OmniAb, Inc. (OABI)
NASDAQ: OABI · Real-Time Price · USD
4.790
+0.130 (2.79%)
At close: Oct 9, 2026, 4:00 PM EDT
4.890
+0.100 (2.09%)
After-hours: Oct 9, 2026, 7:51 PM EDT
OmniAb Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | 4.66 | 4.92 | 4.59 | 4.79 | 4.79 | 2.79% | 1,039,170 |
| Oct 8, 2026 | 4.41 | 4.66 | 4.22 | 4.66 | 4.66 | 2.19% | 1,529,270 |
| Oct 7, 2026 | 4.35 | 4.75 | 4.30 | 4.56 | 4.56 | 4.83% | 1,495,033 |
| Oct 6, 2026 | 4.85 | 5.00 | 4.22 | 4.35 | 4.35 | -11.59% | 1,996,860 |
| Oct 5, 2026 | 4.83 | 5.02 | 4.64 | 4.92 | 4.92 | 1.03% | 1,214,896 |
| Oct 2, 2026 | 5.04 | 5.09 | 4.81 | 4.87 | 4.87 | -2.40% | 1,623,346 |
| Oct 1, 2026 | 4.94 | 5.06 | 4.84 | 4.99 | 4.99 | 0.60% | 1,981,452 |
| Sep 30, 2026 | 4.76 | 5.05 | 4.72 | 4.96 | 4.96 | 4.64% | 1,928,252 |
| Sep 29, 2026 | 4.74 | 4.95 | 4.62 | 4.74 | 4.74 | - | 1,391,876 |
| Sep 28, 2026 | 4.61 | 4.81 | 4.55 | 4.74 | 4.74 | 2.82% | 674,965 |
| Sep 25, 2026 | 4.82 | 4.84 | 4.59 | 4.61 | 4.61 | -3.76% | 783,591 |
| Sep 24, 2026 | 4.75 | 4.87 | 4.63 | 4.79 | 4.79 | - | 1,044,897 |
| Sep 23, 2026 | 4.90 | 5.00 | 4.69 | 4.79 | 4.79 | -2.64% | 1,050,908 |
| Sep 22, 2026 | 4.61 | 4.93 | 4.55 | 4.92 | 4.92 | 7.42% | 1,375,228 |
| Sep 21, 2026 | 4.50 | 4.64 | 4.45 | 4.58 | 4.58 | 2.46% | 1,364,401 |
| Sep 18, 2026 | 4.43 | 4.50 | 4.30 | 4.47 | 4.47 | 0.68% | 1,862,358 |
| Sep 17, 2026 | 4.44 | 4.46 | 4.25 | 4.44 | 4.44 | 2.07% | 983,971 |
| Sep 16, 2026 | 4.38 | 4.45 | 4.27 | 4.35 | 4.35 | - | 1,064,669 |
| Sep 15, 2026 | 4.43 | 4.43 | 4.24 | 4.35 | 4.35 | -2.90% | 788,807 |
| Sep 14, 2026 | 4.13 | 4.54 | 4.12 | 4.48 | 4.48 | 10.07% | 1,599,152 |
| Sep 11, 2026 | 3.97 | 4.11 | 3.89 | 4.07 | 4.07 | 3.04% | 1,315,827 |
| Sep 10, 2026 | 3.92 | 4.08 | 3.91 | 3.95 | 3.95 | -1.62% | 1,393,823 |
| Sep 9, 2026 | 4.21 | 4.27 | 3.97 | 4.02 | 4.02 | -5.31% | 1,203,377 |
| Sep 8, 2026 | 4.30 | 4.33 | 4.14 | 4.24 | 4.24 | -2.08% | 1,273,146 |
| Sep 4, 2026 | 4.78 | 4.78 | 4.28 | 4.33 | 4.33 | -8.84% | 1,703,973 |
| Sep 3, 2026 | 5.08 | 5.08 | 4.63 | 4.75 | 4.75 | -5.75% | 2,011,179 |
| Sep 2, 2026 | 4.47 | 5.43 | 4.47 | 5.04 | 5.04 | 13.51% | 5,084,227 |
| Sep 1, 2026 | 4.35 | 4.45 | 4.32 | 4.44 | 4.44 | 1.37% | 1,156,203 |
| Aug 31, 2026 | 4.44 | 4.46 | 4.33 | 4.38 | 4.38 | -2.01% | 1,179,889 |
| Aug 28, 2026 | 4.54 | 4.58 | 4.42 | 4.47 | 4.47 | -3.04% | 1,297,190 |
| Aug 27, 2026 | 4.81 | 4.81 | 4.56 | 4.61 | 4.61 | -4.16% | 1,282,690 |
| Aug 26, 2026 | 4.70 | 4.93 | 4.64 | 4.81 | 4.81 | 3.22% | 1,443,086 |
| Aug 25, 2026 | 4.68 | 4.78 | 4.58 | 4.66 | 4.66 | -1.06% | 1,467,054 |
| Aug 24, 2026 | 4.40 | 4.71 | 4.20 | 4.71 | 4.71 | 8.78% | 1,941,317 |
| Aug 21, 2026 | 4.31 | 4.54 | 4.14 | 4.33 | 4.33 | 0.70% | 1,852,770 |
| Aug 20, 2026 | 4.19 | 4.59 | 4.16 | 4.30 | 4.30 | 2.63% | 2,253,122 |
| Aug 19, 2026 | 3.95 | 4.19 | 3.83 | 4.19 | 4.19 | 6.89% | 2,872,344 |
| Aug 18, 2026 | 3.84 | 4.19 | 3.79 | 3.92 | 3.92 | 2.62% | 3,247,821 |
| Aug 17, 2026 | 4.19 | 4.29 | 3.72 | 3.82 | 3.82 | 13.02% | 18,348,520 |
| Aug 14, 2026 | 3.40 | 3.45 | 3.30 | 3.38 | 3.38 | -1.46% | 554,415 |
| Aug 13, 2026 | 3.44 | 3.64 | 3.41 | 3.43 | 3.43 | 0.29% | 922,411 |
| Aug 12, 2026 | 3.39 | 3.49 | 3.34 | 3.42 | 3.42 | 1.18% | 794,029 |
| Aug 11, 2026 | 3.33 | 3.55 | 3.30 | 3.38 | 3.38 | -0.29% | 1,191,343 |
| Aug 10, 2026 | 3.14 | 3.44 | 2.99 | 3.39 | 3.39 | 10.06% | 1,841,350 |
| Aug 7, 2026 | 2.37 | 3.12 | 2.35 | 3.08 | 3.08 | 37.50% | 2,681,407 |
| Aug 6, 2026 | 2.04 | 2.27 | 2.04 | 2.24 | 2.24 | 10.34% | 702,753 |
| Aug 5, 2026 | 2.01 | 2.10 | 1.98 | 2.03 | 2.03 | 1.50% | 441,841 |
| Aug 4, 2026 | 1.96 | 2.04 | 1.94 | 2.00 | 2.00 | 2.04% | 352,542 |
| Aug 3, 2026 | 2.01 | 2.01 | 1.95 | 1.96 | 1.96 | -1.01% | 228,576 |
| Jul 31, 2026 | 1.99 | 2.04 | 1.90 | 1.98 | 1.98 | -0.50% | 275,282 |