What is the current 10-day volatility of TER?

As of today, TER 10-day volatility is 79.75%

What 10-day volatility category does TER fall into?

Based on its current 10-day historical volatility, TER falls into the extreme volatility category

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

TER 10-day volatility reached a 1-year high of 142.40% on May 7, 2026

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

TER 10-day volatility reached a 1-year low of 18.34% on September 8, 2025

What is the current 1-month volatility of TER?

As of today, TER 1-month volatility is 85.49%

What 1-month volatility category does TER fall into?

Based on its current 1-month historical volatility, TER falls into the extreme volatility category

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

TER 1-month volatility reached a 1-year high of 123.68% on July 2, 2026

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

TER 1-month volatility reached a 1-year low of 29.95% on September 17, 2025

What is the current 3-month volatility of TER?

As of today, TER 3-month volatility is 95.42%

What 3-month volatility category does TER fall into?

Based on its current 3-month historical volatility, TER falls into the extreme volatility category

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

TER 3-month volatility reached a 1-year high of 101.49% on July 27, 2026

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

TER 3-month volatility reached a 1-year low of 47.41% on January 29, 2026

What is the current 1-year volatility of TER?

As of today, TER 1-year volatility is 75.79%

What 1-year volatility category does TER fall into?

Based on its current 1-year historical volatility, TER falls into the extreme volatility category

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

TER 1-year volatility reached a 1-year high of 75.79% on August 21, 2026

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

TER 1-year volatility reached a 1-year low of 52.09% on September 19, 2025

Teradyne, Inc. (TER) Stock Volatility History & Chart

10-Day

79.75%

August 21, 2026

Summary

Current Value: As of today, TER 10-day volatility is 79.75%, up +0.36% on August 21, 2026
Value Category: Based on its current 10-day historical volatility, TER falls into the extreme volatility category
1-Year High: TER 10-day volatility reached a 1-year high of 142.40% on May 7, 2026
1-Year Low: TER 10-day volatility reached a 1-year low of 18.34% on September 8, 2025

10-Day Volatility Chart

Performance

TER Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 21, 26	79.75%	+0.4%	-4.3%	+34.1%	+164.8%	+86.1%	+132.0%	+386.9%
1-Month Volatility	Aug 21, 26	85.49%	-8.8%	-23.2%	-16.6%	+128.9%	+20.6%	+175.0%	+275.0%
3-Month Volatility	Aug 21, 26	95.42%	-0.0%	-5.8%	+17.2%	+49.8%	+83.8%	+181.8%	+237.7%
1-Year Volatility	Aug 21, 26	75.79%	+0.1%	+1.8%	+17.7%	+28.3%	+42.3%	+97.9%	+77.7%
14-Day RSI	Aug 21, 26	48.22	-3.3%	-4.0%	-5.6%	-10.9%	-20.2%	+16.9%	+65.8%
Beta	Aug 21, 26	3.26	-0.3%	+2.5%	+18.1%	+77.2%	+84.2%	+111.7%	+85.2%
ATR	Aug 21, 26	$28.80	-2.2%	-13.6%	+34.2%	+354.4%	+651.6%	+894.0%	+707.9%
Price	Aug 21, 26	$375.74	-1.9%	+0.5%	+6.3%	+94.1%	+243.8%	+265.7%	+230.9%
200-Day SMA	Aug 21, 26	$307.46	+0.3%	+9.4%	+35.3%	+158.4%	+206.0%	+206.3%	+149.6%
50-Day SMA	Aug 21, 26	$386.03	+0.1%	+1.6%	+13.4%	+114.3%	+298.3%	+253.8%	+208.1%
20-Day SMA	Aug 21, 26	$379.68	+0.3%	-1.2%	+6.8%	+92.9%	+259.2%	+254.2%	+210.7%

