Research Frontiers Inc. (REFR)
NASDAQ:REFR
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Time Period
1Y
Events
Historical Prices
Rows:
May 20, 2026
0.77
0.80
0.73
0.75
0.75
-2.60%
35,794
1.07
May 19, 2026
0.82
0.82
0.76
0.77
0.77
-1.91%
16,972
0.51
May 18, 2026
0.79
0.80
0.78
0.79
0.79
-1.88%
12,977
0.38
May 15, 2026
0.81
0.81
0.78
0.80
0.80
-1.11%
19,603
0.58
May 14, 2026
0.78
0.83
0.78
0.81
0.81
+2.41%
15,796
0.47
May 13, 2026
0.81
0.86
0.79
0.79
0.79
+1.94%
67,119
2.00
May 12, 2026
0.79
0.79
0.76
0.78
0.78
+1.97%
27,600
0.82
May 11, 2026
0.90
0.90
0.76
0.76
0.76
+0.80%
80,261
2.43
May 08, 2026
0.89
0.89
0.75
0.75
0.75
-9.48%
75,450
2.35
May 07, 2026
0.87
0.99
0.83
0.83
0.83
-4.91%
90,732
2.77
May 06, 2026
0.99
0.99
0.88
0.88
0.88
+0.69%
27,634
0.84
May 05, 2026
0.87
0.95
0.86
0.87
0.87
+0.12%
28,593
0.87
May 04, 2026
0.88
0.94
0.83
0.87
0.87
-1.03%
95,564
3.03
May 01, 2026
0.92
0.92
0.87
0.88
0.88
-4.46%
58,389
1.88
Apr 30, 2026
0.95
0.96
0.91
0.92
0.92
-2.13%
67,088
2.18
Apr 29, 2026
0.93
0.95
0.93
0.94
0.94
+0.21%
2,471
0.08
Apr 28, 2026
0.93
0.98
0.93
0.94
0.94
-1.37%
25,243
0.77
Apr 27, 2026
0.99
0.99
0.94
0.95
0.95
-1.04%
7,899
0.24
Apr 24, 2026
1.01
1.02
0.93
0.96
0.96
-3.90%
26,940
0.81
Apr 23, 2026
0.99
1.02
0.99
1.00
1.00
+2.67%
10,856
0.32
Apr 22, 2026
0.97
1.02
0.97
0.97
0.97
-1.72%
6,618
0.19
Apr 21, 2026
1.00
1.02
0.98
0.99
0.99
-0.90%
37,680
1.05
Apr 20, 2026
0.93
1.00
0.93
1.00
1.00
+7.42%
23,459
0.64
Apr 17, 2026
0.95
0.95
0.93
0.93
0.93
-0.64%
4,913
0.13
Apr 16, 2026
0.91
0.95
0.91
0.94
0.94
+2.63%
17,265
0.47
Apr 15, 2026
1.01
1.01
0.91
0.91
0.91
-10.15%
40,358
1.10
Apr 14, 2026
0.91
1.02
0.91
1.02
1.02
+9.26%
94,623
2.66
Apr 13, 2026
0.95
0.97
0.92
0.93
0.93
-3.13%
17,685
0.50
Apr 10, 2026
0.97
0.97
0.96
0.96
0.96
+2.02%
4,644
0.13
Apr 09, 2026
0.93
0.97
0.91
0.94
0.94
+2.06%
35,901
1.01
Apr 08, 2026
0.98
0.98
0.92
0.92
0.92
-0.97%
35,239
0.97
Apr 07, 2026
0.92
0.97
0.91
0.93
0.93
-0.75%
20,741
0.56
Apr 06, 2026
0.93
0.97
0.90
0.94
0.94
+1.30%
6,200
0.17
Apr 03, 2026
0.93
0.93
0.90
0.93
0.93
0.00%
0
0.00
Apr 02, 2026
0.93
0.93
0.90
0.93
0.93
-3.04%
2,450
0.06
Apr 01, 2026
0.94
0.97
0.94
0.95
0.95
+3.70%
8,537
0.22
Mar 31, 2026
0.87
0.96
0.87
0.92
0.92
+1.10%
16,817
0.42
Mar 30, 2026
0.89
0.94
0.88
0.91
0.91
+2.13%
6,654
0.16
Mar 27, 2026
0.87
0.94
0.87
0.89
0.89
-1.11%
9,341
0.22
Mar 26, 2026
0.86
0.91
0.86
0.90
0.90
+8.42%
31,694
0.72
Mar 25, 2026
0.87
0.97
0.82
0.83
0.83
-2.24%
90,563
2.12
Mar 24, 2026
0.86
0.90
0.85
0.85
0.85
-1.62%
20,468
0.47
Mar 23, 2026
0.86
0.90
0.86
0.86
0.86
+8.00%
36,474
0.83
Mar 20, 2026
1.02
1.03
0.80
0.80
0.80
-21.57%
172,566
4.03
Mar 19, 2026
1.01
1.02
1.00
1.02
1.02
+2.00%
13,759
0.31
Mar 18, 2026
1.02
1.03
1.00
1.00
1.00
0.00%
22,147
0.50
Mar 17, 2026
1.00
1.03
1.00
1.00
1.00
-0.99%
10,239
0.23
Mar 16, 2026
1.00
1.03
1.00
1.01
1.01
0.00%
30,609
0.67
Mar 13, 2026
1.01
1.01
1.00
1.01
1.01
-0.98%
29,983
0.66
Mar 12, 2026
0.93
1.02
0.92
1.02
1.02
+12.96%
27,919
0.61
Rows: