NYSE:ATI | Stock Price History | ATI INC

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1999-11-29 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$2.63$6.95$18.34$48.42$127.82$337.431999-11-292026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

Historical Stock Price

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2026-09-04$205.01122,464
2026-09-03$203.8598,342
2026-09-02$202.4882,033
2026-09-01$203.9759,096
2026-08-31$210.78145,427
2026-08-28$214.9289,384
2026-08-27$214.52$319.171,206,500$215.87106,847
2026-08-26$212.86$316.701,278,100$217.2367,766
2026-08-25$215.23$320.231,976,300$215.18172,626
2026-08-24$209.81$312.171,720,700$205.00135,080
2026-08-21$207.01$308.001,516,900$210.10161,795
2026-08-20$209.22$311.291,251,100$214.0668,447
2026-08-19$215.99$321.361,235,900$226.45110,325
2026-08-18$226.46$336.941,251,600$229.04103,785
2026-08-17$231.78$344.851,063,000$232.0497,239
2026-08-14$228.48$339.941,225,800$226.6695,748
2026-08-13$227.22$338.071,217,200$230.4487,697
2026-08-12$230.43$342.851,331,100$238.8880,800
2026-08-11$230.08$342.331,468,600$228.7884,790
2026-08-10$228.19$339.511,375,100$237.4079,001
2026-08-07$227.84$338.991,835,300$222.66147,151
2026-08-06$223.43$332.433,138,000$218.96215,362
2026-08-05$205.11$305.173,012,100$204.17214,840
2026-08-04$200.15$297.791,461,400$197.0175,737
2026-08-03$193.12$287.33975,200$185.0049,425
2026-07-31$187.44$278.881,156,900$185.2656,892
2026-07-30$181.90$270.641,719,900$179.37141,272
2026-07-29$177.92$264.722,386,500$184.22143,721
2026-07-28$186.99$278.211,567,200$189.2391,283
2026-07-27$192.64$286.621,349,200$199.1392,230
2026-07-24$197.80$294.301,255,300$199.2163,890
2026-07-23$199.84$297.331,486,100$194.40187,736
2026-07-22$195.59$291.01938,800$194.6849,441
2026-07-21$197.21$293.421,396,500$189.0455,445
2026-07-20$186.24$277.101,448,700$189.5084,830
2026-07-17$186.17$276.991,224,900
2026-07-16$185.51$276.011,694,700
2026-07-15$193.59$288.032,015,800
2026-07-14$189.44$281.861,699,300
2026-07-13$183.75$273.391,164,200
2026-07-10$187.04$278.29644,800
2026-07-09$188.36$280.25821,000
2026-07-08$185.60$276.151,352,700
2026-07-07$183.26$272.661,658,100
2026-07-06$192.06$285.761,219,300
2026-07-02$188.10$279.871,307,600
2026-07-01$192.17$285.921,260,800
2026-06-30$197.10$293.261,435,500
2026-06-29$197.71$294.161,479,600
2026-06-26$197.40$293.705,621,600
2026-06-25$199.50$296.831,639,500
2026-06-24$197.59$293.991,873,400
2026-06-23$199.60$296.981,646,500
2026-06-22$204.09$303.661,584,200
2026-06-18$201.34$299.563,100,700
2026-06-17$196.86$292.901,504,100
2026-06-16$196.31$292.081,551,700
2026-06-15$195.81$291.341,963,100
2026-06-12$198.48$295.312,787,900
2026-06-11$199.50$296.832,594,800
2026-06-10$183.37$272.832,222,300
2026-06-09$187.13$278.422,210,300
2026-06-08$180.14$268.02957,700
2026-06-05$177.47$264.051,274,400
2026-06-04$181.10$269.451,181,100
2026-06-03$179.94$267.721,724,500
2026-06-02$178.48$265.551,414,400
2026-06-01$178.98$266.301,788,400
2026-05-29$175.16$260.613,088,800
2026-05-28$170.53$253.721,030,100
2026-05-27$169.84$252.701,550,400
2026-05-26$168.76$251.091,910,900
2026-05-22$162.29$241.461,681,700
2026-05-21$160.41$238.671,561,400
2026-05-20$153.73$228.731,673,700
2026-05-19$150.44$223.831,749,100
2026-05-18$149.62$222.611,686,000
2026-05-15$154.22$229.461,369,900
2026-05-14$162.57$241.881,101,500
2026-05-13$164.83$245.241,987,200
2026-05-12$161.01$239.561,268,700
2026-05-11$161.16$239.781,397,600
2026-05-08$158.39$235.662,594,300
2026-05-07$162.66$242.013,406,500
2026-05-06$165.08$245.612,704,100
2026-05-05$155.35$231.141,268,600
2026-05-04$153.89$228.971,353,400
2026-05-01$155.26$231.001,465,400
2026-04-30$155.46$231.302,241,200
2026-04-29$146.23$217.572,908,700
2026-04-28$151.70$225.711,233,700
2026-04-27$153.45$228.311,227,200
2026-04-24$154.26$229.522,011,300
2026-04-23$154.05$229.202,729,300
2026-04-22$153.30$228.092,297,000
2026-04-21$158.95$236.491,798,900
2026-04-20$164.06$244.101,046,500
2026-04-17$164.66$244.991,782,000
2026-04-16$155.83$231.851,609,700
2026-04-15$156.83$233.342,291,500