Research Frontiers Incorporated (REFR)

USD 1.65

(1.85%)

Historical Prices

Date Open High Low Close Volume
14 Sep, 2021 2.22 2.44 2.13 2.3 489 Thousand
13 Sep, 2021 2.81 2.9 2.18 2.22 1.51 Million
10 Sep, 2021 2.4 3.18 2.4 2.88 2.48 Million
09 Sep, 2021 2.35 2.47 2.32 2.37 73.42 Thousand
08 Sep, 2021 2.38 2.44 2.3 2.39 73.48 Thousand
07 Sep, 2021 2.15 2.43 2.13 2.36 127.76 Thousand
03 Sep, 2021 2.24 2.28 2.19 2.25 23.51 Thousand
02 Sep, 2021 2.27 2.33 2.25 2.25 27.08 Thousand
01 Sep, 2021 2.33 2.33 2.22 2.27 19.93 Thousand
31 Aug, 2021 2.22 2.31 2.19 2.29 71.4 Thousand