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IO Biotech, Inc. (IOBT)
NASDAQ: IOBT · Real-Time Price · USD
0.697
+0.019 (2.74%)
At close: Dec 5, 2025, 4:00 PM EST
0.714
+0.017 (2.45%)
After-hours: Dec 5, 2025, 7:59 PM EST

IO Biotech Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 20250.720.760.680.700.702.74%1,036,157
Dec 4, 20250.670.720.660.680.685.75%1,014,904
Dec 3, 20250.640.660.600.640.641.38%1,086,482
Dec 2, 20250.680.690.590.630.63-7.26%1,307,316
Dec 1, 20250.720.730.650.680.68-5.23%1,199,377
Nov 28, 20250.770.780.710.720.72-1.96%612,806
Nov 26, 20250.750.770.730.730.730.94%386,058
Nov 25, 20250.770.790.690.730.73-7.84%1,007,208
Nov 24, 20250.780.830.740.790.79-0.75%401,499
Nov 21, 20250.720.810.700.800.807.62%716,717
Nov 20, 20250.760.800.720.740.74-1.70%319,143
Nov 19, 20250.800.830.750.750.75-8.90%348,736
Nov 18, 20250.680.840.680.830.8325.04%1,150,639
Nov 17, 20250.800.830.630.660.66-20.28%2,531,609
Nov 14, 20250.780.840.770.830.831.71%414,842
Nov 13, 20250.840.860.800.810.81-1.05%549,227
Nov 12, 20250.900.900.810.820.82-6.00%622,740
Nov 11, 20250.850.930.840.870.87-0.10%920,303
Nov 10, 20250.900.970.840.880.88-2.88%1,078,830
Nov 7, 20250.800.930.780.900.906.96%1,687,926
Nov 6, 20250.860.880.810.840.84-5.26%453,981
Nov 5, 20250.840.900.810.890.896.09%810,463
Nov 4, 20250.900.910.830.840.84-7.90%702,383
Nov 3, 20251.031.030.890.910.91-12.44%1,338,967
Oct 31, 20250.881.070.881.041.0420.62%2,098,431
Oct 30, 20250.840.890.790.860.86-1.42%1,123,949
Oct 29, 20250.880.900.830.870.87-2.93%1,214,760
Oct 28, 20250.930.950.860.900.90-0.87%1,393,353
Oct 27, 20250.950.990.880.910.91-9.11%2,045,382
Oct 24, 20251.031.060.961.001.00-1,482,286
Oct 23, 20251.151.150.931.001.00-14.53%3,607,812
Oct 22, 20250.991.230.931.171.1714.71%7,758,302
Oct 21, 20250.791.030.751.021.0224.36%8,351,724
Oct 20, 20250.910.910.690.820.8225.18%71,028,467
Oct 17, 20250.780.790.620.660.66-14.49%2,126,116
Oct 16, 20250.700.770.630.770.7715.01%3,426,871
Oct 15, 20250.680.720.640.670.673.80%3,146,564
Oct 14, 20250.580.640.550.640.6410.52%2,223,186
Oct 13, 20250.560.600.550.580.585.18%1,668,159
Oct 10, 20250.580.650.550.550.554.29%5,269,772
Oct 9, 20250.500.530.500.530.535.80%1,948,411
Oct 8, 20250.500.510.470.500.50-2.76%1,580,536
Oct 7, 20250.500.530.450.510.516.83%3,198,667
Oct 6, 20250.500.550.480.480.48-0.06%4,321,391
Oct 3, 20250.470.500.440.480.4810.80%5,573,318
Oct 2, 20250.370.490.360.440.4422.26%16,823,017
Oct 1, 20250.370.370.350.360.36-2.01%3,713,684
Sep 30, 20250.380.380.360.360.36-0.55%6,583,480
Sep 29, 20250.360.480.320.370.37-76.89%36,726,221
Sep 26, 20251.591.601.541.581.58-580,659
Sep 25, 20251.561.601.541.581.58-525,780
Sep 24, 20251.601.671.551.581.58-1.25%1,281,110
Sep 23, 20251.541.631.511.601.607.38%1,693,185
Sep 22, 20251.571.601.481.491.49-4.49%805,670
Sep 19, 20251.651.661.531.561.56-3.70%1,628,334
Sep 18, 20251.741.781.591.621.62-5.26%1,745,294
Sep 17, 20251.741.801.701.711.71-0.58%943,491
Sep 16, 20251.811.831.711.721.72-6.52%1,405,446
Sep 15, 20252.052.051.801.841.84-11.54%1,271,399
Sep 12, 20251.902.081.902.082.088.90%1,120,400
Sep 11, 20251.801.971.791.911.917.91%1,207,881
Sep 10, 20251.801.851.761.771.77-1.67%738,876
Sep 9, 20251.771.821.711.801.80-595,281
Sep 8, 20251.991.991.761.801.80-7.69%795,531
Sep 5, 20251.792.001.791.951.959.55%1,694,377
Sep 4, 20251.771.841.731.781.781.71%906,010
Sep 3, 20251.681.761.671.751.754.79%2,846,702
Sep 2, 20251.591.771.561.671.675.70%1,063,040
Aug 29, 20251.561.621.531.581.58-510,342
Aug 28, 20251.661.701.571.581.58-5.95%714,196
Aug 27, 20251.741.771.621.681.68-2.33%907,785
Aug 26, 20251.711.741.671.721.720.58%609,668
Aug 25, 20251.721.761.651.711.71-1.72%1,120,237
Aug 22, 20251.761.881.721.741.74-1.69%1,453,551
Aug 21, 20251.901.941.751.771.77-5.85%1,225,753
Aug 20, 20252.052.061.861.881.88-8.29%2,017,276
Aug 19, 20252.022.431.962.052.05-1.91%2,765,310
Aug 18, 20252.352.792.052.092.09-3.24%13,717,218
Aug 15, 20251.402.211.332.162.1668.75%37,965,452
Aug 14, 20251.331.411.231.281.28-2.29%3,333,019
Aug 13, 20251.261.371.221.311.31-2,555,486
Aug 12, 20251.111.571.061.311.3124.76%20,100,274
Aug 11, 20251.882.040.981.051.05-41.99%82,891,208
Aug 8, 20251.872.031.801.811.81-4.23%358,354
Aug 7, 20251.982.051.821.891.89-3.57%364,745
Aug 6, 20252.142.201.951.961.96-8.84%289,145
Aug 5, 20252.162.202.092.152.15-180,421
Aug 4, 20252.152.202.062.152.15-3.15%406,022
Aug 1, 20252.192.252.102.222.22-0.45%192,601
Jul 31, 20252.112.272.062.232.235.19%495,444
Jul 30, 20252.252.352.102.122.12-3.20%332,164
Jul 29, 20252.382.382.182.192.19-8.75%870,513
Jul 28, 20252.112.482.062.402.4016.50%2,185,645
Jul 25, 20251.972.081.912.062.066.74%406,462
Jul 24, 20252.042.151.911.931.93-1,014,990
Jul 23, 20251.972.001.921.931.93-1.03%339,743
Jul 22, 20252.012.041.881.951.95-3.47%252,832
Jul 21, 20252.122.242.002.022.02-1.46%388,768
Jul 18, 20252.002.141.792.052.052.50%760,508
Jul 17, 20251.912.001.762.002.005.82%927,239