Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
0.3707
+0.0020 (0.54%)
Nov 6, 2026, 11:10 AM EST - Market open
Research Frontiers Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 6, 2026 | 0.42 | 0.42 | 0.36 | 0.37 | 0.37 | 0.54% | 9,572 |
| Nov 5, 2026 | 0.39 | 0.42 | 0.34 | 0.37 | 0.37 | -4.21% | 37,375 |
| Nov 4, 2026 | 0.34 | 0.40 | 0.34 | 0.38 | 0.38 | 10.10% | 39,091 |
| Nov 3, 2026 | 0.36 | 0.39 | 0.33 | 0.35 | 0.35 | -3.00% | 153,976 |
| Nov 2, 2026 | 0.36 | 0.40 | 0.35 | 0.36 | 0.36 | 2.94% | 108,741 |
| Oct 30, 2026 | 0.39 | 0.40 | 0.34 | 0.35 | 0.35 | -7.89% | 200,288 |
| Oct 29, 2026 | 0.44 | 0.45 | 0.38 | 0.38 | 0.38 | -13.63% | 126,509 |
| Oct 28, 2026 | 0.42 | 0.44 | 0.42 | 0.44 | 0.44 | 4.54% | 62,820 |
| Oct 27, 2026 | 0.44 | 0.44 | 0.42 | 0.42 | 0.42 | -5.86% | 16,567 |
| Oct 26, 2026 | 0.43 | 0.47 | 0.43 | 0.45 | 0.45 | -2.99% | 18,454 |
| Oct 23, 2026 | 0.43 | 0.48 | 0.41 | 0.46 | 0.46 | 2.90% | 50,335 |
| Oct 22, 2026 | 0.49 | 0.57 | 0.44 | 0.45 | 0.45 | -5.60% | 50,842 |
| Oct 21, 2026 | 0.50 | 0.53 | 0.47 | 0.47 | 0.47 | -5.55% | 34,670 |
| Oct 20, 2026 | 0.53 | 0.55 | 0.50 | 0.50 | 0.50 | -3.46% | 52,005 |
| Oct 19, 2026 | 0.55 | 0.59 | 0.50 | 0.52 | 0.52 | -7.07% | 149,566 |
| Oct 16, 2026 | 0.67 | 0.68 | 0.56 | 0.56 | 0.56 | -12.43% | 133,232 |
| Oct 15, 2026 | 0.63 | 0.65 | 0.60 | 0.64 | 0.64 | 1.54% | 184,530 |
| Oct 14, 2026 | 0.59 | 0.64 | 0.59 | 0.63 | 0.63 | 6.42% | 127,323 |
| Oct 13, 2026 | 0.59 | 0.64 | 0.56 | 0.59 | 0.59 | 3.93% | 136,351 |
| Oct 12, 2026 | 0.58 | 0.59 | 0.54 | 0.57 | 0.57 | -4.01% | 140,212 |
| Oct 9, 2026 | 0.61 | 0.62 | 0.56 | 0.59 | 0.59 | -4.68% | 162,567 |
| Oct 8, 2026 | 0.68 | 0.68 | 0.59 | 0.62 | 0.62 | -8.95% | 107,389 |
| Oct 7, 2026 | 0.68 | 0.70 | 0.68 | 0.68 | 0.68 | -4.59% | 100,377 |
| Oct 6, 2026 | 0.77 | 0.77 | 0.70 | 0.72 | 0.72 | -1.61% | 314,585 |
| Oct 5, 2026 | 0.73 | 0.75 | 0.67 | 0.73 | 0.73 | -0.05% | 196,922 |
| Oct 2, 2026 | 0.69 | 0.73 | 0.68 | 0.73 | 0.73 | 4.85% | 82,849 |
| Oct 1, 2026 | 0.71 | 0.73 | 0.66 | 0.69 | 0.69 | -5.42% | 162,366 |
| Sep 30, 2026 | 0.69 | 0.73 | 0.67 | 0.73 | 0.73 | 5.15% | 117,085 |
| Sep 29, 2026 | 0.74 | 0.77 | 0.67 | 0.70 | 0.70 | -9.78% | 204,395 |
| Sep 28, 2026 | 0.79 | 0.79 | 0.71 | 0.77 | 0.77 | -2.15% | 132,832 |
| Sep 25, 2026 | 0.71 | 0.85 | 0.68 | 0.79 | 0.79 | 6.84% | 383,703 |
| Sep 24, 2026 | 0.71 | 0.81 | 0.65 | 0.74 | 0.74 | 3.77% | 618,324 |
| Sep 23, 2026 | 0.76 | 0.76 | 0.66 | 0.71 | 0.71 | -8.42% | 229,198 |
| Sep 22, 2026 | 0.74 | 0.81 | 0.61 | 0.78 | 0.78 | 2.69% | 890,405 |
| Sep 21, 2026 | 0.48 | 0.78 | 0.46 | 0.76 | 0.76 | 16.54% | 5,530,055 |
| Sep 18, 2026 | 0.39 | 0.94 | 0.36 | 0.65 | 0.65 | 68.49% | 92,095,952 |
| Sep 17, 2026 | 0.39 | 0.41 | 0.37 | 0.39 | 0.39 | 1.24% | 48,935 |
| Sep 16, 2026 | 0.37 | 0.41 | 0.34 | 0.38 | 0.38 | 6.00% | 202,857 |
| Sep 15, 2026 | 0.37 | 0.39 | 0.35 | 0.36 | 0.36 | -5.46% | 105,974 |
| Sep 14, 2026 | 0.38 | 0.42 | 0.37 | 0.38 | 0.38 | -2.06% | 98,725 |
| Sep 11, 2026 | 0.38 | 0.42 | 0.37 | 0.39 | 0.39 | 1.04% | 52,380 |
| Sep 10, 2026 | 0.40 | 0.40 | 0.39 | 0.39 | 0.39 | -1.86% | 95,593 |
| Sep 9, 2026 | 0.39 | 0.40 | 0.38 | 0.39 | 0.39 | -0.56% | 61,150 |
| Sep 8, 2026 | 0.41 | 0.42 | 0.37 | 0.39 | 0.39 | -4.87% | 242,824 |
| Sep 4, 2026 | 0.41 | 0.43 | 0.40 | 0.41 | 0.41 | 1.12% | 142,731 |
| Sep 3, 2026 | 0.40 | 0.43 | 0.40 | 0.41 | 0.41 | 1.96% | 63,031 |
| Sep 2, 2026 | 0.45 | 0.46 | 0.40 | 0.40 | 0.40 | -9.41% | 102,573 |
| Sep 1, 2026 | 0.47 | 0.47 | 0.43 | 0.44 | 0.44 | -4.95% | 408,753 |
| Aug 31, 2026 | 0.47 | 0.47 | 0.45 | 0.47 | 0.47 | 1.08% | 61,662 |
| Aug 28, 2026 | 0.49 | 0.49 | 0.45 | 0.46 | 0.46 | -4.72% | 174,514 |