Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
1.540
+0.100 (6.94%)
Oct 6, 2025, 4:00 PM EDT - Market closed
Research Frontiers Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Sep 22, 2025 | 1.44 | 1.45 | 1.37 | 1.41 | 1.41 | -1.40% | 29,117 |
| Sep 19, 2025 | 1.40 | 1.43 | 1.35 | 1.43 | 1.43 | 2.14% | 58,185 |
| Sep 18, 2025 | 1.38 | 1.45 | 1.37 | 1.40 | 1.40 | 1.45% | 18,887 |
| Sep 17, 2025 | 1.35 | 1.42 | 1.35 | 1.38 | 1.38 | 2.22% | 11,239 |
| Sep 16, 2025 | 1.21 | 1.35 | 1.21 | 1.35 | 1.35 | 7.14% | 25,290 |
| Sep 15, 2025 | 1.26 | 1.27 | 1.21 | 1.26 | 1.26 | 0.80% | 43,083 |
| Sep 12, 2025 | 1.28 | 1.29 | 1.22 | 1.25 | 1.25 | -1.57% | 49,819 |
| Sep 11, 2025 | 1.29 | 1.33 | 1.27 | 1.27 | 1.27 | -1.55% | 10,233 |
| Sep 10, 2025 | 1.28 | 1.32 | 1.28 | 1.29 | 1.29 | 2.79% | 10,664 |
| Sep 9, 2025 | 1.31 | 1.31 | 1.24 | 1.26 | 1.26 | -3.46% | 41,314 |
| Sep 8, 2025 | 1.30 | 1.33 | 1.29 | 1.30 | 1.30 | 0.78% | 4,884 |
| Sep 5, 2025 | 1.30 | 1.32 | 1.25 | 1.29 | 1.29 | -0.77% | 34,023 |
| Sep 4, 2025 | 1.33 | 1.36 | 1.30 | 1.30 | 1.30 | -1.52% | 25,436 |
| Sep 3, 2025 | 1.32 | 1.34 | 1.30 | 1.32 | 1.32 | -1.12% | 5,380 |
| Sep 2, 2025 | 1.36 | 1.36 | 1.31 | 1.34 | 1.34 | -1.11% | 15,900 |
| Aug 29, 2025 | 1.39 | 1.45 | 1.35 | 1.35 | 1.35 | -8.16% | 52,246 |
| Aug 28, 2025 | 1.42 | 1.47 | 1.42 | 1.47 | 1.47 | 5.00% | 12,962 |
| Aug 27, 2025 | 1.41 | 1.42 | 1.40 | 1.40 | 1.40 | 0.14% | 10,741 |
| Aug 26, 2025 | 1.42 | 1.44 | 1.38 | 1.40 | 1.40 | 1.30% | 15,485 |
| Aug 25, 2025 | 1.37 | 1.41 | 1.37 | 1.38 | 1.38 | -1.43% | 27,303 |
| Aug 22, 2025 | 1.43 | 1.45 | 1.38 | 1.40 | 1.40 | 2.19% | 15,279 |
| Aug 21, 2025 | 1.39 | 1.44 | 1.37 | 1.37 | 1.37 | -1.44% | 22,394 |
| Aug 20, 2025 | 1.43 | 1.44 | 1.37 | 1.39 | 1.39 | -2.80% | 21,979 |
| Aug 19, 2025 | 1.47 | 1.49 | 1.38 | 1.43 | 1.43 | -2.72% | 84,010 |
| Aug 18, 2025 | 1.47 | 1.49 | 1.47 | 1.47 | 1.47 | - | 35,467 |
| Aug 15, 2025 | 1.56 | 1.56 | 1.47 | 1.47 | 1.47 | -3.29% | 28,371 |
| Aug 14, 2025 | 1.53 | 1.53 | 1.50 | 1.52 | 1.52 | 0.66% | 9,123 |
| Aug 13, 2025 | 1.50 | 1.57 | 1.50 | 1.51 | 1.51 | 0.67% | 17,800 |
| Aug 12, 2025 | 1.50 | 1.57 | 1.50 | 1.50 | 1.50 | - | 20,000 |
| Aug 11, 2025 | 1.51 | 1.54 | 1.50 | 1.50 | 1.50 | -1.96% | 18,837 |
| Aug 8, 2025 | 1.50 | 1.62 | 1.49 | 1.53 | 1.53 | -2.55% | 49,900 |
| Aug 7, 2025 | 1.54 | 1.61 | 1.52 | 1.57 | 1.57 | 2.61% | 51,657 |
| Aug 6, 2025 | 1.52 | 1.63 | 1.52 | 1.53 | 1.53 | -2.55% | 28,828 |
| Aug 5, 2025 | 1.53 | 1.65 | 1.53 | 1.57 | 1.57 | -0.63% | 10,420 |
| Aug 4, 2025 | 1.58 | 1.70 | 1.52 | 1.58 | 1.58 | -1.25% | 63,931 |
| Aug 1, 2025 | 1.61 | 1.65 | 1.53 | 1.60 | 1.60 | 1.27% | 34,511 |
| Jul 31, 2025 | 1.64 | 1.71 | 1.58 | 1.58 | 1.58 | -4.24% | 94,905 |
| Jul 30, 2025 | 1.60 | 1.66 | 1.60 | 1.65 | 1.65 | 1.85% | 8,900 |
| Jul 29, 2025 | 1.69 | 1.69 | 1.62 | 1.62 | 1.62 | -5.26% | 52,657 |
| Jul 28, 2025 | 1.85 | 1.93 | 1.71 | 1.71 | 1.71 | -7.07% | 17,515 |