10-Day Volatility History

Date	Value	Change
Aug 21, 2026	79.75%	+164.8%
Dec 31, 2025	30.12%	+14.8%
Dec 31, 2024	26.23%	+3.5%
Dec 31, 2023	25.34%	-26.6%
Dec 31, 2022	34.50%	+11.3%
Dec 31, 2021	31.01%	+56.7%
Dec 31, 2020	19.79%	+86.7%
Dec 31, 2019	10.60%	-76.4%
Dec 31, 2018	44.91%	+134.9%
Dec 31, 2017	19.12%	+53.7%
Dec 31, 2016	12.44%	-39.8%
Dec 31, 2015	20.65%	-18.8%
Dec 31, 2014	25.42%	+38.9%
Dec 31, 2013	18.30%	-11.0%
Dec 31, 2012	20.56%	-51.7%
Dec 31, 2011	42.55%	+80.9%
Dec 31, 2010	23.52%	-4.4%
Dec 31, 2009	24.60%	-57.7%
Dec 31, 2008	58.13%	+205.1%
Dec 31, 2007	19.05%	+19.1%
Dec 31, 2006	15.99%	-60.8%
Dec 31, 2005	40.75%	+64.8%
Dec 31, 2004	24.73%	-42.3%
Dec 31, 2003	42.89%	-25.1%
Dec 31, 2002	57.24%	-1.7%
Dec 31, 2001	58.21%	-28.2%
Dec 31, 2000	81.05%	-16.5%

Date	Value	Change
Dec 31, 1999	97.08%	+86.0%
Dec 31, 1998	52.19%	+9.4%
Dec 31, 1997	47.71%	+66.5%
Dec 31, 1996	28.65%	-65.7%
Dec 31, 1995	83.62%	+200.1%
Dec 31, 1994	27.86%	-17.9%
Dec 31, 1993	33.95%	+39.3%
Dec 31, 1992	24.37%	-41.5%
Dec 31, 1991	41.68%	-31.6%
Dec 31, 1990	60.96%	+68.2%
Dec 31, 1989	36.25%	-27.8%
Dec 31, 1988	50.19%	+21.6%
Dec 31, 1987	41.29%	+69.6%
Dec 31, 1986	24.34%	+7.9%
Dec 31, 1985	22.55%	-64.2%
Dec 31, 1984	63.02%	+79.2%
Dec 31, 1983	35.16%	+6.4%
Dec 31, 1982	33.06%	+8.6%
Dec 31, 1981	30.45%	+41.4%
Dec 31, 1980	21.53%	-11.1%
Dec 31, 1979	24.21%	-60.2%
Dec 31, 1978	60.76%	+109.4%
Dec 31, 1977	29.02%	-20.6%
Dec 31, 1976	36.57%	+58.0%
Dec 31, 1975	23.14%	-76.8%
Dec 31, 1974	99.54%	+7.8%
Dec 31, 1973	92.33%	-

FAQ

What is the current 10-day volatility of TER?: As of today, TER 10-day volatility is 79.75%
What 10-day volatility category does TER fall into?: Based on its current 10-day historical volatility, TER falls into the extreme volatility category
What is TER 10-day volatility 1-year high?: TER 10-day volatility reached a 1-year high of 142.40% on May 7, 2026
What is TER 10-day volatility 1-year low?: TER 10-day volatility reached a 1-year low of 18.34% on September 8, 2025

1-Month

85.49%

August 21, 2026

Summary

Current Value: As of today, TER 1-month volatility is 85.49%, down -8.80% on August 21, 2026
Value Category: Based on its current 1-month historical volatility, TER falls into the extreme volatility category
1-Year High: TER 1-month volatility reached a 1-year high of 123.68% on July 2, 2026
1-Year Low: TER 1-month volatility reached a 1-year low of 29.95% on September 17, 2025

