Amkor Technology, Inc. (AMKR)
NASDAQ: AMKR · Real-Time Price · USD
32.16
-1.02 (-3.07%)
At close: Oct 28, 2025, 4:00 PM EDT
32.50
+0.34 (1.06%)
After-hours: Oct 28, 2025, 7:58 PM EDT

Amkor Technology Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 28, 202530.6132.9829.5032.1632.16-3.07%9,760,013
Oct 27, 202533.6033.8232.9733.1833.181.25%4,820,337
Oct 24, 202532.9533.3332.4232.7732.772.47%3,169,490
Oct 23, 202530.5032.1930.4431.9831.983.93%1,613,093
Oct 22, 202531.6731.9230.2630.7730.77-4.29%2,310,642
Oct 21, 202532.1332.4931.6832.1532.15-0.40%2,077,973
Oct 20, 202532.1532.7531.9532.2832.283.16%2,009,327
Oct 17, 202531.0431.4930.5931.2931.29-0.67%1,919,111
Oct 16, 202532.9332.9331.0931.5031.500.70%3,730,031
Oct 15, 202530.5731.3430.2331.2831.284.58%2,395,686
Oct 14, 202529.4130.4329.3929.9129.91-1.81%2,393,154
Oct 13, 202530.0530.5229.7130.4630.467.78%2,394,941
Oct 10, 202531.0931.3928.1928.2628.26-7.74%5,046,108
Oct 9, 202530.6230.9530.0330.6330.630.07%2,209,127
Oct 8, 202529.7630.6929.7030.6130.612.89%2,907,621
Oct 7, 202533.5433.5429.3329.7529.75-2.68%5,731,193
Oct 6, 202530.4430.6730.1530.5730.574.05%2,468,918
Oct 3, 202529.7630.0429.1629.3829.38-0.88%2,045,400
Oct 2, 202530.1730.1729.3429.6429.640.58%1,394,962
Oct 1, 202528.2429.5528.1729.4729.473.77%2,005,860
Sep 30, 202528.4728.8128.0328.4028.40-0.42%2,088,624
Sep 29, 202529.3129.4528.5028.5228.52-1.74%2,411,985
Sep 26, 202529.1929.4728.7529.0329.03-0.46%1,642,599
Sep 25, 202528.7829.3428.3229.1629.16-0.66%1,729,800
Sep 24, 202529.3929.7128.9629.3629.36-0.76%1,725,397
Sep 23, 202529.6730.3529.4529.5829.580.17%2,542,671
Sep 22, 202528.4929.9928.4229.5329.534.31%3,021,846
Sep 19, 202529.3129.3928.2428.3128.31-2.91%5,206,847
Sep 18, 202527.8829.1927.5529.1629.169.54%4,287,652
Sep 17, 202526.8527.1926.1626.6226.62-1.55%2,250,419
Sep 16, 202527.9228.2226.4827.0427.045.30%3,734,644
Sep 15, 202525.8726.0025.5225.6825.680.86%1,539,280
Sep 12, 202525.3425.6024.9725.4625.460.32%1,630,116
Sep 11, 202524.9025.4124.8625.3825.382.38%2,527,861
Sep 10, 202525.3725.3724.6024.7924.79-0.32%2,847,784
Sep 9, 202524.9925.3824.7824.8724.870.16%3,273,167
Sep 8, 202524.6425.1324.6024.8324.830.77%2,371,910
Sep 5, 202524.6024.8224.1824.6424.641.44%2,369,607
Sep 4, 202523.6224.3423.3824.2924.292.06%1,352,371
Sep 3, 202523.8924.3523.6123.8023.80-0.42%2,376,077
Sep 2, 202523.4423.9423.3723.9023.82-1.20%1,412,047
Aug 29, 202524.5424.6123.9624.1924.11-1.91%1,501,003
Aug 28, 202524.5924.8024.4424.6624.580.33%1,460,182
Aug 27, 202524.4724.6124.2724.5824.500.90%1,557,664
Aug 26, 202524.1724.5324.1424.3624.280.87%1,768,664
Aug 25, 202524.0324.2823.8824.1524.070.25%1,279,323
Aug 22, 202523.2324.5323.2224.0924.013.79%2,201,700
Aug 21, 202522.8923.2322.8123.2123.130.91%1,369,542
Aug 20, 202523.6423.7322.7423.0022.92-3.12%1,969,129
Aug 19, 202524.1024.3123.6223.7423.66-1.29%1,557,511