Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
2.360
+0.360 (18.00%)
At close: Oct 27, 2025, 4:00 PM EDT
2.430
+0.070 (2.97%)
After-hours: Oct 27, 2025, 7:57 PM EDT

Research Frontiers Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 27, 20252.002.701.982.362.3618.00%896,328
Oct 24, 20251.692.001.632.002.0021.95%208,481
Oct 23, 20251.621.701.621.641.64-0.61%112,092
Oct 22, 20251.641.711.601.651.65-2.37%65,890
Oct 21, 20251.681.741.681.691.69-2.31%26,963
Oct 20, 20251.651.751.651.731.735.49%34,238
Oct 17, 20251.721.801.601.641.641.55%34,794
Oct 16, 20251.811.811.611.621.62-9.27%112,729
Oct 15, 20251.781.951.771.781.78-1.66%47,441
Oct 14, 20251.801.981.801.811.81-0.55%120,702
Oct 13, 20251.781.861.721.821.82-77,374
Oct 10, 20251.871.941.751.821.82-3.70%103,243
Oct 9, 20251.881.921.811.891.890.53%56,301
Oct 8, 20251.821.881.631.881.885.03%64,187
Oct 7, 20251.561.791.471.791.7916.23%115,794
Oct 6, 20251.451.571.401.541.546.94%68,351
Oct 3, 20251.441.551.431.441.44-0.69%47,068
Oct 2, 20251.601.601.441.451.45-7.64%63,521
Oct 1, 20251.611.611.521.571.57-1.26%16,747
Sep 30, 20251.531.651.521.591.595.30%86,448
Sep 29, 20251.571.611.501.511.51-1.95%35,157
Sep 26, 20251.601.661.481.541.54-1.28%24,762
Sep 25, 20251.681.681.501.561.56-7.69%75,126
Sep 24, 20251.451.731.421.691.6919.01%156,820
Sep 23, 20251.451.451.381.421.420.71%27,688
Sep 22, 20251.441.451.371.411.41-1.40%29,117
Sep 19, 20251.401.431.351.431.432.14%58,185
Sep 18, 20251.381.451.371.401.401.45%18,887
Sep 17, 20251.351.421.351.381.382.22%11,239
Sep 16, 20251.211.351.211.351.357.14%25,290
Sep 15, 20251.261.271.211.261.260.80%43,083
Sep 12, 20251.281.291.221.251.25-1.57%49,819
Sep 11, 20251.291.331.271.271.27-1.55%10,233
Sep 10, 20251.281.321.281.291.292.79%10,664
Sep 9, 20251.311.311.241.261.26-3.46%41,314
Sep 8, 20251.301.331.291.301.300.78%4,884
Sep 5, 20251.301.321.251.291.29-0.77%34,023
Sep 4, 20251.331.361.301.301.30-1.52%25,436
Sep 3, 20251.321.341.301.321.32-1.12%5,380
Sep 2, 20251.361.361.311.341.34-1.11%15,900
Aug 29, 20251.391.451.351.351.35-8.16%52,246
Aug 28, 20251.421.471.421.471.475.00%12,962
Aug 27, 20251.411.421.401.401.400.14%10,741
Aug 26, 20251.421.441.381.401.401.30%15,485
Aug 25, 20251.371.411.371.381.38-1.43%27,303
Aug 22, 20251.431.451.381.401.402.19%15,279
Aug 21, 20251.391.441.371.371.37-1.44%22,394
Aug 20, 20251.431.441.371.391.39-2.80%21,979
Aug 19, 20251.471.491.381.431.43-2.72%84,010
Aug 18, 20251.471.491.471.471.47-35,467