IO Biotech, Inc. (IOBT)
NASDAQ: IOBT · Real-Time Price · USD
0.8746
-0.0264 (-2.93%)
At close: Oct 29, 2025, 4:00 PM EDT
0.8512
-0.0234 (-2.68%)
Pre-market: Oct 30, 2025, 7:24 AM EDT
IO Biotech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 29, 2025 | 0.88 | 0.90 | 0.83 | 0.87 | 0.87 | -2.93% | 1,214,760 |
| Oct 28, 2025 | 0.93 | 0.95 | 0.86 | 0.90 | 0.90 | -0.87% | 1,393,353 |
| Oct 27, 2025 | 0.95 | 0.99 | 0.88 | 0.91 | 0.91 | -9.11% | 2,045,382 |
| Oct 24, 2025 | 1.03 | 1.06 | 0.96 | 1.00 | 1.00 | - | 1,482,286 |
| Oct 23, 2025 | 1.15 | 1.15 | 0.93 | 1.00 | 1.00 | -14.53% | 3,607,812 |
| Oct 22, 2025 | 0.99 | 1.23 | 0.93 | 1.17 | 1.17 | 14.71% | 7,758,302 |
| Oct 21, 2025 | 0.79 | 1.03 | 0.75 | 1.02 | 1.02 | 24.36% | 8,351,724 |
| Oct 20, 2025 | 0.91 | 0.91 | 0.69 | 0.82 | 0.82 | 25.18% | 71,028,467 |
| Oct 17, 2025 | 0.78 | 0.79 | 0.62 | 0.66 | 0.66 | -14.49% | 2,126,116 |
| Oct 16, 2025 | 0.70 | 0.77 | 0.63 | 0.77 | 0.77 | 15.01% | 3,426,871 |
| Oct 15, 2025 | 0.68 | 0.72 | 0.64 | 0.67 | 0.67 | 3.80% | 3,146,564 |
| Oct 14, 2025 | 0.58 | 0.64 | 0.55 | 0.64 | 0.64 | 10.52% | 2,223,186 |
| Oct 13, 2025 | 0.56 | 0.60 | 0.55 | 0.58 | 0.58 | 5.18% | 1,668,159 |
| Oct 10, 2025 | 0.58 | 0.65 | 0.55 | 0.55 | 0.55 | 4.29% | 5,269,772 |
| Oct 9, 2025 | 0.50 | 0.53 | 0.50 | 0.53 | 0.53 | 5.80% | 1,948,411 |
| Oct 8, 2025 | 0.50 | 0.51 | 0.47 | 0.50 | 0.50 | -2.76% | 1,580,536 |
| Oct 7, 2025 | 0.50 | 0.53 | 0.45 | 0.51 | 0.51 | 6.83% | 3,198,667 |
| Oct 6, 2025 | 0.50 | 0.55 | 0.48 | 0.48 | 0.48 | -0.06% | 4,321,391 |
| Oct 3, 2025 | 0.47 | 0.50 | 0.44 | 0.48 | 0.48 | 10.80% | 5,573,318 |
| Oct 2, 2025 | 0.37 | 0.49 | 0.36 | 0.44 | 0.44 | 22.26% | 16,823,017 |
| Oct 1, 2025 | 0.37 | 0.37 | 0.35 | 0.36 | 0.36 | -2.01% | 3,713,684 |
| Sep 30, 2025 | 0.38 | 0.38 | 0.36 | 0.36 | 0.36 | -0.55% | 6,583,480 |
| Sep 29, 2025 | 0.36 | 0.48 | 0.32 | 0.37 | 0.37 | -76.89% | 35,922,469 |
| Sep 26, 2025 | 1.59 | 1.60 | 1.54 | 1.58 | 1.58 | - | 580,659 |
| Sep 25, 2025 | 1.56 | 1.60 | 1.54 | 1.58 | 1.58 | - | 525,780 |
| Sep 24, 2025 | 1.60 | 1.67 | 1.55 | 1.58 | 1.58 | -1.25% | 1,281,110 |
| Sep 23, 2025 | 1.54 | 1.63 | 1.51 | 1.60 | 1.60 | 7.38% | 1,693,185 |
| Sep 22, 2025 | 1.57 | 1.60 | 1.48 | 1.49 | 1.49 | -4.49% | 805,670 |
| Sep 19, 2025 | 1.65 | 1.66 | 1.53 | 1.56 | 1.56 | -3.70% | 1,628,334 |
| Sep 18, 2025 | 1.74 | 1.78 | 1.59 | 1.62 | 1.62 | -5.26% | 1,745,294 |
| Sep 17, 2025 | 1.74 | 1.80 | 1.70 | 1.71 | 1.71 | -0.58% | 943,491 |
| Sep 16, 2025 | 1.81 | 1.83 | 1.71 | 1.72 | 1.72 | -6.52% | 1,405,446 |
| Sep 15, 2025 | 2.05 | 2.05 | 1.80 | 1.84 | 1.84 | -11.54% | 1,271,399 |
| Sep 12, 2025 | 1.90 | 2.08 | 1.90 | 2.08 | 2.08 | 8.90% | 1,120,400 |
| Sep 11, 2025 | 1.80 | 1.97 | 1.79 | 1.91 | 1.91 | 7.91% | 1,207,881 |
| Sep 10, 2025 | 1.80 | 1.85 | 1.76 | 1.77 | 1.77 | -1.67% | 738,876 |
| Sep 9, 2025 | 1.77 | 1.82 | 1.71 | 1.80 | 1.80 | - | 595,281 |
| Sep 8, 2025 | 1.99 | 1.99 | 1.76 | 1.80 | 1.80 | -7.69% | 795,531 |
| Sep 5, 2025 | 1.79 | 2.00 | 1.79 | 1.95 | 1.95 | 9.55% | 1,694,377 |
| Sep 4, 2025 | 1.77 | 1.84 | 1.73 | 1.78 | 1.78 | 1.71% | 906,010 |
| Sep 3, 2025 | 1.68 | 1.76 | 1.67 | 1.75 | 1.75 | 4.79% | 2,842,436 |
| Sep 2, 2025 | 1.59 | 1.77 | 1.56 | 1.67 | 1.67 | 5.70% | 1,063,040 |
| Aug 29, 2025 | 1.56 | 1.62 | 1.53 | 1.58 | 1.58 | - | 510,342 |
| Aug 28, 2025 | 1.66 | 1.70 | 1.57 | 1.58 | 1.58 | -5.95% | 714,196 |
| Aug 27, 2025 | 1.74 | 1.77 | 1.62 | 1.68 | 1.68 | -2.33% | 907,785 |
| Aug 26, 2025 | 1.71 | 1.74 | 1.67 | 1.72 | 1.72 | 0.58% | 609,668 |
| Aug 25, 2025 | 1.72 | 1.76 | 1.65 | 1.71 | 1.71 | -1.72% | 1,120,237 |
| Aug 22, 2025 | 1.76 | 1.88 | 1.72 | 1.74 | 1.74 | -1.69% | 1,453,551 |
| Aug 21, 2025 | 1.90 | 1.94 | 1.75 | 1.77 | 1.77 | -5.85% | 1,225,753 |
| Aug 20, 2025 | 2.05 | 2.06 | 1.86 | 1.88 | 1.88 | -8.29% | 2,017,276 |