Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
1.730
-0.020 (-1.14%)
At close: Jun 20, 2025, 4:00 PM
1.740
+0.010 (0.58%)
After-hours: Jun 20, 2025, 4:04 PM EDT
Research Frontiers Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 20, 2025 | 1.75 | 1.75 | 1.65 | 1.74 | 1.74 | -0.57% | 33,089 |
| Jun 18, 2025 | 1.72 | 1.77 | 1.67 | 1.75 | 1.75 | -1.69% | 43,149 |
| Jun 17, 2025 | 1.82 | 1.82 | 1.72 | 1.78 | 1.78 | -2.20% | 49,890 |
| Jun 16, 2025 | 1.87 | 1.92 | 1.80 | 1.82 | 1.82 | -2.67% | 32,777 |
| Jun 13, 2025 | 1.91 | 1.94 | 1.85 | 1.87 | 1.87 | -1.58% | 22,412 |
| Jun 12, 2025 | 1.89 | 1.95 | 1.82 | 1.90 | 1.90 | -0.84% | 19,335 |
| Jun 11, 2025 | 1.90 | 1.97 | 1.90 | 1.92 | 1.92 | 0.31% | 19,350 |
| Jun 10, 2025 | 2.00 | 2.00 | 1.89 | 1.91 | 1.91 | -4.50% | 33,412 |
| Jun 9, 2025 | 2.01 | 2.05 | 1.99 | 2.00 | 2.00 | - | 29,834 |
| Jun 6, 2025 | 2.02 | 2.04 | 1.96 | 2.00 | 2.00 | -0.99% | 27,474 |
| Jun 5, 2025 | 1.95 | 2.04 | 1.92 | 2.02 | 2.02 | 1.00% | 22,843 |
| Jun 4, 2025 | 2.05 | 2.05 | 1.95 | 2.00 | 2.00 | -2.44% | 44,762 |
| Jun 3, 2025 | 2.00 | 2.09 | 1.85 | 2.05 | 2.05 | 3.02% | 79,794 |
| Jun 2, 2025 | 1.80 | 2.04 | 1.74 | 1.99 | 1.99 | 9.04% | 96,767 |
| May 30, 2025 | 1.81 | 1.84 | 1.78 | 1.83 | 1.83 | -0.27% | 38,632 |
| May 29, 2025 | 1.86 | 2.00 | 1.74 | 1.83 | 1.83 | -0.54% | 73,153 |
| May 28, 2025 | 1.73 | 1.86 | 1.72 | 1.84 | 1.84 | 9.52% | 128,912 |
| May 27, 2025 | 1.70 | 1.72 | 1.66 | 1.68 | 1.68 | -1.18% | 17,905 |
| May 23, 2025 | 1.71 | 1.72 | 1.65 | 1.70 | 1.70 | -1.73% | 37,968 |
| May 22, 2025 | 1.67 | 1.80 | 1.67 | 1.73 | 1.73 | 4.22% | 97,127 |
| May 21, 2025 | 1.60 | 1.71 | 1.60 | 1.66 | 1.66 | 3.75% | 54,995 |
| May 20, 2025 | 1.60 | 1.62 | 1.55 | 1.60 | 1.60 | -1.23% | 28,858 |
| May 19, 2025 | 1.67 | 1.70 | 1.56 | 1.62 | 1.62 | -2.99% | 34,705 |
| May 16, 2025 | 1.69 | 1.76 | 1.65 | 1.67 | 1.67 | -3.47% | 39,013 |
| May 15, 2025 | 1.73 | 1.75 | 1.65 | 1.73 | 1.73 | 5.49% | 59,240 |
| May 14, 2025 | 1.63 | 1.69 | 1.62 | 1.64 | 1.64 | - | 17,726 |
| May 13, 2025 | 1.71 | 1.71 | 1.60 | 1.64 | 1.64 | -4.37% | 40,022 |
| May 12, 2025 | 1.65 | 1.76 | 1.63 | 1.72 | 1.72 | 7.86% | 112,727 |
| May 9, 2025 | 1.21 | 1.70 | 1.19 | 1.59 | 1.59 | 33.61% | 197,139 |
| May 8, 2025 | 1.20 | 1.21 | 1.19 | 1.19 | 1.19 | 2.59% | 13,670 |
| May 7, 2025 | 1.17 | 1.20 | 1.16 | 1.16 | 1.16 | 0.87% | 24,547 |
| May 6, 2025 | 1.18 | 1.19 | 1.13 | 1.15 | 1.15 | -0.78% | 5,103 |
| May 5, 2025 | 1.15 | 1.18 | 1.12 | 1.16 | 1.16 | 3.02% | 20,243 |
| May 2, 2025 | 1.05 | 1.13 | 1.03 | 1.13 | 1.13 | 6.13% | 15,689 |
| May 1, 2025 | 1.05 | 1.09 | 1.05 | 1.06 | 1.06 | 0.95% | 2,407 |
| Apr 30, 2025 | 1.09 | 1.09 | 1.05 | 1.05 | 1.05 | -2.33% | 19,631 |
| Apr 29, 2025 | 1.04 | 1.10 | 1.04 | 1.08 | 1.08 | 3.86% | 21,731 |
| Apr 28, 2025 | 1.03 | 1.06 | 1.02 | 1.04 | 1.04 | -2.36% | 7,958 |
| Apr 25, 2025 | 1.02 | 1.06 | 1.01 | 1.06 | 1.06 | 1.92% | 30,856 |
| Apr 24, 2025 | 1.03 | 1.10 | 1.03 | 1.04 | 1.04 | -0.95% | 12,007 |
| Apr 23, 2025 | 1.03 | 1.16 | 1.00 | 1.05 | 1.05 | 2.94% | 27,778 |
| Apr 22, 2025 | 1.00 | 1.03 | 1.00 | 1.02 | 1.02 | -0.49% | 6,651 |
| Apr 21, 2025 | 1.04 | 1.19 | 1.02 | 1.03 | 1.03 | 0.49% | 19,521 |
| Apr 17, 2025 | 1.01 | 1.05 | 1.00 | 1.02 | 1.02 | 0.99% | 19,126 |
| Apr 16, 2025 | 0.99 | 1.09 | 0.99 | 1.01 | 1.01 | - | 21,405 |
| Apr 15, 2025 | 1.00 | 1.10 | 0.97 | 1.01 | 1.01 | 4.02% | 21,953 |
| Apr 14, 2025 | 1.00 | 1.00 | 0.96 | 0.97 | 0.97 | 0.09% | 31,804 |
| Apr 11, 2025 | 0.99 | 1.00 | 0.96 | 0.97 | 0.97 | -1.01% | 17,630 |
| Apr 10, 2025 | 1.00 | 1.00 | 0.96 | 0.98 | 0.98 | -1.33% | 18,821 |
| Apr 9, 2025 | 0.98 | 1.10 | 0.93 | 0.99 | 0.99 | 0.32% | 86,349 |