ATI Inc. (ATI)
NYSE: ATI · Real-Time Price · USD
100.41
+0.01 (0.01%)
At close: Dec 5, 2025, 4:00 PM EST
100.39
-0.02 (-0.02%)
After-hours: Dec 5, 2025, 7:38 PM EST

ATI Inc. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 2025101.26101.2699.00100.41100.410.01%906,532
Dec 4, 202598.08100.4697.60100.40100.402.06%1,141,690
Dec 3, 202599.16100.6597.1498.3798.37-0.29%1,237,147
Dec 2, 202599.92100.0398.2298.6698.66-0.48%602,401
Dec 1, 202599.51100.1898.2399.1499.14-1.65%1,112,418
Nov 28, 2025101.81101.8199.94100.80100.800.50%402,208
Nov 26, 202599.37101.2498.69100.30100.301.02%1,424,570
Nov 25, 202597.8899.3795.1499.2999.291.70%1,354,638
Nov 24, 202596.4297.6995.3297.6397.631.20%1,145,457
Nov 21, 202594.8097.1693.1196.4796.471.76%1,263,659
Nov 20, 2025100.00100.5093.9294.8094.80-3.38%1,347,268
Nov 19, 202597.61100.6597.3698.1298.12-0.06%1,455,992
Nov 18, 202597.7799.3096.5198.1898.18-0.58%1,068,052
Nov 17, 202599.64101.5198.2298.7598.75-0.62%1,366,502
Nov 14, 202596.04100.4195.2099.3799.370.82%1,170,327
Nov 13, 2025100.98101.1197.5198.5698.56-0.52%1,085,118
Nov 12, 202598.0999.8097.4099.0899.081.19%1,312,387
Nov 11, 202597.9998.3596.0497.9197.91-0.19%863,160
Nov 10, 202598.7999.0095.9898.1098.100.46%948,173
Nov 7, 202595.0697.7293.8797.6597.651.50%1,216,934
Nov 6, 202596.7297.0995.5296.2196.21-0.29%1,198,283
Nov 5, 202595.8097.5795.0296.4996.490.49%1,171,195
Nov 4, 202596.0798.2994.9796.0296.02-2.63%1,211,361
Nov 3, 202599.0799.9297.5898.6198.61-0.36%1,530,576
Oct 31, 2025101.51101.5197.7498.9798.97-2.18%1,880,381
Oct 30, 2025103.28103.43100.70101.18101.18-1.77%2,261,054
Oct 29, 2025100.00103.6198.13103.00103.004.54%2,414,849
Oct 28, 202599.40103.6497.4498.5398.537.44%3,803,058
Oct 27, 202591.3791.9990.0091.7191.712.76%2,363,099
Oct 24, 202590.0091.0889.2089.2589.25-0.34%1,666,949
Oct 23, 202583.1689.7583.1589.5589.558.99%2,890,444
Oct 22, 202584.4284.8081.3482.1682.16-2.56%1,194,316
Oct 21, 202581.4784.4681.4784.3284.323.57%1,525,864
Oct 20, 202581.8082.1279.7681.4181.411.34%927,360
Oct 17, 202580.2681.0279.2980.3380.33-1.10%1,347,271
Oct 16, 202583.8283.9780.0381.2281.22-2.52%1,098,830
Oct 15, 202585.8786.3282.5183.3283.32-1.72%1,515,088
Oct 14, 202581.8084.8880.8884.7884.782.17%1,138,863
Oct 13, 202581.7083.2381.0482.9882.983.67%1,048,543
Oct 10, 202582.2782.7079.7280.0480.04-2.72%1,049,063
Oct 9, 202584.3584.6082.0682.2882.28-1.97%734,633
Oct 8, 202583.0884.1882.7983.9383.930.50%795,831
Oct 7, 202583.9383.9381.5783.5183.51-0.19%1,207,777
Oct 6, 202582.0084.9181.9083.6783.672.94%1,780,361
Oct 3, 202583.1083.1080.9181.2881.28-1.50%1,121,799
Oct 2, 202583.1383.8680.6582.5282.52-0.59%1,117,741
Oct 1, 202580.3383.1080.3383.0183.012.05%1,143,071
Sep 30, 202579.3681.6479.3081.3481.342.62%1,972,959
