What is the current 10-day volatility of ATI?

As of today, ATI 10-day volatility is 28.60%

What 10-day volatility category does ATI fall into?

Based on its current 10-day historical volatility, ATI falls into the moderate volatility category

What is ATI 10-day volatility 1-year high?

ATI 10-day volatility reached a 1-year high of 68.32% on November 4, 2025

What is ATI 10-day volatility 1-year low?

ATI 10-day volatility reached a 1-year low of 12.27% on November 19, 2025

What is the current 1-month volatility of ATI?

As of today, ATI 1-month volatility is 30.56%

What 1-month volatility category does ATI fall into?

Based on its current 1-month historical volatility, ATI falls into the moderate volatility category

What is ATI 1-month volatility 1-year high?

ATI 1-month volatility reached a 1-year high of 59.20% on April 2, 2026

What is ATI 1-month volatility 1-year low?

ATI 1-month volatility reached a 1-year low of 19.83% on December 9, 2025

What is the current 3-month volatility of ATI?

As of today, ATI 3-month volatility is 43.26%

What 3-month volatility category does ATI fall into?

Based on its current 3-month historical volatility, ATI falls into the high volatility category

What is ATI 3-month volatility 1-year high?

ATI 3-month volatility reached a 1-year high of 54.94% on October 30, 2025

What is ATI 3-month volatility 1-year low?

ATI 3-month volatility reached a 1-year low of 25.96% on February 2, 2026

What is the current 1-year volatility of ATI?

As of today, ATI 1-year volatility is 41.30%

What 1-year volatility category does ATI fall into?

Based on its current 1-year historical volatility, ATI falls into the high volatility category

What is ATI 1-year volatility 1-year high?

ATI 1-year volatility reached a 1-year high of 50.21% on October 28, 2025

What is ATI 1-year volatility 1-year low?

ATI 1-year volatility reached a 1-year low of 40.05% on July 31, 2026

ATI Inc. (ATI) Stock Volatility History & Chart Since 1999

10-Day

28.60%

September 9, 2026

Summary

Current Value: As of today, ATI 10-day volatility is 28.60%, down -11.37% on September 9, 2026
Value Category: Based on its current 10-day historical volatility, ATI falls into the moderate volatility category
1-Year High: ATI 10-day volatility reached a 1-year high of 68.32% on November 4, 2025
1-Year Low: ATI 10-day volatility reached a 1-year low of 12.27% on November 19, 2025

10-Day Volatility Chart

Performance

ATI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 9, 26	28.60%	-11.4%	-54.8%	+10.0%	+29.1%	-19.9%	+43.5%	-1.8%
1-Month Volatility	Sep 9, 26	30.56%	-2.4%	-42.3%	-17.2%	-2.4%	-0.7%	+42.4%	+7.3%
3-Month Volatility	Sep 9, 26	43.26%	-1.4%	-2.7%	-8.4%	+14.5%	-3.3%	+54.8%	-2.9%
1-Year Volatility	Sep 9, 26	41.30%	-0.4%	+0.3%	-1.4%	-15.6%	-13.4%	+2.7%	-24.1%
14-Day RSI	Sep 9, 26	48.22	-1.3%	-33.4%	-32.5%	-30.8%	+14.4%	-2.8%	+26.6%
Beta	Sep 9, 26	1.62	0.0%	0.0%	+3.9%	+3.9%	+5.9%	+29.6%	-8.5%
ATR	Sep 9, 26	$7.87	-2.6%	-23.7%	+10.0%	+173.8%	+207.0%	+578.1%	+994.0%
Price	Sep 9, 26	$206.54	-0.4%	-9.3%	+10.4%	+80.0%	+175.8%	+364.2%	+1076.9%
200-Day SMA	Sep 9, 26	$159.59	+0.3%	+8.9%	+29.9%	+97.1%	+139.7%	+314.3%	+693.0%
50-Day SMA	Sep 9, 26	$202.79	+0.1%	+5.8%	+26.3%	+99.5%	+147.8%	+352.2%	+938.2%
20-Day SMA	Sep 9, 26	$213.79	-0.6%	+9.9%	+27.0%	+95.8%	+184.4%	+382.2%	+1072.7%

10-Day Volatility History

Date	Value	Change
Sep 9, 2026	28.60%	+29.1%
Dec 31, 2025	22.16%	+10.7%
Dec 31, 2024	20.02%	-13.4%
Dec 31, 2023	23.12%	-49.9%
Dec 31, 2022	46.18%	+95.8%
Dec 31, 2021	23.59%	-30.1%
Dec 31, 2020	33.76%	+41.3%
Dec 31, 2019	23.90%	-33.4%
Dec 31, 2018	35.87%	+30.7%
Dec 31, 2017	27.45%	-38.3%
Dec 31, 2016	44.49%	-45.3%
Dec 31, 2015	81.39%	+126.1%
Dec 31, 2014	35.99%	+43.8%
Dec 31, 2013	25.02%	-28.3%