Performance

TER Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 21, 26	85.49%	-8.8%	-23.2%	-16.6%	+128.9%	+20.6%	+175.0%	+275.0%
10-Day Volatility	Aug 21, 26	79.75%	+0.4%	-4.3%	+34.1%	+164.8%	+86.1%	+132.0%	+386.9%
3-Month Volatility	Aug 21, 26	95.42%	-0.0%	-5.8%	+17.2%	+49.8%	+83.8%	+181.8%	+237.7%
1-Year Volatility	Aug 21, 26	75.79%	+0.1%	+1.8%	+17.7%	+28.3%	+42.3%	+97.9%	+77.7%
14-Day RSI	Aug 21, 26	48.22	-3.3%	-4.0%	-5.6%	-10.9%	-20.2%	+16.9%	+65.8%
Beta	Aug 21, 26	3.26	-0.3%	+2.5%	+18.1%	+77.2%	+84.2%	+111.7%	+85.2%
ATR	Aug 21, 26	$28.80	-2.2%	-13.6%	+34.2%	+354.4%	+651.6%	+894.0%	+707.9%
Price	Aug 21, 26	$375.74	-1.9%	+0.5%	+6.3%	+94.1%	+243.8%	+265.7%	+230.9%
200-Day SMA	Aug 21, 26	$307.46	+0.3%	+9.4%	+35.3%	+158.4%	+206.0%	+206.3%	+149.6%
50-Day SMA	Aug 21, 26	$386.03	+0.1%	+1.6%	+13.4%	+114.3%	+298.3%	+253.8%	+208.1%
20-Day SMA	Aug 21, 26	$379.68	+0.3%	-1.2%	+6.8%	+92.9%	+259.2%	+254.2%	+210.7%

1-Month Volatility History

Date	Value	Change
Aug 21, 2026	85.49%	+131.9%
Dec 31, 2025	36.87%	+5.3%
Dec 31, 2024	35.02%	-4.4%
Dec 31, 2023	36.65%	-8.2%
Dec 31, 2022	39.91%	+19.8%
Dec 31, 2021	33.31%	+19.2%
Dec 31, 2020	27.95%	+60.5%
Dec 31, 2019	17.41%	-54.5%
Dec 31, 2018	38.23%	+119.3%
Dec 31, 2017	17.43%	-33.4%
Dec 31, 2016	26.19%	+28.9%
Dec 31, 2015	20.32%	-16.8%
Dec 31, 2014	24.42%	+25.0%
Dec 31, 2013	19.53%	-5.1%
Dec 31, 2012	20.59%	-50.9%
Dec 31, 2011	41.94%	+30.6%
Dec 31, 2010	32.12%	-6.6%
Dec 31, 2009	34.40%	-57.4%
Dec 31, 2008	80.76%	+165.3%
Dec 31, 2007	30.44%	+66.1%
Dec 31, 2006	18.33%	-57.6%
Dec 31, 2005	43.25%	+36.1%
Dec 31, 2004	31.78%	-25.0%
Dec 31, 2003	42.39%	-43.4%
Dec 31, 2002	74.93%	+7.5%
Dec 31, 2001	69.71%	-26.8%
Dec 31, 2000	95.23%	-4.5%

Date	Value	Change
Dec 31, 1999	99.69%	+44.4%
Dec 31, 1998	69.02%	-11.6%
Dec 31, 1997	78.06%	+77.3%
Dec 31, 1996	44.02%	-40.4%
Dec 31, 1995	73.86%	+102.7%
Dec 31, 1994	36.43%	-27.2%
Dec 31, 1993	50.02%	+40.9%
Dec 31, 1992	35.49%	-7.7%
Dec 31, 1991	38.46%	-38.6%
Dec 31, 1990	62.64%	+84.8%
Dec 31, 1989	33.90%	-22.6%
Dec 31, 1988	43.79%	-30.4%
Dec 31, 1987	62.92%	+51.4%
Dec 31, 1986	41.57%	+1.3%
Dec 31, 1985	41.02%	-28.0%
Dec 31, 1984	56.97%	+62.7%
Dec 31, 1983	35.01%	-17.0%
Dec 31, 1982	42.18%	+34.1%
Dec 31, 1981	31.45%	-1.8%
Dec 31, 1980	32.02%	-6.9%
Dec 31, 1979	34.40%	-40.0%
Dec 31, 1978	57.37%	+122.2%
Dec 31, 1977	25.82%	-38.5%
Dec 31, 1976	41.96%	+28.9%
Dec 31, 1975	32.56%	-62.8%
Dec 31, 1974	87.43%	-5.0%
Dec 31, 1973	92.04%	-