Sep 29, 202583.3984.6176.7879.2679.26-4.29%4,271,268
Sep 26, 202578.6383.4977.6482.8182.816.98%2,604,734
Sep 25, 202576.2477.8075.0277.4177.410.52%1,509,694
Sep 24, 202578.6978.9976.9877.0177.01-1.38%1,013,057
Sep 23, 202579.7780.3177.7278.0978.09-2.23%1,615,115
Sep 22, 202580.3380.5679.0879.8779.87-1.07%1,099,976
Sep 19, 202580.4880.8778.8280.7380.730.31%3,266,556
Sep 18, 202578.7081.0278.3280.4880.482.60%1,389,613
Sep 17, 202579.9380.5177.2678.4478.44-1.30%1,271,224
Sep 16, 202578.5079.5077.4379.4779.472.61%1,681,898
Sep 15, 202576.2677.4975.6277.4577.451.72%1,452,163
Sep 12, 202576.4376.9275.5776.1476.140.21%1,374,565
Sep 11, 202576.4876.6875.2575.9875.98-0.54%1,531,623
Sep 10, 202575.4877.2475.3776.3976.392.02%2,156,483
Sep 9, 202577.5277.9374.4574.8874.88-3.38%1,424,041
Sep 8, 202577.9378.2276.6877.5077.50-0.17%1,714,066
Sep 5, 202577.5177.9375.0377.6377.630.61%1,820,818
Sep 4, 202576.2677.6975.7977.1677.160.85%1,359,747
Sep 3, 202578.3979.1474.5876.5176.51-2.36%1,786,615
Sep 2, 202576.2578.7775.5278.3678.361.06%1,799,424
Aug 29, 202578.5478.9676.5977.5477.54-1.19%2,165,534
Aug 28, 202576.8678.5876.7678.4778.472.23%1,370,196
Aug 27, 202576.4077.3476.2676.7676.760.37%1,837,139
Aug 26, 202573.5776.8873.1076.4876.484.52%3,047,633
Aug 25, 202573.4974.4473.0073.1773.17-0.73%1,002,557
Aug 22, 202571.9474.0071.9473.7173.712.66%1,756,839
Aug 21, 202570.9372.7270.8571.8071.800.64%1,058,403
Aug 20, 202571.8671.9370.4271.3471.34-0.99%1,286,526
Aug 19, 202572.2572.7871.5072.0572.05-0.70%2,005,327
Aug 18, 202572.6273.0071.4872.5672.560.14%1,840,607
Aug 15, 202573.7773.9271.8172.4672.46-2.11%1,936,945
Aug 14, 202575.0575.2073.8474.0274.02-1.73%1,648,375
Aug 13, 202576.0876.5972.9175.3275.32-0.21%2,446,728
Aug 12, 202574.0175.6573.0975.4875.483.51%1,804,719
Aug 11, 202573.0973.4372.1972.9272.92-0.16%1,986,441
Aug 8, 202575.7075.7072.5373.0473.04-0.95%1,725,992
Aug 7, 202574.9475.4172.5873.7473.74-0.98%1,901,102
Aug 6, 202574.3575.1673.4374.4774.47-2,390,072
Aug 5, 202576.5877.0073.7774.4774.47-1.55%3,036,440
Aug 4, 202577.6278.7475.0175.6475.64-1.41%2,963,165
Aug 1, 202575.4977.0574.0076.7276.72-0.29%3,713,113
Jul 31, 202585.2586.9376.2076.9476.94-18.36%8,394,572
Jul 30, 202594.4295.4193.9294.2494.240.14%3,268,969
Jul 29, 202595.9096.1493.9494.1194.11-1.48%1,667,666
Jul 28, 202596.0096.2094.7095.5295.520.56%1,791,637
Jul 25, 202593.7895.1793.3194.9994.991.84%858,180
Jul 24, 202594.0094.8192.9493.2793.27-0.87%1,766,608
Jul 23, 202593.0294.8793.0294.0994.091.76%1,067,715
Jul 22, 202592.3392.7089.6292.4692.46-0.40%1,736,968
Jul 21, 202593.5093.9992.4692.8392.83-0.62%1,227,694
Jul 18, 202592.6093.7592.5893.4193.410.91%1,230,176
Jul 17, 202590.1093.0389.8392.5792.573.11%1,512,165