Date	Value	Change
Dec 31, 2012	34.89%	-33.8%
Dec 31, 2011	52.68%	+25.7%
Dec 31, 2010	41.90%	+3.6%
Dec 31, 2009	40.43%	-43.0%
Dec 31, 2008	70.88%	+76.7%
Dec 31, 2007	40.12%	+37.6%
Dec 31, 2006	29.15%	-19.5%
Dec 31, 2005	36.23%	+5.6%
Dec 31, 2004	34.31%	-50.3%
Dec 31, 2003	69.03%	+39.0%
Dec 31, 2002	49.66%	+42.3%
Dec 31, 2001	34.90%	-68.7%
Dec 31, 2000	111.47%	+129.3%
Dec 31, 1999	48.61%	-

FAQ

What is the current 10-day volatility of ATI?: As of today, ATI 10-day volatility is 28.60%
What 10-day volatility category does ATI fall into?: Based on its current 10-day historical volatility, ATI falls into the moderate volatility category
What is ATI 10-day volatility 1-year high?: ATI 10-day volatility reached a 1-year high of 68.32% on November 4, 2025
What is ATI 10-day volatility 1-year low?: ATI 10-day volatility reached a 1-year low of 12.27% on November 19, 2025

1-Month

30.56%

September 9, 2026

Summary

Current Value: As of today, ATI 1-month volatility is 30.56%, down -2.43% on September 9, 2026
Value Category: Based on its current 1-month historical volatility, ATI falls into the moderate volatility category
1-Year High: ATI 1-month volatility reached a 1-year high of 59.20% on April 2, 2026
1-Year Low: ATI 1-month volatility reached a 1-year low of 19.83% on December 9, 2025

Performance

ATI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 9, 26	30.56%	-2.4%	-42.3%	-17.2%	-2.4%	-0.7%	+42.4%	+7.3%
10-Day Volatility	Sep 9, 26	28.60%	-11.4%	-54.8%	+10.0%	+29.1%	-19.9%	+43.5%	-1.8%
3-Month Volatility	Sep 9, 26	43.26%	-1.4%	-2.7%	-8.4%	+14.5%	-3.3%	+54.8%	-2.9%
1-Year Volatility	Sep 9, 26	41.30%	-0.4%	+0.3%	-1.4%	-15.6%	-13.4%	+2.7%	-24.1%
14-Day RSI	Sep 9, 26	48.22	-1.3%	-33.4%	-32.5%	-30.8%	+14.4%	-2.8%	+26.6%
Beta	Sep 9, 26	1.62	0.0%	0.0%	+3.9%	+3.9%	+5.9%	+29.6%	-8.5%
ATR	Sep 9, 26	$7.87	-2.6%	-23.7%	+10.0%	+173.8%	+207.0%	+578.1%	+994.0%
Price	Sep 9, 26	$206.54	-0.4%	-9.3%	+10.4%	+80.0%	+175.8%	+364.2%	+1076.9%
200-Day SMA	Sep 9, 26	$159.59	+0.3%	+8.9%	+29.9%	+97.1%	+139.7%	+314.3%	+693.0%
50-Day SMA	Sep 9, 26	$202.79	+0.1%	+5.8%	+26.3%	+99.5%	+147.8%	+352.2%	+938.2%
20-Day SMA	Sep 9, 26	$213.79	-0.6%	+9.9%	+27.0%	+95.8%	+184.4%	+382.2%	+1072.7%

1-Month Volatility History

Date	Value	Change
Sep 9, 2026	30.56%	-3.3%
Dec 31, 2025	31.60%	+66.2%
Dec 31, 2024	19.01%	-42.1%
Dec 31, 2023	32.82%	-21.2%
Dec 31, 2022	41.64%	+41.7%
Dec 31, 2021	29.38%	-44.9%
Dec 31, 2020	53.33%	+72.6%
Dec 31, 2019	30.89%	-20.7%
Dec 31, 2018	38.93%	+33.3%
Dec 31, 2017	29.21%	-41.5%
Dec 31, 2016	49.89%	-45.6%
Dec 31, 2015	91.68%	+103.9%
Dec 31, 2014	44.97%	+58.8%
Dec 31, 2013	28.31%	-7.6%

Date	Value	Change
Dec 31, 2012	30.63%	-37.4%
Dec 31, 2011	48.92%	+40.7%
Dec 31, 2010	34.77%	+7.3%
Dec 31, 2009	32.39%	-68.0%
Dec 31, 2008	101.23%	+195.5%
Dec 31, 2007	34.26%	-25.4%
Dec 31, 2006	45.92%	+51.8%
Dec 31, 2005	30.25%	-36.9%
Dec 31, 2004	47.92%	-50.6%
Dec 31, 2003	96.95%	+38.2%
Dec 31, 2002	70.14%	+119.7%
Dec 31, 2001	31.92%	-61.2%
Dec 31, 2000	82.36%	+71.8%
Dec 31, 1999	47.93%	-

