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Rubicon Technology, Inc. (RBCN)
OTCMKTS · Delayed Price · Currency is USD
3.240
+0.120 (3.85%)
Mar 5, 2026, 4:00 PM EST

Rubicon Technology Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 5, 20263.253.253.243.243.243.85%982
Mar 3, 20263.123.123.123.123.124.00%334
Mar 2, 20263.003.003.003.003.00-3.23%1,033
Feb 26, 20263.003.103.003.103.10-27,667
Feb 25, 20263.003.102.863.103.109.15%34,151
Feb 24, 20262.842.842.842.842.840.35%100
Feb 23, 20262.832.832.832.832.830.68%100
Feb 18, 20262.782.812.782.812.811.30%633
Feb 17, 20262.752.802.752.782.782.40%29,503
Feb 12, 20262.722.722.712.712.71-6.55%3,277
Feb 11, 20262.752.902.752.902.90-209
Feb 6, 20262.902.902.902.902.90-3.01%731
Feb 4, 20262.722.992.722.992.992.75%276
Feb 3, 20262.912.912.912.912.915.82%268
Feb 2, 20262.752.752.752.752.75-512
Jan 30, 20262.752.752.752.752.75-8.03%500
Jan 28, 20262.902.992.902.992.993.10%552
Jan 27, 20262.902.902.902.902.903.57%820
Jan 26, 20262.892.892.802.802.801.01%478
Jan 21, 20262.802.802.772.772.77-1.35%1,000
Jan 20, 20262.812.812.812.812.810.36%5,012
Jan 15, 20262.802.802.802.802.80-2.78%333
Jan 9, 20262.733.102.732.882.88-6.80%2,317
Jan 8, 20262.753.092.713.093.0917.05%1,523
Jan 7, 20262.552.642.552.642.64-10.20%19,148
Jan 2, 20262.942.942.942.942.946.91%103
Dec 31, 20252.952.952.752.752.75-9.87%1,838
Dec 30, 20252.953.052.953.053.054.74%320
Dec 29, 20253.063.062.902.912.913.67%1,751
Dec 26, 20252.812.812.812.812.810.36%130
Dec 24, 20252.802.802.802.802.80-0.36%1,111
Dec 23, 20252.902.902.812.812.810.36%817
Dec 22, 20252.832.832.802.802.80-2,321
Dec 19, 20252.802.802.802.802.80-5.72%1,260
Dec 17, 20252.972.972.972.972.974.21%101
Dec 15, 20252.822.972.822.852.85-3.06%2,206
Dec 12, 20252.802.942.802.942.941.38%874
Dec 11, 20252.802.902.802.902.900.35%1,449
Dec 10, 20252.822.892.802.892.893.21%5,534
Dec 4, 20252.902.902.802.802.80-3.45%4,105
Dec 3, 20252.902.912.902.902.90-3,214
Dec 2, 20252.942.942.902.902.90-1.36%2,945
Nov 28, 20252.942.942.942.942.94-2.00%311
Nov 26, 20252.963.002.963.003.002.74%415
Nov 25, 20252.922.972.862.922.92-4.26%35,955
Nov 21, 20253.033.052.883.053.05-3.79%7,280
Nov 18, 20252.953.482.903.173.175.32%4,586
Nov 17, 20254.004.002.753.013.01-24.75%10,106
Nov 14, 20254.084.084.004.004.00-2.20%1,240
Nov 13, 20254.094.094.094.094.09-272
Nov 12, 20254.094.094.094.094.09-2.62%611
Nov 11, 20254.224.224.034.204.20-5.62%4,977
Nov 10, 20254.404.504.404.454.450.38%2,145
Nov 6, 20254.454.454.434.434.431.91%924
Nov 5, 20254.354.354.354.354.352.84%1,051
Nov 3, 20254.204.234.204.234.23-2.76%1,150
Oct 29, 20254.354.354.354.354.351.16%3,034
Oct 28, 20254.324.344.304.304.302.38%32,603
Oct 27, 20254.204.204.204.204.200.24%117
Oct 24, 20254.214.214.184.194.19-1.41%782
Oct 22, 20254.254.254.254.254.25-0.23%1,071
Oct 21, 20254.294.294.264.264.26-0.35%628
Oct 20, 20254.284.284.284.284.280.35%191
Oct 17, 20254.264.264.264.264.26-0.33%729
Oct 16, 20254.344.344.274.274.27-0.60%500
Oct 15, 20254.214.354.174.304.303.61%1,253
Oct 13, 20254.184.194.154.154.15-0.72%1,979
Oct 9, 20254.184.324.184.184.18-1,719
Oct 8, 20254.184.204.154.184.181.21%5,585
Oct 3, 20254.174.174.134.134.13-1.20%210
Oct 2, 20254.184.184.184.184.180.48%597
Oct 1, 20254.164.164.164.164.16-0.48%286
Sep 30, 20254.184.264.164.184.180.24%5,332
Sep 29, 20254.244.244.174.174.17-4.14%1,297
Sep 26, 20254.184.354.154.354.351.64%9,033
Sep 25, 20254.214.324.214.284.28-0.23%392
Sep 24, 20254.294.294.254.294.291.80%1,581
Sep 23, 20254.214.214.214.214.21-2.36%1,331
Sep 22, 20254.164.324.164.324.322.62%1,062
Sep 19, 20254.244.254.204.214.21-0.99%10,051
Sep 18, 20254.214.254.174.254.25-0.75%3,121
Sep 17, 20254.284.284.284.284.28-0.70%462
Sep 16, 20254.314.314.314.314.311.17%131
Sep 15, 20254.214.374.214.264.260.50%10,836
Sep 12, 20254.134.244.134.244.240.26%1,276
Sep 11, 20254.254.264.234.234.23-0.52%666
Sep 10, 20254.284.284.254.254.25-0.23%6,797
Sep 8, 20254.004.304.004.264.26-2.07%1,753