FAQ

What is the current 1-month volatility of TER?: As of today, TER 1-month volatility is 85.49%
What 1-month volatility category does TER fall into?: Based on its current 1-month historical volatility, TER falls into the extreme volatility category
What is TER 1-month volatility 1-year high?: TER 1-month volatility reached a 1-year high of 123.68% on July 2, 2026
What is TER 1-month volatility 1-year low?: TER 1-month volatility reached a 1-year low of 29.95% on September 17, 2025

3-Month

95.42%

August 21, 2026

Summary

Current Value: As of today, TER 3-month volatility is 95.42%, down -0.01% on August 21, 2026
Value Category: Based on its current 3-month historical volatility, TER falls into the extreme volatility category
1-Year High: TER 3-month volatility reached a 1-year high of 101.49% on July 27, 2026
1-Year Low: TER 3-month volatility reached a 1-year low of 47.41% on January 29, 2026

Performance

TER Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 21, 26	95.42%	-0.0%	-5.8%	+17.2%	+49.8%	+83.8%	+181.8%	+237.7%
10-Day Volatility	Aug 21, 26	79.75%	+0.4%	-4.3%	+34.1%	+164.8%	+86.1%	+132.0%	+386.9%
1-Month Volatility	Aug 21, 26	85.49%	-8.8%	-23.2%	-16.6%	+128.9%	+20.6%	+175.0%	+275.0%
1-Year Volatility	Aug 21, 26	75.79%	+0.1%	+1.8%	+17.7%	+28.3%	+42.3%	+97.9%	+77.7%
14-Day RSI	Aug 21, 26	48.22	-3.3%	-4.0%	-5.6%	-10.9%	-20.2%	+16.9%	+65.8%
Beta	Aug 21, 26	3.26	-0.3%	+2.5%	+18.1%	+77.2%	+84.2%	+111.7%	+85.2%
ATR	Aug 21, 26	$28.80	-2.2%	-13.6%	+34.2%	+354.4%	+651.6%	+894.0%	+707.9%
Price	Aug 21, 26	$375.74	-1.9%	+0.5%	+6.3%	+94.1%	+243.8%	+265.7%	+230.9%
200-Day SMA	Aug 21, 26	$307.46	+0.3%	+9.4%	+35.3%	+158.4%	+206.0%	+206.3%	+149.6%
50-Day SMA	Aug 21, 26	$386.03	+0.1%	+1.6%	+13.4%	+114.3%	+298.3%	+253.8%	+208.1%
20-Day SMA	Aug 21, 26	$379.68	+0.3%	-1.2%	+6.8%	+92.9%	+259.2%	+254.2%	+210.7%

3-Month Volatility History

Date	Value	Change
Aug 21, 2026	95.42%	+50.7%
Dec 31, 2025	63.32%	+63.1%
Dec 31, 2024	38.83%	+20.4%
Dec 31, 2023	32.24%	-34.2%
Dec 31, 2022	49.02%	+28.9%
Dec 31, 2021	38.03%	+15.2%
Dec 31, 2020	33.02%	+32.7%
Dec 31, 2019	24.89%	-40.7%
Dec 31, 2018	41.95%	+77.1%
Dec 31, 2017	23.69%	+13.7%
Dec 31, 2016	20.84%	-29.9%
Dec 31, 2015	29.75%	-7.4%
Dec 31, 2014	32.12%	+47.7%
Dec 31, 2013	21.74%	-26.3%
Dec 31, 2012	29.49%	-45.6%
Dec 31, 2011	54.18%	+47.0%
Dec 31, 2010	36.86%	-13.6%
Dec 31, 2009	42.68%	-53.4%
Dec 31, 2008	91.68%	+154.7%
Dec 31, 2007	36.00%	+29.2%
Dec 31, 2006	27.86%	-25.6%
Dec 31, 2005	37.46%	-7.0%
Dec 31, 2004	40.26%	-22.1%
Dec 31, 2003	51.65%	-47.5%
Dec 31, 2002	98.35%	+27.2%
Dec 31, 2001	77.33%	-36.0%
Dec 31, 2000	120.76%	+54.4%

