Compass Therapeutics, Inc. (CMPX)
NASDAQ: CMPX · Real-Time Price · USD
0.7610
-0.0405 (-5.05%)
At close: Oct 23, 2026, 4:00 PM EDT
0.7697
+0.0087 (1.14%)
After-hours: Oct 23, 2026, 7:30 PM EDT
Compass Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | 0.78 | 0.81 | 0.75 | 0.76 | 0.76 | -5.05% | 2,128,368 |
| Oct 22, 2026 | 0.81 | 0.84 | 0.78 | 0.80 | 0.80 | -1.60% | 2,173,546 |
| Oct 21, 2026 | 0.82 | 0.84 | 0.81 | 0.81 | 0.81 | -2.26% | 1,544,138 |
| Oct 20, 2026 | 0.83 | 0.87 | 0.82 | 0.83 | 0.83 | -0.20% | 1,883,132 |
| Oct 19, 2026 | 0.87 | 0.89 | 0.83 | 0.84 | 0.84 | -2.91% | 3,119,040 |
| Oct 16, 2026 | 0.90 | 0.91 | 0.86 | 0.86 | 0.86 | -4.09% | 2,038,934 |
| Oct 15, 2026 | 0.86 | 0.90 | 0.85 | 0.90 | 0.90 | 2.01% | 3,339,175 |
| Oct 14, 2026 | 0.83 | 0.88 | 0.82 | 0.88 | 0.88 | 2.57% | 4,969,084 |
| Oct 13, 2026 | 0.93 | 0.94 | 0.85 | 0.86 | 0.86 | -8.59% | 3,800,409 |
| Oct 12, 2026 | 0.99 | 0.99 | 0.92 | 0.94 | 0.94 | -5.59% | 4,436,731 |
| Oct 9, 2026 | 0.99 | 1.05 | 0.98 | 0.99 | 0.99 | 0.98% | 3,670,889 |
| Oct 8, 2026 | 1.01 | 1.01 | 0.96 | 0.98 | 0.98 | -3.59% | 7,042,690 |
| Oct 7, 2026 | 0.98 | 1.06 | 0.97 | 1.02 | 1.02 | 2.19% | 2,792,590 |
| Oct 6, 2026 | 0.99 | 1.02 | 0.94 | 1.00 | 1.00 | 3.90% | 7,286,326 |
| Oct 5, 2026 | 0.91 | 1.00 | 0.89 | 0.96 | 0.96 | 12.13% | 15,831,951 |
| Oct 2, 2026 | 0.94 | 0.98 | 0.83 | 0.86 | 0.86 | -4.93% | 20,754,217 |
| Oct 1, 2026 | 1.03 | 1.06 | 0.90 | 0.90 | 0.90 | -13.36% | 10,067,696 |
| Sep 30, 2026 | 1.10 | 1.10 | 1.02 | 1.04 | 1.04 | -5.45% | 5,656,969 |
| Sep 29, 2026 | 1.13 | 1.15 | 1.09 | 1.10 | 1.10 | -0.90% | 3,500,547 |
| Sep 28, 2026 | 1.15 | 1.15 | 1.10 | 1.11 | 1.11 | -1.77% | 3,704,884 |
| Sep 25, 2026 | 1.17 | 1.20 | 1.12 | 1.13 | 1.13 | -0.44% | 3,532,924 |
| Sep 24, 2026 | 1.17 | 1.17 | 1.10 | 1.14 | 1.14 | -2.99% | 4,539,648 |
| Sep 23, 2026 | 1.22 | 1.23 | 1.13 | 1.17 | 1.17 | -5.65% | 7,693,255 |
| Sep 22, 2026 | 1.25 | 1.44 | 1.15 | 1.24 | 1.24 | -31.87% | 27,202,788 |
| Sep 21, 2026 | 1.88 | 1.88 | 1.80 | 1.82 | 1.82 | -4.21% | 2,987,340 |
| Sep 18, 2026 | 1.86 | 1.90 | 1.81 | 1.90 | 1.90 | 2.70% | 8,210,036 |
| Sep 17, 2026 | 1.88 | 1.94 | 1.84 | 1.85 | 1.85 | 1.09% | 2,515,917 |
| Sep 16, 2026 | 1.87 | 1.90 | 1.80 | 1.83 | 1.83 | -1.08% | 2,242,999 |
| Sep 15, 2026 | 1.98 | 1.98 | 1.85 | 1.85 | 1.85 | -5.61% | 2,440,059 |
| Sep 14, 2026 | 2.03 | 2.04 | 1.96 | 1.96 | 1.96 | -2.00% | 2,278,976 |
| Sep 11, 2026 | 2.08 | 2.09 | 1.96 | 2.00 | 2.00 | -2.44% | 4,828,614 |
| Sep 10, 2026 | 2.17 | 2.17 | 2.04 | 2.05 | 2.05 | -5.96% | 2,541,061 |
| Sep 9, 2026 | 2.22 | 2.25 | 2.17 | 2.18 | 2.18 | -1.36% | 2,614,911 |
| Sep 8, 2026 | 2.32 | 2.33 | 2.20 | 2.21 | 2.21 | -7.14% | 2,428,040 |
| Sep 4, 2026 | 2.34 | 2.45 | 2.33 | 2.38 | 2.38 | 0.42% | 2,548,324 |
| Sep 3, 2026 | 2.44 | 2.44 | 2.35 | 2.37 | 2.37 | -2.47% | 2,559,952 |
| Sep 2, 2026 | 2.31 | 2.46 | 2.31 | 2.43 | 2.43 | 5.19% | 2,539,819 |
| Sep 1, 2026 | 2.37 | 2.40 | 2.29 | 2.31 | 2.31 | -3.35% | 1,512,903 |
| Aug 31, 2026 | 2.40 | 2.40 | 2.31 | 2.39 | 2.39 | -0.42% | 3,523,042 |
| Aug 28, 2026 | 2.51 | 2.51 | 2.40 | 2.40 | 2.40 | -4.76% | 2,567,637 |
| Aug 27, 2026 | 2.44 | 2.53 | 2.40 | 2.52 | 2.52 | 3.70% | 1,941,408 |
| Aug 26, 2026 | 2.51 | 2.52 | 2.41 | 2.43 | 2.43 | -3.95% | 1,445,009 |
| Aug 25, 2026 | 2.40 | 2.55 | 2.39 | 2.53 | 2.53 | 5.42% | 2,295,274 |
| Aug 24, 2026 | 2.42 | 2.43 | 2.32 | 2.40 | 2.40 | - | 974,876 |
| Aug 21, 2026 | 2.39 | 2.45 | 2.33 | 2.40 | 2.40 | 1.69% | 2,032,331 |
| Aug 20, 2026 | 2.42 | 2.46 | 2.31 | 2.36 | 2.36 | -4.84% | 2,179,350 |
| Aug 19, 2026 | 2.42 | 2.52 | 2.41 | 2.48 | 2.48 | 3.77% | 3,903,263 |
| Aug 18, 2026 | 2.28 | 2.44 | 2.24 | 2.39 | 2.39 | 3.46% | 2,934,326 |
| Aug 17, 2026 | 2.20 | 2.37 | 2.20 | 2.31 | 2.31 | 2.67% | 2,369,229 |
| Aug 14, 2026 | 2.30 | 2.30 | 2.23 | 2.25 | 2.25 | -0.44% | 1,362,180 |