Research Frontiers Incorporated (REFR)

USD 1.65

(1.85%)

Historical Prices

Date Open High Low Close Volume
23 Sep, 2025 1.44 1.44 1.38 1.42 27.68 Thousand
22 Sep, 2025 1.44 1.45 1.37 1.41 29.11 Thousand
19 Sep, 2025 1.4 1.43 1.35 1.43 58.18 Thousand
18 Sep, 2025 1.38 1.45 1.37 1.4 18.88 Thousand
17 Sep, 2025 1.35 1.42 1.35 1.38 11.23 Thousand
16 Sep, 2025 1.21 1.35 1.21 1.35 25.29 Thousand
15 Sep, 2025 1.26 1.27 1.21 1.26 43.08 Thousand
12 Sep, 2025 1.28 1.29 1.22 1.25 49.81 Thousand
11 Sep, 2025 1.29 1.33 1.27 1.27 10.23 Thousand
10 Sep, 2025 1.28 1.32 1.28 1.29 10.66 Thousand