ATI Inc. (ATI) Stock Price History
Historical prices from 1999 to 2026
- 1M
- -4.6%
- 3M
- +2.3%
- YTD
- +61.4%
- 1Y
- +133.2%
- 3Y
- +67.6%
- 5Y
- +62.7%
Loading 10-year price history...
ATI Historical Performance
ATI Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -61.9%
- 2003 annual price return
- +111.9%
- 2004 annual price return
- +59.9%
- 2005 annual price return
- +76.5%
- 2006 annual price return
- +151.5%
- 2007 annual price return
- -2.3%
- 2008 annual price return
- -69.7%
- 2009 annual price return
- +65.5%
- 2010 annual price return
- +16.7%
- 2011 annual price return
- -16.9%
- 2012 annual price return
- -39.5%
- 2013 annual price return
- +12.9%
- 2014 annual price return
- -1.4%
- 2015 annual price return
- -67.3%
- 2016 annual price return
- +38.6%
- 2017 annual price return
- +48.1%
- 2018 annual price return
- -15.0%
- 2019 annual price return
- -7.6%
- 2020 annual price return
- -18.6%
- 2021 annual price return
- -0.3%
- 2022 annual price return
- +83.4%
- 2023 annual price return
- +53.8%
- 2024 annual price return
- +24.2%
- 2025 annual price return
- +108.5%
- 2026 annual price return
- +57.2%
ATI Stock Price Trajectory (1999–2026)
As of October 3, 2026, ATI Inc. (ATI) trades at $192.42, representing a +133.2% return over the past year. The stock has delivered a +1039.9% total return over five years (+62.7% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $243.57 on August 12, 2026. From this peak, ATI has corrected -21.0%, currently trading 15% above its 200-day moving average, indicating continued institutional support.
When compared to Industrials sector peers HWM (+21.0% 1Y), CRS (+57.3% 1Y), and MTRN (+152.8% 1Y), ATI has underperformed the peer group average. Compare ATI vs HWM →
ATI Historical Price Data · from 1999
Rows 1–50 of 6,752| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-02 | 193.21 | 194.31 | 188.94 | 192.42 | 1.38M | +0.67% |
| 2026-10-01 | 187.54 | 192.29 | 185.70 | 191.14 | 1.28M | +0.92% |
| 2026-09-30 | 188.24 | 190.17 | 183.06 | 189.40 | 1.46M | +0.24% |
| 2026-09-29 | 183.00 | 189.76 | 182.42 | 188.95 | 1.70M | +4.58% |
| 2026-09-28 | 184.44 | 184.62 | 178.26 | 180.67 | 1.57M | -2.59% |
| 2026-09-25 | 185.64 | 186.68 | 182.32 | 185.48 | 1.14M | -0.39% |
| 2026-09-24 | 183.11 | 187.77 | 181.51 | 186.21 | 1.13M | +1.10% |
| 2026-09-23 | 185.51 | 189.98 | 183.30 | 184.18 | 1.34M | -1.28% |
| 2026-09-22 | 188.89 | 190.50 | 185.96 | 186.56 | 1.43M | -1.37% |
| 2026-09-21 | 191.82 | 193.17 | 187.25 | 189.16 | 1.65M | -1.29% |
| 2026-09-18 | 185.24 | 192.34 | 183.67 | 191.63 | 4.03M | +4.35% |
| 2026-09-17 | 197.00 | 197.00 | 179.59 | 183.64 | 2.24M | -3.17% |
| 2026-09-16 | 188.25 | 193.89 | 187.02 | 189.65 | 1.03M | +1.59% |
| 2026-09-15 | 189.70 | 191.94 | 182.63 | 186.69 | 1.85M | -0.78% |
| 2026-09-14 | 191.85 | 194.50 | 187.00 | 188.15 | 1.69M | -5.34% |
| 2026-09-11 | 201.50 | 203.87 | 198.07 | 198.77 | 1.22M | -0.12% |
