OmniAb, Inc. (OABI)
NASDAQ: OABI · Real-Time Price · USD
5.11
-0.12 (-2.29%)
At close: Oct 30, 2026, 4:00 PM EDT
5.01
-0.10 (-1.96%)
After-hours: Oct 30, 2026, 7:43 PM EDT
OmniAb Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 4.40 | 5.11 | 4.35 | 5.11 | 5.11 | -2.29% | 2,114,011 |
| Oct 29, 2026 | 5.35 | 5.41 | 5.14 | 5.23 | 5.23 | -0.95% | 1,683,583 |
| Oct 28, 2026 | 4.92 | 5.29 | 4.91 | 5.28 | 5.28 | 6.45% | 1,584,179 |
| Oct 27, 2026 | 4.61 | 4.98 | 4.55 | 4.96 | 4.96 | 7.59% | 1,113,229 |
| Oct 26, 2026 | 4.66 | 4.72 | 4.53 | 4.61 | 4.61 | -1.07% | 971,630 |
| Oct 23, 2026 | 4.70 | 4.79 | 4.52 | 4.66 | 4.66 | -2.51% | 1,283,244 |
| Oct 22, 2026 | 4.91 | 5.06 | 4.71 | 4.78 | 4.78 | -2.75% | 1,336,585 |
| Oct 21, 2026 | 4.96 | 5.13 | 4.80 | 4.92 | 4.92 | -0.91% | 3,176,487 |
| Oct 20, 2026 | 4.74 | 5.11 | 4.74 | 4.96 | 4.96 | 5.76% | 1,930,932 |
| Oct 19, 2026 | 4.53 | 4.76 | 4.52 | 4.69 | 4.69 | 2.18% | 892,406 |
| Oct 16, 2026 | 4.73 | 4.82 | 4.51 | 4.59 | 4.59 | -2.96% | 969,609 |
| Oct 15, 2026 | 4.60 | 4.76 | 4.53 | 4.73 | 4.73 | 3.96% | 820,688 |
| Oct 14, 2026 | 4.62 | 4.83 | 4.53 | 4.55 | 4.55 | -3.19% | 737,808 |
| Oct 13, 2026 | 4.76 | 4.82 | 4.62 | 4.70 | 4.70 | -1.47% | 809,483 |
| Oct 12, 2026 | 4.77 | 4.85 | 4.64 | 4.77 | 4.77 | -0.42% | 988,625 |
| 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% | 1,534,668 |
| Oct 7, 2026 | 4.35 | 4.75 | 4.30 | 4.56 | 4.56 | 4.83% | 1,498,537 |
| Oct 6, 2026 | 4.85 | 5.00 | 4.22 | 4.35 | 4.35 | -11.59% | 2,002,425 |
| Oct 5, 2026 | 4.83 | 5.02 | 4.64 | 4.92 | 4.92 | 1.03% | 1,216,107 |
| Oct 2, 2026 | 5.04 | 5.09 | 4.81 | 4.87 | 4.87 | -2.40% | 1,623,653 |
| Oct 1, 2026 | 4.94 | 5.06 | 4.84 | 4.99 | 4.99 | 0.60% | 1,981,635 |
| Sep 30, 2026 | 4.76 | 5.05 | 4.72 | 4.96 | 4.96 | 4.64% | 1,928,780 |
| Sep 29, 2026 | 4.74 | 4.95 | 4.62 | 4.74 | 4.74 | - | 1,391,929 |
| 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 |