Skip to main content
Research Frontiers Incorporated (REFR)
NASDAQ: REFR · Real-Time Price · USD
0.980
-0.010 (-1.01%)
At close: Mar 6, 2026, 4:00 PM EST
0.980
0.00 (0.00%)
After-hours: Mar 6, 2026, 4:04 PM EST

Research Frontiers Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 6, 20260.991.010.960.980.98-1.01%48,011
Mar 5, 20261.051.050.990.990.99-1.98%41,022
Mar 4, 20261.001.051.001.011.01-13,124
Mar 3, 20261.011.100.981.011.01-1.94%23,057
Mar 2, 20261.021.101.021.031.033.50%20,478
Feb 27, 20261.031.050.981.001.001.14%87,288
Feb 26, 20261.141.140.980.980.98-11.35%75,996
Feb 25, 20261.131.131.111.111.110.91%5,482
Feb 24, 20261.121.121.071.101.10-0.90%13,519
Feb 23, 20261.131.131.101.111.11-15,671
Feb 20, 20261.031.131.031.111.117.77%48,027
Feb 19, 20261.021.051.021.031.031.98%18,645
Feb 18, 20261.041.091.001.011.01-0.98%33,767
Feb 17, 20261.021.121.021.021.022.00%8,242
Feb 13, 20261.041.090.981.001.00-2.91%72,501
Feb 12, 20261.051.081.011.031.03-0.96%33,926
Feb 11, 20261.051.061.021.041.04-46,389
Feb 10, 20261.021.081.021.041.040.97%14,397
Feb 9, 20261.111.171.001.031.03-8.04%134,108
Feb 6, 20261.111.251.111.121.12-0.88%26,547
Feb 5, 20261.131.141.091.131.13-30,767
Feb 4, 20261.151.181.111.131.13-2.59%17,982
Feb 3, 20261.151.201.151.161.161.75%25,788
Feb 2, 20261.181.211.141.141.14-5.00%50,173
Jan 30, 20261.201.231.141.201.20-83,044
Jan 29, 20261.251.321.201.201.20-5.51%74,842
Jan 28, 20261.271.291.231.271.27-0.78%17,481
Jan 27, 20261.291.301.251.281.28-1.54%46,450
Jan 26, 20261.291.311.211.301.302.36%64,846
Jan 23, 20261.271.321.261.271.27-29,585
Jan 22, 20261.221.311.211.271.272.42%111,202
Jan 21, 20261.231.301.211.241.24-2.36%70,042
Jan 20, 20261.321.341.251.271.27-4.51%41,224
Jan 16, 20261.331.381.301.331.330.76%43,044
Jan 15, 20261.351.401.301.321.32-2.94%19,328
Jan 14, 20261.341.371.321.361.362.26%21,387
Jan 13, 20261.311.341.311.331.333.91%14,629
Jan 12, 20261.281.341.281.281.282.40%22,321
Jan 9, 20261.271.351.201.251.25-1.57%85,880
Jan 8, 20261.311.341.271.271.27-1.55%55,233
Jan 7, 20261.351.431.271.291.29-2.27%23,254
Jan 6, 20261.311.351.311.321.32-21,321
Jan 5, 20261.281.441.271.321.323.13%41,952
Jan 2, 20261.311.311.261.281.28-2.29%46,861
Dec 31, 20251.311.341.261.311.31-0.76%85,203
Dec 30, 20251.361.361.301.321.32-3.65%48,522
Dec 29, 20251.361.451.311.371.37-0.72%148,715
Dec 26, 20251.411.491.301.381.38-0.72%96,016
Dec 24, 20251.401.421.361.391.39-1.42%16,656
Dec 23, 20251.501.501.361.411.41-2.76%62,822
Dec 22, 20251.501.541.411.451.45-0.68%77,117
Dec 19, 20251.521.531.421.461.46-1.35%100,126
Dec 18, 20251.461.481.271.481.482.78%101,959
Dec 17, 20251.491.531.421.441.44-2.70%36,616
Dec 16, 20251.501.521.441.481.48-5.13%51,024
Dec 15, 20251.521.591.501.561.561.30%60,885
Dec 12, 20251.591.591.521.541.54-1.28%30,287
Dec 11, 20251.571.621.541.561.56-1.27%32,105
Dec 10, 20251.591.631.571.581.58-0.63%48,552
Dec 9, 20251.581.691.561.591.59-41,530
Dec 8, 20251.641.651.551.591.59-1.85%60,212
Dec 5, 20251.631.651.521.621.623.18%66,495
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%22,683
Nov 24, 20251.912.101.842.082.084.52%154,748
Nov 21, 20251.732.001.681.991.9913.07%97,559
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