Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
1.370
-0.020 (-1.44%)
At close: Dec 26, 2025, 4:00 PM EST
1.380
+0.010 (0.73%)
After-hours: Dec 26, 2025, 4:10 PM EST
Research Frontiers Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 26, 2025 | 1.41 | 1.49 | 1.30 | 1.38 | 1.38 | -0.72% | 96,016 |
| Dec 24, 2025 | 1.40 | 1.42 | 1.36 | 1.39 | 1.39 | -1.42% | 16,656 |
| Dec 23, 2025 | 1.50 | 1.50 | 1.36 | 1.41 | 1.41 | -2.76% | 62,822 |
| Dec 22, 2025 | 1.50 | 1.54 | 1.41 | 1.45 | 1.45 | -0.68% | 77,117 |
| Dec 19, 2025 | 1.52 | 1.53 | 1.42 | 1.46 | 1.46 | -1.35% | 100,126 |
| Dec 18, 2025 | 1.46 | 1.48 | 1.27 | 1.48 | 1.48 | 2.78% | 101,959 |
| Dec 17, 2025 | 1.49 | 1.53 | 1.42 | 1.44 | 1.44 | -2.70% | 36,616 |
| Dec 16, 2025 | 1.50 | 1.52 | 1.44 | 1.48 | 1.48 | -5.13% | 51,024 |
| Dec 15, 2025 | 1.52 | 1.59 | 1.50 | 1.56 | 1.56 | 1.30% | 60,885 |
| Dec 12, 2025 | 1.59 | 1.59 | 1.52 | 1.54 | 1.54 | -1.28% | 30,287 |
| Dec 11, 2025 | 1.57 | 1.62 | 1.54 | 1.56 | 1.56 | -1.27% | 32,105 |
| Dec 10, 2025 | 1.59 | 1.63 | 1.57 | 1.58 | 1.58 | -0.63% | 48,552 |
| Dec 9, 2025 | 1.58 | 1.69 | 1.56 | 1.59 | 1.59 | - | 41,530 |
| Dec 8, 2025 | 1.64 | 1.65 | 1.55 | 1.59 | 1.59 | -1.85% | 60,212 |
| Dec 5, 2025 | 1.63 | 1.65 | 1.52 | 1.62 | 1.62 | 3.18% | 66,495 |
| Dec 4, 2025 | 1.64 | 1.65 | 1.56 | 1.57 | 1.57 | -4.85% | 34,793 |
| Dec 3, 2025 | 1.62 | 1.71 | 1.56 | 1.65 | 1.65 | 1.23% | 46,304 |
| Dec 2, 2025 | 1.86 | 1.86 | 1.60 | 1.63 | 1.63 | -8.43% | 52,477 |
| Dec 1, 2025 | 1.75 | 1.92 | 1.75 | 1.78 | 1.78 | -5.82% | 16,896 |
| Nov 28, 2025 | 1.97 | 1.97 | 1.84 | 1.89 | 1.89 | -1.05% | 24,200 |
| Nov 26, 2025 | 2.01 | 2.01 | 1.85 | 1.91 | 1.91 | -1.04% | 35,434 |
| Nov 25, 2025 | 2.08 | 2.08 | 1.90 | 1.93 | 1.93 | -7.21% | 22,683 |
| Nov 24, 2025 | 1.91 | 2.10 | 1.84 | 2.08 | 2.08 | 4.52% | 154,748 |
| Nov 21, 2025 | 1.73 | 2.00 | 1.68 | 1.99 | 1.99 | 13.07% | 97,559 |
| Nov 20, 2025 | 1.79 | 1.85 | 1.72 | 1.76 | 1.76 | - | 53,256 |
| Nov 19, 2025 | 1.76 | 1.79 | 1.75 | 1.76 | 1.76 | 3.53% | 25,175 |
| Nov 18, 2025 | 1.58 | 1.72 | 1.58 | 1.70 | 1.70 | 4.74% | 23,321 |
| Nov 17, 2025 | 1.77 | 1.85 | 1.62 | 1.62 | 1.62 | -10.33% | 77,049 |
| Nov 14, 2025 | 1.70 | 1.93 | 1.66 | 1.81 | 1.81 | -3.21% | 96,891 |
| Nov 13, 2025 | 1.70 | 1.87 | 1.58 | 1.87 | 1.87 | 3.89% | 113,069 |
| Nov 12, 2025 | 1.75 | 1.89 | 1.68 | 1.80 | 1.80 | 3.45% | 43,410 |
| Nov 11, 2025 | 1.58 | 1.74 | 1.57 | 1.74 | 1.74 | 10.83% | 36,720 |
| Nov 10, 2025 | 1.58 | 1.62 | 1.53 | 1.57 | 1.57 | -0.63% | 83,683 |
| Nov 7, 2025 | 1.65 | 1.65 | 1.54 | 1.58 | 1.58 | -1.25% | 96,505 |
| Nov 6, 2025 | 1.69 | 1.89 | 1.60 | 1.60 | 1.60 | -6.43% | 41,477 |
| Nov 5, 2025 | 1.80 | 1.84 | 1.71 | 1.71 | 1.71 | -2.29% | 46,930 |
| Nov 4, 2025 | 1.83 | 1.89 | 1.75 | 1.75 | 1.75 | -6.91% | 63,844 |
| Nov 3, 2025 | 1.95 | 1.99 | 1.86 | 1.88 | 1.88 | -3.09% | 24,604 |
| Oct 31, 2025 | 1.90 | 2.00 | 1.78 | 1.94 | 1.94 | 5.43% | 72,035 |
| Oct 30, 2025 | 2.02 | 2.14 | 1.60 | 1.84 | 1.84 | -9.36% | 186,789 |
| Oct 29, 2025 | 2.02 | 2.18 | 1.97 | 2.03 | 2.03 | 0.50% | 104,673 |
| Oct 28, 2025 | 2.30 | 2.45 | 2.00 | 2.02 | 2.02 | -14.41% | 215,034 |
| Oct 27, 2025 | 2.00 | 2.70 | 1.98 | 2.36 | 2.36 | 18.00% | 904,061 |
| Oct 24, 2025 | 1.69 | 2.00 | 1.63 | 2.00 | 2.00 | 21.95% | 208,481 |
| Oct 23, 2025 | 1.62 | 1.70 | 1.62 | 1.64 | 1.64 | -0.61% | 112,092 |
| Oct 22, 2025 | 1.64 | 1.71 | 1.60 | 1.65 | 1.65 | -2.37% | 65,890 |
| Oct 21, 2025 | 1.68 | 1.74 | 1.68 | 1.69 | 1.69 | -2.31% | 26,963 |
| Oct 20, 2025 | 1.65 | 1.75 | 1.65 | 1.73 | 1.73 | 5.49% | 34,238 |
| Oct 17, 2025 | 1.72 | 1.80 | 1.60 | 1.64 | 1.64 | 1.55% | 34,794 |
| Oct 16, 2025 | 1.81 | 1.81 | 1.61 | 1.62 | 1.62 | -9.27% | 112,729 |