Rubicon Technology, Inc. (RBCN)
OTCMKTS · Delayed Price · Currency is USD
3.160
0.00 (0.00%)
Apr 15, 2026, 2:17 PM EST
Rubicon Technology Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 15, 2026 | 3.16 | 3.16 | 3.16 | 3.16 | 3.16 | - | 10,007 |
| Apr 14, 2026 | 3.47 | 3.47 | 3.16 | 3.16 | 3.16 | -10.00% | 5,004 |
| Apr 13, 2026 | 3.55 | 3.55 | 3.51 | 3.51 | 3.51 | 4.81% | 343 |
| Apr 10, 2026 | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | -0.30% | 1,020 |
| Apr 8, 2026 | 3.19 | 3.36 | 3.19 | 3.36 | 3.36 | 0.30% | 725 |
| Apr 7, 2026 | 3.35 | 3.35 | 3.35 | 3.35 | 3.35 | - | 504 |
| Apr 6, 2026 | 3.36 | 3.36 | 3.35 | 3.35 | 3.35 | 5.51% | 1,197 |
| Apr 2, 2026 | 3.17 | 3.18 | 3.10 | 3.18 | 3.18 | 2.42% | 1,902 |
| Apr 1, 2026 | 3.11 | 3.11 | 3.10 | 3.10 | 3.10 | 2.99% | 15,015 |
| Mar 27, 2026 | 3.05 | 3.05 | 3.01 | 3.01 | 3.01 | -1.63% | 872 |
| Mar 23, 2026 | 3.00 | 3.06 | 3.00 | 3.06 | 3.06 | 2.00% | 720 |
| Mar 13, 2026 | 3.05 | 3.05 | 3.00 | 3.00 | 3.00 | -1.64% | 1,845 |
| Mar 12, 2026 | 3.05 | 3.05 | 3.05 | 3.05 | 3.05 | -5.86% | 598 |
| Mar 5, 2026 | 3.25 | 3.25 | 3.24 | 3.24 | 3.24 | 3.85% | 982 |
| Mar 3, 2026 | 3.12 | 3.12 | 3.12 | 3.12 | 3.12 | 4.00% | 334 |
| Mar 2, 2026 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | -3.23% | 1,033 |
| Feb 26, 2026 | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | - | 27,667 |
| Feb 25, 2026 | 3.00 | 3.10 | 2.86 | 3.10 | 3.10 | 9.15% | 34,151 |
| Feb 24, 2026 | 2.84 | 2.84 | 2.84 | 2.84 | 2.84 | 0.35% | 100 |
| Feb 23, 2026 | 2.83 | 2.83 | 2.83 | 2.83 | 2.83 | 0.68% | 100 |
| Feb 18, 2026 | 2.78 | 2.81 | 2.78 | 2.81 | 2.81 | 1.30% | 633 |
| Feb 17, 2026 | 2.75 | 2.80 | 2.75 | 2.78 | 2.78 | 2.40% | 29,503 |
| Feb 12, 2026 | 2.72 | 2.72 | 2.71 | 2.71 | 2.71 | -6.55% | 3,277 |
| Feb 11, 2026 | 2.75 | 2.90 | 2.75 | 2.90 | 2.90 | - | 209 |
| Feb 6, 2026 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | -3.01% | 731 |
| Feb 4, 2026 | 2.72 | 2.99 | 2.72 | 2.99 | 2.99 | 2.75% | 276 |
| Feb 3, 2026 | 2.91 | 2.91 | 2.91 | 2.91 | 2.91 | 5.82% | 268 |
| Feb 2, 2026 | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | - | 512 |
| Jan 30, 2026 | 2.75 | 2.75 | 2.75 | 2.75 | 2.75 | -8.03% | 500 |
| Jan 28, 2026 | 2.90 | 2.99 | 2.90 | 2.99 | 2.99 | 3.10% | 552 |
| Jan 27, 2026 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 3.57% | 820 |
| Jan 26, 2026 | 2.89 | 2.89 | 2.80 | 2.80 | 2.80 | 1.01% | 478 |
| Jan 21, 2026 | 2.80 | 2.80 | 2.77 | 2.77 | 2.77 | -1.35% | 1,000 |
| Jan 20, 2026 | 2.81 | 2.81 | 2.81 | 2.81 | 2.81 | 0.36% | 5,012 |
| Jan 15, 2026 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | -2.78% | 333 |
| Jan 9, 2026 | 2.73 | 3.10 | 2.73 | 2.88 | 2.88 | -6.80% | 2,317 |
| Jan 8, 2026 | 2.75 | 3.09 | 2.71 | 3.09 | 3.09 | 17.05% | 1,523 |
| Jan 7, 2026 | 2.55 | 2.64 | 2.55 | 2.64 | 2.64 | -10.20% | 19,148 |
| Jan 2, 2026 | 2.94 | 2.94 | 2.94 | 2.94 | 2.94 | 6.91% | 103 |
| Dec 31, 2025 | 2.95 | 2.95 | 2.75 | 2.75 | 2.75 | -9.87% | 1,838 |
| Dec 30, 2025 | 2.95 | 3.05 | 2.95 | 3.05 | 3.05 | 4.74% | 320 |
| Dec 29, 2025 | 3.06 | 3.06 | 2.90 | 2.91 | 2.91 | 3.67% | 1,751 |
| Dec 26, 2025 | 2.81 | 2.81 | 2.81 | 2.81 | 2.81 | 0.36% | 130 |
| Dec 24, 2025 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | -0.36% | 1,111 |
| Dec 23, 2025 | 2.90 | 2.90 | 2.81 | 2.81 | 2.81 | 0.36% | 817 |
| Dec 22, 2025 | 2.83 | 2.83 | 2.80 | 2.80 | 2.80 | - | 2,321 |
| Dec 19, 2025 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | -5.72% | 1,260 |
| Dec 17, 2025 | 2.97 | 2.97 | 2.97 | 2.97 | 2.97 | 4.21% | 101 |
| Dec 15, 2025 | 2.82 | 2.97 | 2.82 | 2.85 | 2.85 | -3.06% | 2,206 |
| Dec 12, 2025 | 2.80 | 2.94 | 2.80 | 2.94 | 2.94 | 1.38% | 874 |