.40	15,485	1.40
8/25/2025	1.37	1.41	1.37	1.38	27,303	1.38
8/22/2025	1.43	1.45	1.38	1.40	15,279	1.40
8/21/2025	1.39	1.44	1.37	1.37	22,394	1.37
8/20/2025	1.43	1.44	1.37	1.39	21,979	1.39
8/19/2025	1.47	1.49	1.38	1.43	84,010	1.43
8/18/2025	1.47	1.49	1.47	1.47	35,467	1.47
8/15/2025	1.56	1.56	1.47	1.47	28,371	1.47
8/14/2025	1.53	1.53	1.50	1.52	9,123	1.52
8/13/2025	1.50	1.56	1.50	1.51	17,800	1.51
8/12/2025	1.50	1.57	1.50	1.50	20,000	1.50
8/11/2025	1.51	1.54	1.50	1.50	18,837	1.50
8/08/2025	1.50	1.62	1.49	1.53	49,900	1.53
8/07/2025	1.54	1.61	1.52	1.57	51,657	1.57
8/06/2025	1.52	1.63	1.52	1.53	28,828	1.53
8/05/2025	1.53	1.65	1.53	1.57	10,420	1.57
8/04/2025	1.58	1.70	1.52	1.58	63,931	1.58
8/01/2025	1.61	1.65	1.53	1.60	34,511	1.60
7/31/2025	1.64	1.71	1.57	1.58	94,905	1.58
7/30/2025	1.60	1.66	1.60	1.65	8,900	1.65
7/29/2025	1.69	1.69	1.62	1.62	52,657	1.62
7/28/2025	1.85	1.93	1.71	1.71	17,515	1.71
7/25/2025	1.77	1.89	1.71	1.84	93,293	1.84
7/24/2025	1.80	1.95	1.78	1.81	24,660	1.81