Research Frontiers Incorporated (REFR)

USD 1.65

(1.85%)

Historical Prices

Date Open High Low Close Volume
19 Sep, 2019 3.82 3.92 3.78 3.82 89.07 Thousand
18 Sep, 2019 3.8 3.98 3.71 3.81 210.63 Thousand
17 Sep, 2019 3.75 3.95 3.7 3.84 107.47 Thousand
16 Sep, 2019 3.94 3.94 3.7 3.8 221.98 Thousand
13 Sep, 2019 3.88 3.99 3.75 3.94 223.84 Thousand
12 Sep, 2019 4.09 4.13 3.81 3.84 221.73 Thousand
11 Sep, 2019 4.2 4.29 3.95 4.05 249.45 Thousand
10 Sep, 2019 4.1 4.23 3.8 4.14 282.11 Thousand
09 Sep, 2019 4.52 4.55 4.06 4.11 253.27 Thousand
06 Sep, 2019 4.55 4.64 4.34 4.49 80.98 Thousand