Research Frontiers IncorporatedREFRNASDAQ
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| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 2/2/2026 | $1.18 | $1.21 | $1.15 | $1.19 | 24,228 |
| 1/30/2026 | $1.20 | $1.23 | $1.14 | $1.20 | 83,044 |
| 1/29/2026 | $1.25 | $1.32 | $1.20 | $1.20 | 75,183 |
| 1/28/2026 | $1.27 | $1.29 | $1.23 | $1.27 | 17,500 |
| 1/27/2026 | $1.29 | $1.30 | $1.25 | $1.28 | 46,500 |
| 1/26/2026 | $1.29 | $1.31 | $1.21 | $1.30 | 64,846 |
| 1/23/2026 | $1.27 | $1.32 | $1.26 | $1.27 | 29,600 |
| 1/22/2026 | $1.22 | $1.31 | $1.21 | $1.27 | 111,202 |
| 1/21/2026 | $1.23 | $1.30 | $1.21 | $1.24 | 70,042 |
| 1/20/2026 | $1.32 | $1.34 | $1.25 | $1.27 | 41,224 |
| 1/16/2026 | $1.33 | $1.38 | $1.30 | $1.33 | 43,044 |
| 1/15/2026 | $1.35 | $1.40 | $1.30 | $1.32 | 19,328 |
| 1/14/2026 | $1.34 | $1.37 | $1.32 | $1.36 | 21,400 |
| 1/13/2026 | $1.31 | $1.34 | $1.31 | $1.33 | 14,629 |
| 1/12/2026 | $1.28 | $1.34 | $1.28 | $1.28 | 22,331 |
| 1/9/2026 | $1.27 | $1.35 | $1.20 | $1.25 | 85,900 |
| 1/8/2026 | $1.31 | $1.34 | $1.27 | $1.27 | 55,233 |
| 1/7/2026 | $1.35 | $1.43 | $1.27 | $1.29 | 23,300 |
| 1/6/2026 | $1.31 | $1.35 | $1.31 | $1.32 | 22,567 |
| 1/5/2026 | $1.28 | $1.44 | $1.27 | $1.32 | 42,000 |
| 1/2/2026 | $1.31 | $1.31 | $1.26 | $1.28 | 46,900 |
| 12/31/2025 | $1.31 | $1.34 | $1.26 | $1.31 | 85,203 |
| 12/30/2025 | $1.36 | $1.36 | $1.30 | $1.32 | 48,522 |
| 12/29/2025 | $1.36 | $1.45 | $1.31 | $1.37 | 148,715 |
| 12/26/2025 | $1.41 | $1.49 | $1.30 | $1.38 | 96,016 |
| 12/24/2025 | $1.40 | $1.42 | $1.36 | $1.39 | 16,700 |
| 12/23/2025 | $1.50 | $1.50 | $1.36 | $1.41 | 62,823 |
| 12/22/2025 | $1.50 | $1.54 | $1.41 | $1.45 | 77,117 |
| 12/19/2025 | $1.52 | $1.53 | $1.42 | $1.46 | 100,126 |
| 12/18/2025 | $1.46 | $1.48 | $1.27 | $1.48 | 102,000 |
| 12/17/2025 | $1.49 | $1.53 | $1.42 | $1.44 | 36,616 |
| 12/16/2025 | $1.50 | $1.52 | $1.44 | $1.48 | 51,024 |
| 12/15/2025 | $1.52 | $1.59 | $1.50 | $1.56 | 60,900 |
| 12/12/2025 | $1.59 | $1.59 | $1.52 | $1.54 | 30,300 |
| 12/11/2025 | $1.57 | $1.62 | $1.54 | $1.56 | 32,105 |
| 12/10/2025 | $1.59 | $1.63 | $1.57 | $1.58 | 48,552 |
| 12/9/2025 | $1.58 | $1.69 | $1.56 | $1.59 | 41,530 |
| 12/8/2025 | $1.64 | $1.65 | $1.55 | $1.59 | 60,212 |
| 12/5/2025 | $1.63 | $1.65 | $1.52 | $1.62 | 66,500 |
| 12/4/2025 | $1.64 | $1.65 | $1.56 | $1.57 | 34,800 |
| 12/3/2025 | $1.62 | $1.71 | $1.56 | $1.65 | 46,304 |
| 12/2/2025 | $1.85 | $1.85 | $1.60 | $1.63 | 52,500 |
| 12/1/2025 | $1.75 | $1.92 | $1.75 | $1.78 | 16,900 |
| 11/28/2025 | $1.97 | $1.97 | $1.84 | $1.89 | 24,200 |
| 11/26/2025 | $2.01 | $2.01 | $1.85 | $1.91 | 35,434 |
| 11/25/2025 | $2.08 | $2.08 | $1.90 | $1.93 | 22,700 |
| 11/24/2025 | $1.91 | $2.10 | $1.84 | $2.08 | 154,748 |
| 11/21/2025 | $1.73 | $2.00 | $1.68 | $1.99 | 97,559 |
| 11/20/2025 | $1.79 | $1.85 | $1.72 | $1.76 | 53,300 |
| 11/19/2025 | $1.76 | $1.79 | $1.75 | $1.76 | 25,200 |
| 11/18/2025 | $1.58 | $1.72 | $1.58 | $1.70 | 23,321 |
| 11/17/2025 | $1.77 | $1.85 | $1.62 | $1.62 | 77,049 |
| 11/14/2025 | $1.70 | $1.93 | $1.66 | $1.81 | 96,900 |
| 11/13/2025 | $1.70 | $1.87 | $1.57 | $1.87 | 113,100 |
| 11/12/2025 | $1.75 | $1.89 | $1.68 | $1.80 | 43,410 |
| 11/11/2025 | $1.58 | $1.74 | $1.57 | $1.74 | 36,720 |
| 11/10/2025 | $1.58 | $1.62 | $1.53 | $1.57 | 83,700 |
| 11/7/2025 | $1.65 | $1.65 | $1.54 | $1.58 | 96,505 |
| 11/6/2025 | $1.69 | $1.89 | $1.60 | $1.60 | 41,500 |
| 11/5/2025 | $1.80 | $1.84 | $1.71 | $1.71 | 46,930 |
| 11/4/2025 | $1.83 | $1.89 | $1.75 | $1.75 | 63,844 |