Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
1.610
-0.170 (-9.55%)
At close: Dec 2, 2025, 4:00 PM EST
1.630
+0.020 (1.24%)
After-hours: Dec 2, 2025, 4:10 PM EST
Research Frontiers Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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% | 22,671 |
| 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% | 97,423 |
| 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 |
| Oct 15, 2025 | 1.78 | 1.95 | 1.77 | 1.78 | 1.78 | -1.66% | 47,441 |
| Oct 14, 2025 | 1.80 | 1.98 | 1.80 | 1.81 | 1.81 | -0.55% | 120,702 |
| Oct 13, 2025 | 1.78 | 1.86 | 1.72 | 1.82 | 1.82 | - | 77,374 |
| Oct 10, 2025 | 1.87 | 1.94 | 1.75 | 1.82 | 1.82 | -3.70% | 103,243 |
| Oct 9, 2025 | 1.88 | 1.92 | 1.81 | 1.89 | 1.89 | 0.53% | 56,301 |
| Oct 8, 2025 | 1.82 | 1.88 | 1.63 | 1.88 | 1.88 | 5.03% | 64,187 |
| Oct 7, 2025 | 1.56 | 1.79 | 1.47 | 1.79 | 1.79 | 16.23% | 115,794 |
| Oct 6, 2025 | 1.45 | 1.57 | 1.40 | 1.54 | 1.54 | 6.94% | 68,351 |
| Oct 3, 2025 | 1.44 | 1.55 | 1.43 | 1.44 | 1.44 | -0.69% | 47,068 |
| Oct 2, 2025 | 1.60 | 1.60 | 1.44 | 1.45 | 1.45 | -7.64% | 63,521 |
| Oct 1, 2025 | 1.61 | 1.61 | 1.52 | 1.57 | 1.57 | -1.26% | 16,747 |
| Sep 30, 2025 | 1.53 | 1.65 | 1.52 | 1.59 | 1.59 | 5.30% | 86,448 |
| Sep 29, 2025 | 1.57 | 1.61 | 1.50 | 1.51 | 1.51 | -1.95% | 35,157 |
| Sep 26, 2025 | 1.60 | 1.66 | 1.48 | 1.54 | 1.54 | -1.28% | 24,762 |
| Sep 25, 2025 | 1.68 | 1.68 | 1.50 | 1.56 | 1.56 | -7.69% | 75,126 |
| Sep 24, 2025 | 1.45 | 1.73 | 1.42 | 1.69 | 1.69 | 19.01% | 156,820 |
| Sep 23, 2025 | 1.45 | 1.45 | 1.38 | 1.42 | 1.42 | 0.71% | 27,688 |