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Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
1.620
+0.050 (3.18%)
At close: Dec 5, 2025, 4:00 PM EST
1.650
+0.030 (1.85%)
After-hours: Dec 5, 2025, 5:08 PM EST

Research Frontiers Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 20251.631.651.521.621.623.18%66,494
Dec 4, 20251.641.651.561.571.57-4.85%34,793
Dec 3, 20251.621.711.561.651.651.23%46,304
Dec 2, 20251.861.861.601.631.63-8.43%52,477
Dec 1, 20251.751.921.751.781.78-5.82%16,896
Nov 28, 20251.971.971.841.891.89-1.05%24,200
Nov 26, 20252.012.011.851.911.91-1.04%35,434
Nov 25, 20252.082.081.901.931.93-7.21%22,671
Nov 24, 20251.912.101.842.082.084.52%154,748
Nov 21, 20251.732.001.681.991.9913.07%97,423
Nov 20, 20251.791.851.721.761.76-53,256
Nov 19, 20251.761.791.751.761.763.53%25,175
Nov 18, 20251.581.721.581.701.704.74%23,321
Nov 17, 20251.771.851.621.621.62-10.33%77,049
Nov 14, 20251.701.931.661.811.81-3.21%96,891
Nov 13, 20251.701.871.581.871.873.89%113,069
Nov 12, 20251.751.891.681.801.803.45%43,410
Nov 11, 20251.581.741.571.741.7410.83%36,720
Nov 10, 20251.581.621.531.571.57-0.63%83,683
Nov 7, 20251.651.651.541.581.58-1.25%96,505
Nov 6, 20251.691.891.601.601.60-6.43%41,477
Nov 5, 20251.801.841.711.711.71-2.29%46,930
Nov 4, 20251.831.891.751.751.75-6.91%63,844
Nov 3, 20251.951.991.861.881.88-3.09%24,604
Oct 31, 20251.902.001.781.941.945.43%72,035
Oct 30, 20252.022.141.601.841.84-9.36%186,789
Oct 29, 20252.022.181.972.032.030.50%104,673
Oct 28, 20252.302.452.002.022.02-14.41%215,034
Oct 27, 20252.002.701.982.362.3618.00%904,061
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
Aug 15, 20251.561.561.471.471.47-3.29%28,371
Aug 14, 20251.531.531.501.521.520.66%9,123
Aug 13, 20251.501.571.501.511.510.67%17,800
Aug 12, 20251.501.571.501.501.50-20,000
Aug 11, 20251.511.541.501.501.50-1.96%18,837
Aug 8, 20251.501.621.491.531.53-2.55%49,900
Aug 7, 20251.541.611.521.571.572.61%51,657
Aug 6, 20251.521.631.521.531.53-2.55%28,828
Aug 5, 20251.531.651.531.571.57-0.63%10,420
Aug 4, 20251.581.701.521.581.58-1.25%63,931
Aug 1, 20251.611.651.531.601.601.27%34,511
Jul 31, 20251.641.711.581.581.58-4.24%94,905
Jul 30, 20251.601.661.601.651.651.85%8,900
Jul 29, 20251.691.691.621.621.62-5.26%52,657
Jul 28, 20251.851.931.711.711.71-7.07%17,515
Jul 25, 20251.771.891.711.841.841.66%93,293
Jul 24, 20251.801.951.781.811.81-0.82%24,660
Jul 23, 20251.771.971.761.831.831.96%12,341
Jul 22, 20251.791.931.781.791.794.07%47,835
Jul 21, 20251.811.851.721.721.72-4.44%17,824
Jul 18, 20251.831.831.721.801.800.56%9,987
Jul 17, 20251.781.951.711.791.791.70%58,456