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ATI Inc. (ATI)
NYSE: ATI · Real-Time Price · USD
151.70
-1.75 (-1.14%)
At close: Apr 28, 2026, 4:00 PM EDT
151.80
+0.10 (0.07%)
After-hours: Apr 28, 2026, 4:12 PM EDT

ATI Inc. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 2026153.43154.27149.93151.63--1.19%920,585
Apr 27, 2026154.80154.99149.51153.45153.45-0.53%1,214,932
Apr 24, 2026153.75155.37149.72154.26154.260.14%2,001,814
Apr 23, 2026154.92157.50149.80154.05154.050.49%2,727,118
Apr 22, 2026160.96161.39148.04153.30153.30-3.55%2,278,015
Apr 21, 2026164.12166.61157.52158.95158.95-3.11%1,792,855
Apr 20, 2026162.89164.70160.00164.06164.06-0.36%1,045,827
Apr 17, 2026160.07165.03160.07164.66164.665.67%1,779,803
Apr 16, 2026156.81158.52154.39155.83155.83-0.64%1,526,639
Apr 15, 2026162.90163.85156.67156.83156.83-3.80%2,290,172
Apr 14, 2026165.00165.28162.57163.03163.03-0.46%894,742
Apr 13, 2026162.10164.23160.67163.78163.780.97%968,153
Apr 10, 2026159.20162.26158.01162.21162.211.62%1,270,123
Apr 9, 2026156.80163.30156.02159.63159.632.07%1,855,025
Apr 8, 2026157.52159.46155.24156.39156.396.19%2,554,520
Apr 7, 2026147.26149.61145.89147.28147.28-0.46%1,062,966
Apr 6, 2026147.47149.05145.45147.96147.960.91%977,469
Apr 2, 2026147.16152.31146.00146.63146.63-3.05%2,210,609
Apr 1, 2026150.30155.41149.90151.25151.253.98%3,408,289
Mar 31, 2026139.73146.18137.22145.46145.467.35%2,753,002
Mar 30, 2026142.41142.54135.48135.50135.50-3.51%2,010,829
Mar 27, 2026141.90143.50139.94140.43140.43-2.44%1,468,742
Mar 26, 2026146.40147.79142.47143.94143.94-3.40%1,805,359
Mar 25, 2026152.00152.12148.46149.00149.00-0.39%2,167,300
Mar 24, 2026145.82151.51144.48149.59149.592.19%2,908,227
Mar 23, 2026146.00151.82145.69146.38146.383.23%1,645,591
Mar 20, 2026145.79148.07139.83141.80141.80-3.89%3,317,177
Mar 19, 2026144.76149.06141.88147.54147.54-1.40%1,703,870
Mar 18, 2026149.02152.00148.70149.64149.640.54%1,254,785
Mar 17, 2026148.26149.60147.07148.83148.830.92%1,577,979
Mar 16, 2026144.90148.46144.90147.48147.483.88%1,652,133
Mar 13, 2026148.06149.22139.89141.97141.97-2.83%2,033,662
Mar 12, 2026156.13156.13143.22146.10146.10-7.22%3,359,024
Mar 11, 2026157.03159.70154.94157.47157.47-0.94%872,444
Mar 10, 2026156.29162.54156.29158.97158.971.45%1,815,615
Mar 9, 2026150.17156.92148.00156.70156.704.40%2,473,396
Mar 6, 2026150.81152.33148.10150.09150.09-2.65%3,057,596
Mar 5, 2026159.90161.00151.40154.18154.18-4.72%2,318,189
Mar 4, 2026159.57161.96157.60161.82161.823.10%1,628,982
Mar 3, 2026162.31162.51154.50156.96156.96-5.68%2,899,390
Mar 2, 2026163.30168.14159.86166.42166.421.73%1,998,761
Feb 27, 2026161.97163.89158.92163.59163.590.02%2,107,391
Feb 26, 2026160.96163.59157.82163.55163.552.21%1,751,000
Feb 25, 2026161.70164.26159.20160.02160.02-0.63%2,576,049
Feb 24, 2026158.11162.00157.07161.04161.041.11%2,792,719
Feb 23, 2026157.30159.83156.50159.27159.270.25%2,618,943
Feb 20, 2026152.47158.99151.95158.87158.873.95%3,259,778
