Rubicon Technology, Inc. (RBCN)
OTCMKTS · Delayed Price · Currency is USD
4.200
+0.030 (0.72%)
Oct 27, 2025, 9:41 AM EDT

Rubicon Technology Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 27, 20254.204.204.204.204.200.24%117
Oct 24, 20254.214.214.184.194.19-1.41%782
Oct 23, 20254.254.254.254.254.25-46
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 14, 20254.154.154.154.154.15--
Oct 13, 20254.184.194.154.154.15-0.72%1,979
Oct 10, 20254.184.184.184.184.18-20
Oct 9, 20254.184.324.184.184.18-1,719
Oct 8, 20254.184.204.154.184.181.21%5,585
Oct 7, 20254.134.134.134.134.13-46
Oct 6, 20254.134.134.134.134.13-14
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 9, 20254.264.264.264.264.26-45
Sep 8, 20254.004.304.004.264.26-2.07%1,753
Sep 5, 20254.084.354.084.354.354.82%327
Sep 4, 20254.154.154.154.154.15-52
Sep 3, 20254.154.404.104.154.15-23,109
Sep 2, 20254.154.154.154.154.15-6
Aug 29, 20253.804.153.804.154.15-3.06%9,918
Aug 28, 20254.254.284.254.284.28-0.21%420
Aug 27, 20254.334.334.254.294.29-0.92%3,858
Aug 26, 20254.314.354.314.334.33-0.23%2,419
Aug 25, 20254.314.374.314.344.34-9,732
Aug 22, 20254.364.364.314.344.34-0.69%25,620
Aug 21, 20253.754.543.754.374.3734.05%116,921
Aug 20, 20253.263.263.263.263.26-1
Aug 19, 20253.263.263.263.263.26-5.51%537
Aug 18, 20253.453.453.453.453.45-2.27%1,507