Rubicon Technology, Inc. (RBCN)
OTCMKTS · Delayed Price · Currency is USD
2.800
0.00 (0.00%)
Jan 16, 2026, 4:00 PM EST
Rubicon Technology Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Dec 11, 2025 | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 0.35% | 1,449 |
| Dec 10, 2025 | 2.82 | 2.89 | 2.80 | 2.89 | 2.89 | 3.21% | 5,534 |
| Dec 4, 2025 | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | -3.45% | 4,105 |
| Dec 3, 2025 | 2.90 | 2.91 | 2.90 | 2.90 | 2.90 | - | 3,214 |
| Dec 2, 2025 | 2.94 | 2.94 | 2.90 | 2.90 | 2.90 | -1.36% | 2,945 |
| Nov 28, 2025 | 2.94 | 2.94 | 2.94 | 2.94 | 2.94 | -2.00% | 311 |
| Nov 26, 2025 | 2.96 | 3.00 | 2.96 | 3.00 | 3.00 | 2.74% | 415 |
| Nov 25, 2025 | 2.92 | 2.97 | 2.86 | 2.92 | 2.92 | -4.26% | 35,955 |
| Nov 21, 2025 | 3.03 | 3.05 | 2.88 | 3.05 | 3.05 | -3.79% | 7,280 |
| Nov 18, 2025 | 2.95 | 3.48 | 2.90 | 3.17 | 3.17 | 5.32% | 4,586 |
| Nov 17, 2025 | 4.00 | 4.00 | 2.75 | 3.01 | 3.01 | -24.75% | 10,106 |
| Nov 14, 2025 | 4.08 | 4.08 | 4.00 | 4.00 | 4.00 | -2.20% | 1,240 |
| Nov 13, 2025 | 4.09 | 4.09 | 4.09 | 4.09 | 4.09 | - | 272 |
| Nov 12, 2025 | 4.09 | 4.09 | 4.09 | 4.09 | 4.09 | -2.62% | 611 |
| Nov 11, 2025 | 4.22 | 4.22 | 4.03 | 4.20 | 4.20 | -5.62% | 4,977 |
| Nov 10, 2025 | 4.40 | 4.50 | 4.40 | 4.45 | 4.45 | 0.38% | 2,145 |
| Nov 6, 2025 | 4.45 | 4.45 | 4.43 | 4.43 | 4.43 | 1.91% | 924 |
| Nov 5, 2025 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 2.84% | 1,051 |
| Nov 3, 2025 | 4.20 | 4.23 | 4.20 | 4.23 | 4.23 | -2.76% | 1,150 |
| Oct 29, 2025 | 4.35 | 4.35 | 4.35 | 4.35 | 4.35 | 1.16% | 3,034 |
| Oct 28, 2025 | 4.32 | 4.34 | 4.30 | 4.30 | 4.30 | 2.38% | 32,603 |
| Oct 27, 2025 | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 0.24% | 117 |
| Oct 24, 2025 | 4.21 | 4.21 | 4.18 | 4.19 | 4.19 | -1.41% | 782 |
| Oct 22, 2025 | 4.25 | 4.25 | 4.25 | 4.25 | 4.25 | -0.23% | 1,071 |
| Oct 21, 2025 | 4.29 | 4.29 | 4.26 | 4.26 | 4.26 | -0.35% | 628 |
| Oct 20, 2025 | 4.28 | 4.28 | 4.28 | 4.28 | 4.28 | 0.35% | 191 |
| Oct 17, 2025 | 4.26 | 4.26 | 4.26 | 4.26 | 4.26 | -0.33% | 729 |
| Oct 16, 2025 | 4.34 | 4.34 | 4.27 | 4.27 | 4.27 | -0.60% | 500 |
| Oct 15, 2025 | 4.21 | 4.35 | 4.17 | 4.30 | 4.30 | 3.61% | 1,253 |
| Oct 13, 2025 | 4.18 | 4.19 | 4.15 | 4.15 | 4.15 | -0.72% | 1,979 |
| Oct 9, 2025 | 4.18 | 4.32 | 4.18 | 4.18 | 4.18 | - | 1,719 |
| Oct 8, 2025 | 4.18 | 4.20 | 4.15 | 4.18 | 4.18 | 1.21% | 5,585 |
| Oct 3, 2025 | 4.17 | 4.17 | 4.13 | 4.13 | 4.13 | -1.20% | 210 |
| Oct 2, 2025 | 4.18 | 4.18 | 4.18 | 4.18 | 4.18 | 0.48% | 597 |