FAQ

What is the current 1-month volatility of ATI?: As of today, ATI 1-month volatility is 30.56%
What 1-month volatility category does ATI fall into?: Based on its current 1-month historical volatility, ATI falls into the moderate volatility category
What is ATI 1-month volatility 1-year high?: ATI 1-month volatility reached a 1-year high of 59.20% on April 2, 2026
What is ATI 1-month volatility 1-year low?: ATI 1-month volatility reached a 1-year low of 19.83% on December 9, 2025

3-Month

43.26%

September 9, 2026

Summary

Current Value: As of today, ATI 3-month volatility is 43.26%, down -1.37% on September 9, 2026
Value Category: Based on its current 3-month historical volatility, ATI falls into the high volatility category
1-Year High: ATI 3-month volatility reached a 1-year high of 54.94% on October 30, 2025
1-Year Low: ATI 3-month volatility reached a 1-year low of 25.96% on February 2, 2026

Performance

ATI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 9, 26	43.26%	-1.4%	-2.7%	-8.4%	+14.5%	-3.3%	+54.8%	-2.9%
10-Day Volatility	Sep 9, 26	28.60%	-11.4%	-54.8%	+10.0%	+29.1%	-19.9%	+43.5%	-1.8%
1-Month Volatility	Sep 9, 26	30.56%	-2.4%	-42.3%	-17.2%	-2.4%	-0.7%	+42.4%	+7.3%
1-Year Volatility	Sep 9, 26	41.30%	-0.4%	+0.3%	-1.4%	-15.6%	-13.4%	+2.7%	-24.1%
14-Day RSI	Sep 9, 26	48.22	-1.3%	-33.4%	-32.5%	-30.8%	+14.4%	-2.8%	+26.6%
Beta	Sep 9, 26	1.62	0.0%	0.0%	+3.9%	+3.9%	+5.9%	+29.6%	-8.5%
ATR	Sep 9, 26	$7.87	-2.6%	-23.7%	+10.0%	+173.8%	+207.0%	+578.1%	+994.0%
Price	Sep 9, 26	$206.54	-0.4%	-9.3%	+10.4%	+80.0%	+175.8%	+364.2%	+1076.9%
200-Day SMA	Sep 9, 26	$159.59	+0.3%	+8.9%	+29.9%	+97.1%	+139.7%	+314.3%	+693.0%
50-Day SMA	Sep 9, 26	$202.79	+0.1%	+5.8%	+26.3%	+99.5%	+147.8%	+352.2%	+938.2%
20-Day SMA	Sep 9, 26	$213.79	-0.6%	+9.9%	+27.0%	+95.8%	+184.4%	+382.2%	+1072.7%

3-Month Volatility History

Date	Value	Change
Sep 9, 2026	43.26%	+15.1%
Dec 31, 2025	37.59%	+9.7%
Dec 31, 2024	34.27%	-6.2%
Dec 31, 2023	36.55%	-29.7%
Dec 31, 2022	51.97%	+18.6%
Dec 31, 2021	43.83%	-37.8%
Dec 31, 2020	70.51%	+78.9%
Dec 31, 2019	39.42%	+5.0%
Dec 31, 2018	37.56%	+10.7%
Dec 31, 2017	33.92%	-45.4%
Dec 31, 2016	62.09%	-20.2%
Dec 31, 2015	77.83%	+79.8%
Dec 31, 2014	43.29%	+84.3%
Dec 31, 2013	23.49%	-45.1%

Date	Value	Change
Dec 31, 2012	42.80%	-36.4%
Dec 31, 2011	67.26%	+82.9%
Dec 31, 2010	36.77%	-19.5%
Dec 31, 2009	45.65%	-67.4%
Dec 31, 2008	139.89%	+186.1%
Dec 31, 2007	48.89%	+23.2%
Dec 31, 2006	39.68%	+11.9%
Dec 31, 2005	35.45%	-41.5%
Dec 31, 2004	60.55%	-10.8%
Dec 31, 2003	67.87%	-1.9%
Dec 31, 2002	69.20%	+84.6%
Dec 31, 2001	37.48%	-29.7%
Dec 31, 2000	53.34%	+13.9%
Dec 31, 1999	46.83%	-

FAQ

What is the current 3-month volatility of ATI?: As of today, ATI 3-month volatility is 43.26%
What 3-month volatility category does ATI fall into?: Based on its current 3-month historical volatility, ATI falls into the high volatility category
What is ATI 3-month volatility 1-year high?: ATI 3-month volatility reached a 1-year high of 54.94% on October 30, 2025
What is ATI 3-month volatility 1-year low?: ATI 3-month volatility reached a 1-year low of 25.96% on February 2, 2026

