Rubicon Technology, Inc. (RBCN)
OTCMKTS · Delayed Price · Currency is USD
5.30
0.00 (0.00%)
Jul 30, 2026, 4:00 PM EST
Rubicon Technology Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 30, 2026 | 5.30 | 5.30 | 5.30 | 5.30 | - | - | 120 |
| Jul 29, 2026 | 5.30 | 5.30 | 5.30 | 5.30 | 5.30 | -0.38% | 130 |
| Jul 27, 2026 | 5.32 | 5.32 | 5.32 | 5.32 | 5.32 | - | 198 |
| Jul 23, 2026 | 5.32 | 5.32 | 5.30 | 5.32 | 5.32 | -8.28% | 7,153 |
| Jul 21, 2026 | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 4.69% | 193 |
| Jul 17, 2026 | 5.32 | 5.55 | 5.32 | 5.54 | 5.54 | 4.14% | 1,447 |
| Jul 16, 2026 | 5.32 | 5.32 | 5.32 | 5.32 | 5.32 | 1.14% | 130 |
| Jul 14, 2026 | 5.26 | 5.26 | 5.26 | 5.26 | 5.26 | -3.84% | 134 |
| Jul 10, 2026 | 5.47 | 5.47 | 5.47 | 5.47 | 5.47 | 0.37% | 168 |
| Jul 9, 2026 | 5.45 | 5.45 | 5.45 | 5.45 | 5.45 | -2.68% | 1,450 |
| Jul 6, 2026 | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | - | 179 |
| Jul 2, 2026 | 5.60 | 5.60 | 5.57 | 5.60 | 5.60 | -3.45% | 1,229 |
| Jun 30, 2026 | 5.51 | 5.80 | 5.51 | 5.80 | 5.80 | 0.25% | 2,373 |
| Jun 26, 2026 | 5.45 | 5.84 | 5.45 | 5.79 | 5.79 | 0.27% | 651 |
| Jun 25, 2026 | 5.77 | 5.77 | 5.77 | 5.77 | 5.77 | - | 1,441 |
| Jun 24, 2026 | 5.77 | 5.80 | 5.77 | 5.77 | 5.77 | - | 967 |
| Jun 23, 2026 | 5.45 | 5.77 | 5.45 | 5.77 | 5.77 | 1.50% | 414 |
| Jun 12, 2026 | 5.68 | 5.68 | 5.68 | 5.68 | 5.68 | 6.25% | 152 |
| Jun 11, 2026 | 5.35 | 5.35 | 5.25 | 5.35 | 5.35 | -1.11% | 487 |
| Jun 8, 2026 | 5.12 | 5.41 | 5.12 | 5.41 | 5.41 | -5.06% | 1,345 |
| Jun 4, 2026 | 5.15 | 5.77 | 5.11 | 5.70 | 5.70 | -1.75% | 1,627 |
| Jun 3, 2026 | 5.60 | 5.80 | 5.60 | 5.80 | 5.80 | 3.57% | 2,731 |
| Jun 2, 2026 | 5.63 | 5.75 | 5.60 | 5.60 | 5.60 | -2.61% | 2,271 |
| Jun 1, 2026 | 5.75 | 5.75 | 5.75 | 5.75 | 5.75 | 4.55% | 221 |
| May 29, 2026 | 5.55 | 5.70 | 5.50 | 5.50 | 5.50 | -0.75% | 4,858 |
| May 26, 2026 | 5.53 | 5.54 | 4.91 | 5.54 | 5.54 | 0.03% | 3,127 |
| May 21, 2026 | 4.69 | 5.54 | 4.69 | 5.54 | 5.54 | 25.91% | 2,660 |
| May 19, 2026 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | - | 1,945 |
| May 18, 2026 | 4.55 | 4.55 | 4.40 | 4.40 | 4.40 | -2.22% | 6,725 |
| May 15, 2026 | 4.45 | 4.50 | 4.43 | 4.50 | 4.50 | - | 81,536 |
| May 14, 2026 | 4.51 | 4.55 | 4.41 | 4.50 | 4.50 | -2.17% | 25,738 |
| May 13, 2026 | 4.32 | 4.60 | 4.32 | 4.60 | 4.60 | 6.73% | 6,522 |
| May 12, 2026 | 4.58 | 4.58 | 4.31 | 4.31 | 4.31 | -2.63% | 3,240 |
| May 11, 2026 | 4.20 | 4.45 | 4.20 | 4.43 | 4.43 | 10.65% | 35,804 |
| May 8, 2026 | 3.90 | 4.00 | 3.90 | 4.00 | 4.00 | - | 4,450 |
| May 7, 2026 | 4.00 | 4.00 | 3.95 | 4.00 | 4.00 | - | 6,123 |
| May 6, 2026 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 5.26% | 7,279 |
| May 1, 2026 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 2.70% | 101 |
| Apr 29, 2026 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | -5.85% | 1,001 |
| Apr 24, 2026 | 3.65 | 3.95 | 3.65 | 3.93 | 3.93 | 7.67% | 1,399 |
| Apr 22, 2026 | 3.51 | 3.65 | 3.51 | 3.65 | 3.65 | 3.69% | 3,344 |
| Apr 21, 2026 | 3.51 | 3.52 | 3.51 | 3.52 | 3.52 | -0.85% | 331 |
| Apr 20, 2026 | 3.55 | 3.55 | 3.55 | 3.55 | 3.55 | 6.61% | 342 |
| Apr 17, 2026 | 3.33 | 3.33 | 3.33 | 3.33 | 3.33 | 0.15% | 253 |
| Apr 16, 2026 | 3.20 | 3.33 | 3.15 | 3.33 | 3.33 | 5.22% | 13,905 |
| 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 |