Research Frontiers Incorporated (REFR)

USD 1.65

(1.85%)

Historical Prices

Date Open High Low Close Volume
21 Oct, 2025 1.68 1.74 1.68 1.69 26.96 Thousand
20 Oct, 2025 1.65 1.75 1.65 1.73 34.23 Thousand
17 Oct, 2025 1.72 1.8 1.6 1.64 34.79 Thousand
16 Oct, 2025 1.81 1.81 1.61 1.62 112.72 Thousand
15 Oct, 2025 1.78 1.95 1.77 1.78 47.44 Thousand
14 Oct, 2025 1.8 1.98 1.8 1.81 120.7 Thousand
13 Oct, 2025 1.78 1.86 1.72 1.82 77.37 Thousand
10 Oct, 2025 1.87 1.94 1.75 1.82 103.24 Thousand
09 Oct, 2025 1.88 1.92 1.81 1.89 56.3 Thousand
08 Oct, 2025 1.82 1.88 1.63 1.88 64.18 Thousand