1-Year

41.30%

September 9, 2026

Summary

Current Value: As of today, ATI 1-year volatility is 41.30%, down -0.41% on September 9, 2026
Value Category: Based on its current 1-year historical volatility, ATI falls into the high volatility category
1-Year High: ATI 1-year volatility reached a 1-year high of 50.21% on October 28, 2025
1-Year Low: ATI 1-year volatility reached a 1-year low of 40.05% on July 31, 2026

Performance

ATI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 9, 26	41.30%	-0.4%	+0.3%	-1.4%	-15.6%	-13.4%	+2.7%	-24.1%
10-Day Volatility	Sep 9, 26	28.60%	-11.4%	-54.8%	+10.0%	+29.1%	-19.9%	+43.5%	-1.8%
1-Month Volatility	Sep 9, 26	30.56%	-2.4%	-42.3%	-17.2%	-2.4%	-0.7%	+42.4%	+7.3%
3-Month Volatility	Sep 9, 26	43.26%	-1.4%	-2.7%	-8.4%	+14.5%	-3.3%	+54.8%	-2.9%
1-Year Volatility	Sep 9, 26	41.30%	-0.4%	+0.3%	-1.4%	-15.6%	-13.4%	+2.7%	-24.1%
14-Day RSI	Sep 9, 26	48.22	-1.3%	-33.4%	-32.5%	-30.8%	+14.4%	-2.8%	+26.6%
Beta	Sep 9, 26	1.62	0.0%	0.0%	+3.9%	+3.9%	+5.9%	+29.6%	-8.5%
ATR	Sep 9, 26	$7.87	-2.6%	-23.7%	+10.0%	+173.8%	+207.0%	+578.1%	+994.0%
Price	Sep 9, 26	$206.54	-0.4%	-9.3%	+10.4%	+80.0%	+175.8%	+364.2%	+1076.9%
200-Day SMA	Sep 9, 26	$159.59	+0.3%	+8.9%	+29.9%	+97.1%	+139.7%	+314.3%	+693.0%
50-Day SMA	Sep 9, 26	$202.79	+0.1%	+5.8%	+26.3%	+99.5%	+147.8%	+352.2%	+938.2%
20-Day SMA	Sep 9, 26	$213.79	-0.6%	+9.9%	+27.0%	+95.8%	+184.4%	+382.2%	+1072.7%

1-Year Volatility History

Date	Value	Change
Sep 9, 2026	41.30%	-15.6%
Dec 31, 2025	48.92%	+30.2%
Dec 31, 2024	37.58%	+7.5%
Dec 31, 2023	34.97%	-28.0%
Dec 31, 2022	48.57%	+6.2%
Dec 31, 2021	45.73%	-50.3%
Dec 31, 2020	92.00%	+139.4%
Dec 31, 2019	38.43%	+2.9%
Dec 31, 2018	37.36%	-26.3%
Dec 31, 2017	50.69%	-30.1%
Dec 31, 2016	72.50%	+27.2%
Dec 31, 2015	57.00%	+77.0%
Dec 31, 2014	32.20%	+3.8%
Dec 31, 2013	31.01%	-24.3%

Date	Value	Change
Dec 31, 2012	40.96%	-28.1%
Dec 31, 2011	56.99%	+18.4%
Dec 31, 2010	48.13%	-32.2%
Dec 31, 2009	71.00%	-20.6%
Dec 31, 2008	89.37%	+123.0%
Dec 31, 2007	40.08%	-17.4%
Dec 31, 2006	48.53%	+9.5%
Dec 31, 2005	44.30%	-29.7%
Dec 31, 2004	63.02%	-7.0%
Dec 31, 2003	67.78%	+34.8%
Dec 31, 2002	50.30%	+26.9%
Dec 31, 2001	39.63%	-11.9%
Dec 31, 2000	44.97%	-4.0%
Dec 31, 1999	46.83%	-

FAQ

What is the current 1-year volatility of ATI?: As of today, ATI 1-year volatility is 41.30%
What 1-year volatility category does ATI fall into?: Based on its current 1-year historical volatility, ATI falls into the high volatility category
What is ATI 1-year volatility 1-year high?: ATI 1-year volatility reached a 1-year high of 50.21% on October 28, 2025
What is ATI 1-year volatility 1-year low?: ATI 1-year volatility reached a 1-year low of 40.05% on July 31, 2026

Data Sources & References

ATI Official Website www.atimaterials.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1018963/000162828026004793/0001628280-26-004793-index.htm
ATI Profile on Yahoo Finance finance.yahoo.com/quote/ATI
ATI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ati