No.2
Disclosure
2026/10/30 03:16
四半期報告書（10-Q）
ATI ATI INCUS-listed
2 posts
ATI INC (ATI) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
ATI INC (ATI) Stock Price History
ATI INC closed at $175.79 on Nov 6, 2026, −9.7% over 1 month, +80.0% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$194.69Oct 6
1-Month Low$156.88Oct 23
1-Week Change+6.2%vs Oct 30
1-Month Change−9.7%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $903 today (−9.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −9.7%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $175.79 | +7.45 | +4.43% |
| Nov 5 (Thu) | $168.34 | −10.75 | −6.00% |
| Nov 4 (Wed) | $179.09 | −1.24 | −0.69% |
| Nov 3 (Tue) | $180.33 | +5.95 | +3.41% |
| Nov 2 (Mon) | $174.38 | +8.79 | +5.31% |
| Oct 30 (Fri) | $165.59 | −9.41 | −5.38% |
| Oct 29 (Thu) | $175.00 | +9.70 | +5.87% |
| Oct 28 (Wed) | $165.30 | −0.84 | −0.51% |
| Oct 27 (Tue) | $166.14 | +1.60 | +0.97% |
| Oct 26 (Mon) | $164.54 | +7.66 | +4.88% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$231.78Aug 17
3-Month Low$156.88Oct 23
1-Month Change−9.7%vs Oct 6
3-Month Change−21.3%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $787 today (−21.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −21.3%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $175.79 | +7.45 | +4.43% |
| Nov 5 (Thu) | $168.34 | −10.75 | −6.00% |
| Nov 4 (Wed) | $179.09 | −1.24 | −0.69% |
| Nov 3 (Tue) | $180.33 | +5.95 | +3.41% |
| Nov 2 (Mon) | $174.38 | +8.79 | +5.31% |
| Oct 30 (Fri) | $165.59 | −9.41 | −5.38% |
| Oct 29 (Thu) | $175.00 | +9.70 | +5.87% |
| Oct 28 (Wed) | $165.30 | −0.84 | −0.51% |
| Oct 27 (Tue) | $166.14 | +1.60 | +0.97% |
| Oct 26 (Mon) | $164.54 | +7.66 | +4.88% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$231.78Aug 17
6-Month Low$149.62May 18
3-Month Change−21.3%vs Aug 6
6-Month Change+6.5%vs May 6
If you had invested $1,000 6 months ago, it would be worth $1,065 today (+6.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved +6.5%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $175.79 | +6.2% |
| Oct 2026 | $165.59 | −12.6% |
| Sep 2026 | $189.40 | −7.2% |
| Aug 2026 | $204.20 | +8.9% |
| Jul 2026 | $187.44 | −4.9% |
| Jun 2026 | $197.10 | +12.5% |
| May 2026 | $175.16 | +12.7% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$231.78Aug 17
52-Week Low$94.80Nov 20
Year to Date+53.2%vs Dec 31
From 52-Week High−24.2%Aug 17
If you had invested $1,000 1 year ago, it would be worth $1,800 today (+80.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved +80.0%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $175.79 | +6.2% |
| Oct 2026 | $165.59 | −12.6% |
| Sep 2026 | $189.40 | −7.2% |
| Aug 2026 | $204.20 | +8.9% |
| Jul 2026 | $187.44 | −4.9% |
| Jun 2026 | $197.10 | +12.5% |
| May 2026 | $175.16 | +12.7% |
| Apr 2026 | $155.46 | +6.9% |
| Mar 2026 | $145.46 | −11.1% |
| Feb 2026 | $163.59 | +36.0% |
| Jan 2026 | $120.30 | +4.8% |
| Dec 2025 | $114.76 | +13.8% |
| Nov 2025 | $100.80 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$228.48Aug 14, 2026
3-Year Low$39.15Jan 29, 2024
Annualized Return+59.0%
Max Drawdown−36.0%
If you had invested $1,000 3 years ago, it would be worth $4,024 today (+302.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved +302.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $175.79 | +53.2% |
| 2025 | $114.76 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$228.48Aug 14, 2026
5-Year Low$14.54Nov 29, 2021
Annualized Return+59.2%
Max Drawdown−36.0%
If you had invested $1,000 5 years ago, it would be worth $10,208 today (+920.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved +920.8%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $175.79 | +53.2% |
| 2025 | $114.76 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$204.20Aug 2026
All-Time Low$2.90Mar 2003
Total Change+683.4%vs Dec 1999
Annualized Return+7.9%
If you had invested $1,000 in Dec 1999, it would be worth $7,834 today (+683.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +439.9%, while this stock moved +683.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $175.79 | +53.2% |
| 2025 | $114.76 | +108.5% |
| 2024 | $55.04 | +21.0% |
| 2023 | $45.47 | +52.3% |
| 2022 | $29.86 | +87.4% |
| 2021 | $15.93 | −5.0% |
| 2020 | $16.77 | −18.8% |
| 2019 | $20.66 | −5.1% |
| 2018 | $21.77 | −9.8% |
| 2017 | $24.14 | +51.5% |
| 2016 | $15.93 | +41.6% |
| 2015 | $11.25 | −67.6% |
| 2014 | $34.77 | −2.4% |
| 2013 | $35.63 | +17.4% |
| 2012 | $30.36 | −36.5% |
| 2011 | $47.80 | −13.4% |
| 2010 | $55.18 | +23.3% |
| 2009 | $44.77 | +75.4% |
| 2008 | $25.53 | −70.5% |
| 2007 | $86.40 | −4.7% |
| 2006 | $90.68 | +151.3% |
| 2005 | $36.08 | +66.5% |
| 2004 | $21.67 | +63.9% |
| 2003 | $13.22 | +112.2% |
| 2002 | $6.23 | −62.8% |
| 2001 | $16.75 | +5.5% |
| 2000 | $15.88 | −29.2% |
| 1999 | $22.44 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Dec 1999). Please check the latest prices before trading.
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No.1
Disclosure
2026/10/29 20:34
臨時報告（重要事象）（8-K）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
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