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Research Frontiers Inc. (REFR)
NASDAQ:REFR
US Market
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Research Frontiers (REFR) Historical Prices

152 Followers
Time Period
1Y
Events
Historical Prices
Historical Prices
Rows:
50
Date
Open
High
Low
Close
Adj Close
% Change
Volume
Relative Volume
Oct 29, 2026
0.44
0.45
0.38
0.38
0.38
-13.64%
126,409
0.07
Oct 28, 2026
0.42
0.44
0.42
0.44
0.44
+4.51%
62,820
0.04
Oct 27, 2026
0.44
0.44
0.42
0.42
0.42
-5.82%
16,567
<0.01
Oct 26, 2026
0.42
0.47
0.42
0.45
0.45
-3.04%
18,454
0.01
Oct 23, 2026
0.43
0.48
0.41
0.46
0.46
+2.90%
50,324
0.03
Oct 22, 2026
0.49
0.57
0.44
0.45
0.45
-5.49%
50,780
0.03
Oct 21, 2026
0.50
0.53
0.47
0.47
0.47
-5.58%
34,670
0.02
Oct 20, 2026
0.53
0.55
0.50
0.50
0.50
-3.46%
52,005
0.03
Oct 19, 2026
0.55
0.59
0.50
0.52
0.52
-7.14%
147,637
0.09
Oct 16, 2026
0.67
0.68
0.56
0.56
0.56
-12.36%
132,466
0.08
Oct 15, 2026
0.63
0.65
0.60
0.64
0.64
+1.59%
184,530
0.11
Oct 14, 2026
0.59
0.64
0.59
0.63
0.63
+6.43%
127,323
0.08
Oct 13, 2026
0.59
0.64
0.56
0.59
0.59
+3.87%
136,351
0.08
Oct 12, 2026
0.58
0.59
0.54
0.57
0.57
-4.05%
140,212
0.08
Oct 09, 2026
0.61
0.62
0.56
0.59
0.59
-4.66%
162,567
0.10
Oct 08, 2026
0.68
0.68
0.59
0.62
0.62
-8.93%
107,389
0.06
Oct 07, 2026
0.68
0.70
0.68
0.68
0.68
-4.61%
100,377
0.06
Oct 06, 2026
0.77
0.77
0.70
0.72
0.72
-1.65%
314,585
0.19
Oct 05, 2026
0.73
0.75
0.67
0.73
0.73
0.00%
195,077
0.12
Oct 02, 2026
0.69
0.73
0.68
0.73
0.73
+4.90%
82,849
0.05
Oct 01, 2026
0.71
0.73
0.66
0.69
0.69
-5.45%
162,365
0.10
Sep 30, 2026
0.69
0.73
0.67
0.73
0.73
+5.16%
117,085
0.07
Sep 29, 2026
0.74
0.77
0.67
0.70
0.70
-9.82%
204,395
0.12
Sep 28, 2026
0.79
0.79
0.71
0.77
0.77
-2.15%
132,832
0.08
Sep 25, 2026
0.71
0.85
0.68
0.79
0.79
+6.89%
383,703
0.23
Sep 24, 2026
0.71
0.81
0.65
0.74
0.74
+3.79%
618,324
0.37
Sep 23, 2026
0.76
0.76
0.66
0.71
0.71
-8.47%
229,198
0.14
Sep 22, 2026
0.74
0.81
0.61
0.78
0.78
+2.64%
890,405
0.54
Sep 21, 2026
0.48
0.78
0.46
0.76
0.76
+16.59%
5,530,055
3.55
Sep 18, 2026
0.39
0.94
0.36
0.65
0.65
+68.65%
92,095,953
942.44
Sep 17, 2026
0.39
0.41
0.37
0.39
0.39
+1.31%
48,935
0.50
Sep 16, 2026
0.37
0.41
0.34
0.38
0.38
+5.83%
202,857
2.13
Sep 15, 2026
0.37
0.39
0.35
0.36
0.36
-5.51%
105,974
1.13
Sep 14, 2026
0.38
0.42
0.37
0.38
0.38
-2.06%
98,725
1.05
Sep 11, 2026
0.38
0.42
0.37
0.39
0.39
+1.04%
52,380
0.56
Sep 10, 2026
0.40
0.40
0.39
0.39
0.39
-1.79%
95,593
1.03
Sep 09, 2026
0.39
0.40
0.38
0.39
0.39
-0.51%
61,150
0.66
Sep 08, 2026
0.41
0.42
0.37
0.39
0.39
-4.83%
242,824
2.72
Sep 07, 2026
0.41
0.43
0.40
0.41
0.41
0.00%
0
0.00
Sep 04, 2026
0.41
0.43
0.40
0.41
0.41
+0.98%
142,731
1.62
Sep 03, 2026
0.40
0.43
0.40
0.41
0.41
+1.99%
62,722
0.72
Sep 02, 2026
0.45
0.46
0.40
0.40
0.40
-9.46%
102,573
1.19
Sep 01, 2026
0.47
0.47
0.43
0.44
0.44
-4.93%
391,925
4.88
Aug 31, 2026
0.47
0.47
0.45
0.47
0.47
+1.08%
61,662
0.78
Aug 28, 2026
0.49
0.49
0.45
0.46
0.46
-4.74%
150,591
1.95
Aug 27, 2026
0.51
0.53
0.47
0.49
0.49
+1.04%
352,178
4.89
Aug 26, 2026
0.48
0.50
0.46
0.48
0.48
+0.63%
363,942
5.42
Aug 25, 2026
0.49
0.51
0.46
0.48
0.48
+2.14%
180,902
2.81
Aug 24, 2026
0.44
0.49
0.43
0.47
0.47
+4.94%
94,772
1.50
Aug 21, 2026
0.46
0.47
0.43
0.45
0.45
-1.11%
66,667
1.07
Rows:
50