ProtoSource Corporation (PSCO)
OTCMKTS · Delayed Price · Currency is USD
0.0092
0.00 (0.00%)
At close: Sep 8, 2026
ProtoSource Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | 1,000 |
| Sep 1, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | 1,000 |
| Aug 26, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | 1,000 |
| Aug 21, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 2.22% | 1,000 |
| Jul 20, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | 18,500 |
| Jul 13, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | - | 300 |
| Jul 10, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | -28.57% | 73,530 |
| Jul 7, 2026 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 20.00% | 200 |
| Jun 22, 2026 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | -35.19% | 11,000 |
| Jun 11, 2026 | 0.01 | 0.02 | 0.01 | 0.02 | 0.02 | - | 56,000 |
| Jun 10, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | -20.20% | 11,045 |
| Jun 4, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 16.00% | 60,522 |
| May 26, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 8.02% | 8,000 |
| May 19, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | -22.86% | 26,000 |
| May 14, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 3.45% | 1,702 |
| May 13, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | - | 220 |
| May 12, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | -3.33% | 500 |
| May 11, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 3.45% | 8,298 |
| May 8, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | - | 400 |
| Apr 30, 2026 | 0.04 | 0.04 | 0.02 | 0.02 | 0.02 | - | 2,150 |
| Apr 21, 2026 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | -21.92% | 39,300 |
| Apr 20, 2026 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | -49.81% | 800 |
| Apr 15, 2026 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 213.94% | 10,000 |