| 2026-09-10 | 203.48 | 207.45 | 196.60 | 199.00 | 1.32M | -3.65% |
| 2026-09-09 | 206.04 | 210.13 | 205.50 | 206.54 | 1.11M | -0.38% |
| 2026-09-08 | 209.04 | 210.04 | 203.62 | 207.32 | 1.59M | -1.58% |
| 2026-09-04 | 204.33 | 212.30 | 204.33 | 210.65 | 1.79M | +2.99% |
| 2026-09-03 | 203.19 | 207.57 | 200.25 | 204.54 | 1.60M | +1.41% |
| 2026-09-02 | 202.47 | 204.98 | 198.46 | 201.69 | 1.90M | +0.37% |
| 2026-09-01 | 203.69 | 205.78 | 199.78 | 200.95 | 1.34M | -1.59% |
| 2026-08-31 | 210.48 | 210.49 | 202.02 | 204.20 | 9.79M | -3.11% |
| 2026-08-28 | 213.87 | 214.58 | 209.61 | 210.76 | 1.12M | -1.75% |
| 2026-08-27 | 214.29 | 217.10 | 211.44 | 214.52 | 1.20M | +0.78% |
| 2026-08-26 | 217.63 | 217.63 | 211.66 | 212.86 | 1.28M | -1.10% |
| 2026-08-25 | 213.95 | 215.88 | 209.68 | 215.23 | 1.98M | +2.58% |
| 2026-08-24 | 206.92 | 210.91 | 202.25 | 209.81 | 1.72M | +1.35% |
| 2026-08-21 | 210.92 | 212.95 | 206.30 | 207.01 | 1.52M | -1.06% |
| 2026-08-20 | 213.98 | 216.36 | 207.39 | 209.22 | 1.25M | -3.13% |
| 2026-08-19 | 226.21 | 226.45 | 215.09 | 215.99 | 1.24M | -4.62% |
| 2026-08-18 | 227.75 | 230.62 | 224.35 | 226.46 | 1.25M | -2.30% |
| 2026-08-17 | 230.36 | 232.86 | 228.02 | 231.78 | 1.06M | +1.44% |
| 2026-08-14 | 226.59 | 229.34 | 224.00 | 228.48 | 1.23M | +0.55% |
| 2026-08-13 | 231.40 | 233.92 | 225.70 | 227.22 | 1.22M | -1.39% |
| 2026-08-12 | 238.59 | 243.57 | 229.63 | 230.43 | 1.33M | +0.15% |
| 2026-08-11 | 228.33 | 232.38 | 226.00 | 230.08 | 1.47M | +0.83% |
| 2026-08-10 | 231.26 | 239.23 | 227.01 | 228.19 | 1.38M | +0.15% |
| 2026-08-07 | 223.25 | 230.45 | 221.83 | 227.84 | 1.84M | +1.97% |
| 2026-08-06 | 219.99 | 236.98 | 219.99 | 223.43 | 3.14M | +8.93% |
| 2026-08-05 | 204.15 | 208.71 | 202.69 | 205.11 | 3.01M | +2.48% |
| 2026-08-04 | 198.02 | 201.39 | 194.78 | 200.15 | 1.46M | +3.64% |
| 2026-08-03 | 184.88 | 193.54 | 183.54 | 193.12 | 976K | +3.03% |
| 2026-07-31 | 185.43 | 190.48 | 183.22 | 187.44 | 1.16M | +3.05% |
| 2026-07-30 | 179.42 | 184.59 | 175.00 | 181.90 | 1.72M | +2.24% |
| 2026-07-29 | 184.73 | 188.13 | 174.77 | 177.92 | 2.39M | -4.85% |
| 2026-07-28 | 190.99 | 191.13 | 183.05 | 186.99 | 1.57M | -2.93% |
| 2026-07-27 | 199.36 | 200.89 | 187.23 | 192.64 | 1.35M | -2.61% |
| 2026-07-24 | 200.00 | 204.30 | 196.67 | 197.80 | 1.26M | -1.02% |
ATI Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ATI — Frequently Asked Questions
Quick answers to the most common questions about buying ATI stock.
How has ATI stock performed recently?
ATI returned +133.2% over the past year, beating its 5-year annualized CAGR of +62.7%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ATI's all-time high price?
ATI Inc. reached $243.57 on 2026-08-12. The 52-week high is $243.57. Current 1-year return of +133.2% places the stock closer to historical peaks.
Where can I download ATI historical price data?
This page provides ATI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1999-2026, downloadable in CSV format.