ATI Inc. (ATI) Stock Price History
Historical prices from 2011 to 2026
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ATI Historical Performance
Short-Term Returns
ATI Stock Price Trajectory (2011–2026)
As of May 6, 2026, ATI Inc. (ATI) trades at $165.08, representing a +139.9% return over the past year. The stock has delivered a +567.3% total return over five years (+46.2% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $168.14 on March 2, 2026. From this peak, ATI has corrected -1.8%, currently trading 46% above its 200-day moving average, indicating continued institutional support.
When compared to Industrials sector peers HWM (+64.6% 1Y), CRS (+120.7% 1Y), and MTRN (+151.0% 1Y), ATI has underperformed the peer group average. Compare ATI vs HWM →
ATI Historical Price Data (2011–2026)
Showing 30 of 3,650 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-06 | 160.24 | 165.21 | 159.00 | 165.08 | 2.39M | +6.26% |
| 2026-05-05 | 155.87 | 157.00 | 153.00 | 155.35 | 1.26M | +0.95% |
| 2026-05-04 | 154.85 | 155.61 | 152.37 | 153.89 | 1.33M | -0.88% |
| 2026-05-01 | 157.14 | 158.31 | 151.82 | 155.26 | 1.19M | -0.13% |
| 2026-04-30 | 146.43 | 155.71 | 146.39 | 155.46 | 2.22M | +6.31% |
| 2026-04-29 | 155.00 | 155.05 | 142.35 | 146.23 | 2.87M | -3.61% |
| 2026-04-28 | 152.40 | 154.85 | 149.69 | 151.70 | 1.21M | -1.14% |
| 2026-04-27 | 154.80 | 154.99 | 149.50 | 153.45 | 1.05M | -0.53% |
| 2026-04-24 | 153.75 | 155.36 | 149.72 | 154.26 | 2.00M | +0.14% |
| 2026-04-23 | 154.92 | 157.50 | 149.80 | 154.05 | 2.73M | +0.49% |
| 2026-04-22 | 160.96 | 161.39 | 148.04 | 153.30 | 2.28M | -3.55% |
| 2026-04-21 | 164.12 | 166.50 | 157.51 | 158.95 | 1.79M | -3.11% |
| 2026-04-20 | 162.89 | 164.70 | 160.00 | 164.06 | 1.02M | -0.36% |
| 2026-04-17 | 160.07 | 165.03 | 160.07 | 164.66 | 1.76M | +5.67% |
| 2026-04-16 | 156.77 | 158.52 | 154.38 | 155.83 | 1.51M | -0.64% |
| 2026-04-15 | 162.55 | 163.85 | 156.67 | 156.83 | 2.24M | -3.80% |
| 2026-04-14 | 165.10 | 165.28 | 162.57 | 163.03 | 874K | -0.46% |
| 2026-04-13 | 162.26 | 164.18 | 160.67 | 163.78 | 811K | +0.97% |
| 2026-04-10 | 159.20 | 162.26 | 158.01 | 162.21 | 1.26M | +1.62% |
| 2026-04-09 | 156.80 | 163.30 | 156.02 | 159.63 | 1.83M | +2.07% |
| 2026-04-08 | 157.31 | 159.46 | 155.24 | 156.39 | 2.55M | +6.19% |
| 2026-04-07 | 147.26 | 149.61 | 145.89 | 147.28 | 1.05M | -0.46% |
| 2026-04-06 | 147.47 | 149.04 | 145.45 | 147.96 | 959K | +0.91% |
| 2026-04-02 | 147.00 | 152.31 | 146.00 | 146.63 | 1.95M | -3.05% |
| 2026-04-01 | 150.30 | 155.41 | 149.90 | 151.25 | 3.41M | +3.98% |
| 2026-03-31 | 139.73 | 146.18 | 137.22 | 145.46 | 2.66M | +7.35% |
| 2026-03-30 | 142.41 | 142.54 | 135.49 | 135.50 | 1.99M | -3.51% |
| 2026-03-27 | 141.90 | 143.50 | 139.94 | 140.43 | 1.44M | -2.44% |
| 2026-03-26 | 146.40 | 147.79 | 142.47 | 143.94 | 1.75M | -3.40% |
| 2026-03-25 | 152.00 | 152.12 | 148.46 | 149.00 | 2.12M | -0.39% |
Full ATI Stock Analysis
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View ValuationCompare ATI vs SPIR
Side-by-side business, growth, and profitability comparison vs Spire Global, Inc..
Start ComparisonATI — Frequently Asked Questions
Quick answers to the most common questions about buying ATI stock.
How has ATI stock performed recently?
ATI returned +139.9% over the past year, beating its 5-year annualized CAGR of +46.2%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ATI's all-time high price?
ATI Inc. reached $168.14 on 2026-03-02. The 52-week high is $168.14. Current 1-year return of +139.9% 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 2011-2026, downloadable in CSV format.