Feb 19, 2026150.54153.75149.64152.84152.842.87%2,563,168
Feb 18, 2026147.84149.08146.85148.57148.571.24%1,909,604
Feb 17, 2026143.46146.94143.12146.75146.751.96%2,010,765
Feb 13, 2026139.14143.98139.14143.93143.932.95%2,251,831
Feb 12, 2026140.00144.50137.76139.81139.810.79%2,482,451
Feb 11, 2026138.78139.75134.83138.72138.721.23%1,870,860
Feb 10, 2026135.90137.74133.73137.04137.041.02%1,969,877
Feb 9, 2026134.91136.76133.20135.66135.661.56%1,697,097
Feb 6, 2026130.59135.68130.59133.57133.573.81%2,442,746
Feb 5, 2026125.89132.92125.50128.67128.670.92%2,853,876
Feb 4, 2026129.05129.28123.31127.50127.50-0.65%4,149,043
Feb 3, 2026128.00137.00122.60128.34128.345.40%5,326,103
Feb 2, 2026119.44121.81119.12121.77121.771.22%2,543,281
Jan 30, 2026120.22124.50119.62120.30120.30-1.17%1,955,227
Jan 29, 2026121.70123.11117.19121.72121.72-2,713,738
Jan 28, 2026124.25124.76121.44121.72121.72-1.96%1,958,983
Jan 27, 2026123.36125.90122.45124.15124.150.64%886,568
Jan 26, 2026123.56124.19121.00123.36123.36-0.15%1,195,700
Jan 23, 2026123.57124.38122.60123.55123.550.36%1,428,558
Jan 22, 2026125.63126.01122.14123.11123.11-1.25%1,061,842
Jan 21, 2026123.95124.83122.11124.67124.671.13%1,399,454
Jan 20, 2026124.04125.92122.03123.28123.28-0.86%1,662,262
Jan 16, 2026125.64126.48124.00124.35124.35-0.83%1,163,687
Jan 15, 2026125.52127.11124.79125.39125.391.74%1,336,670
Jan 14, 2026124.59124.78120.68123.24123.24-0.95%1,549,820
Jan 13, 2026124.68125.45123.20124.42124.420.78%1,176,997
Jan 12, 2026123.90124.85122.59123.46123.460.95%1,232,587
Jan 9, 2026120.50124.92119.50122.30122.303.13%1,103,697
Jan 8, 2026123.00123.96115.80118.59118.59-1.86%1,915,196
Jan 7, 2026121.91122.50120.25120.84120.84-0.02%1,328,216
Jan 6, 2026119.92121.42116.24120.86120.860.80%2,053,722
Jan 5, 2026120.00122.57119.60119.90119.900.59%1,343,621
Jan 2, 2026115.34119.43114.75119.20119.203.87%843,252
Dec 31, 2025116.72116.72114.62114.76114.76-1.21%969,255
Dec 30, 2025116.94117.47115.91116.17116.17-0.39%735,661
Dec 29, 2025116.16117.09115.79116.63116.63-0.27%581,007
Dec 26, 2025116.64117.36115.00116.95116.950.27%479,552
Dec 24, 2025116.84117.48116.02116.64116.640.37%455,274
Dec 23, 2025115.12116.95114.00116.21116.210.39%822,580
Dec 22, 2025114.80116.72114.00115.76115.762.19%1,751,722
Dec 19, 2025111.27113.57110.86113.28113.283.21%3,276,950
Dec 18, 2025109.22110.71108.15109.76109.761.73%1,335,883
Dec 17, 2025108.62110.41107.33107.89107.89-0.71%1,155,550
Dec 16, 2025107.85109.27107.10108.66108.66-0.06%1,416,827
Dec 15, 2025109.00110.85107.75108.72108.72-0.22%1,696,619
Dec 12, 2025110.72110.79107.90108.96108.96-1.53%1,834,337
Dec 11, 2025105.63111.22105.01110.65110.655.65%3,034,025
Dec 10, 2025100.10105.7299.43104.73104.735.34%3,188,811
Dec 9, 202599.60101.0898.1099.4299.42-0.22%1,756,659
Dec 8, 202599.50102.6799.1699.6499.64-0.77%1,925,948
Dec 5, 2025101.26101.2699.00100.41100.410.01%906,556
Dec 4, 202598.08100.4697.60100.40100.402.06%1,141,727
Dec 3, 202599.16100.6597.1498.3798.37-0.29%1,248,128