Date	Value	Change
Dec 31, 1999	78.21%	-2.7%
Dec 31, 1998	80.39%	-9.7%
Dec 31, 1997	89.07%	+71.2%
Dec 31, 1996	52.03%	-34.8%
Dec 31, 1995	79.76%	+110.8%
Dec 31, 1994	37.84%	-31.7%
Dec 31, 1993	55.39%	+45.3%
Dec 31, 1992	38.12%	-15.5%
Dec 31, 1991	45.13%	-27.8%
Dec 31, 1990	62.50%	+74.7%
Dec 31, 1989	35.78%	-16.8%
Dec 31, 1988	43.03%	-59.5%
Dec 31, 1987	106.34%	+117.3%
Dec 31, 1986	48.94%	+4.2%
Dec 31, 1985	46.95%	-7.8%
Dec 31, 1984	50.93%	+7.0%
Dec 31, 1983	47.60%	-5.4%
Dec 31, 1982	50.33%	+50.7%
Dec 31, 1981	33.40%	-22.5%
Dec 31, 1980	43.11%	-2.6%
Dec 31, 1979	44.25%	-28.9%
Dec 31, 1978	62.27%	+64.8%
Dec 31, 1977	37.79%	+3.4%
Dec 31, 1976	36.56%	-19.8%
Dec 31, 1975	45.61%	-42.4%
Dec 31, 1974	79.17%	+6.9%
Dec 31, 1973	74.05%	-

FAQ

What is the current 3-month volatility of TER?: As of today, TER 3-month volatility is 95.42%
What 3-month volatility category does TER fall into?: Based on its current 3-month historical volatility, TER falls into the extreme volatility category
What is TER 3-month volatility 1-year high?: TER 3-month volatility reached a 1-year high of 101.49% on July 27, 2026
What is TER 3-month volatility 1-year low?: TER 3-month volatility reached a 1-year low of 47.41% on January 29, 2026

1-Year

75.79%

August 21, 2026

Summary

Current Value: As of today, TER 1-year volatility is 75.79%, up +0.05% on August 21, 2026
Value Category: Based on its current 1-year historical volatility, TER falls into the extreme volatility category
1-Year High: TER 1-year volatility reached a 1-year high of 75.79% on August 21, 2026
1-Year Low: TER 1-year volatility reached a 1-year low of 52.09% on September 19, 2025

Performance

TER Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 21, 26	75.79%	+0.1%	+1.8%	+17.7%	+28.3%	+42.3%	+97.9%	+77.7%
10-Day Volatility	Aug 21, 26	79.75%	+0.4%	-4.3%	+34.1%	+164.8%	+86.1%	+132.0%	+386.9%
1-Month Volatility	Aug 21, 26	85.49%	-8.8%	-23.2%	-16.6%	+128.9%	+20.6%	+175.0%	+275.0%
3-Month Volatility	Aug 21, 26	95.42%	-0.0%	-5.8%	+17.2%	+49.8%	+83.8%	+181.8%	+237.7%
1-Year Volatility	Aug 21, 26	75.79%	+0.1%	+1.8%	+17.7%	+28.3%	+42.3%	+97.9%	+77.7%
14-Day RSI	Aug 21, 26	48.22	-3.3%	-4.0%	-5.6%	-10.9%	-20.2%	+16.9%	+65.8%
Beta	Aug 21, 26	3.26	-0.3%	+2.5%	+18.1%	+77.2%	+84.2%	+111.7%	+85.2%
ATR	Aug 21, 26	$28.80	-2.2%	-13.6%	+34.2%	+354.4%	+651.6%	+894.0%	+707.9%
Price	Aug 21, 26	$375.74	-1.9%	+0.5%	+6.3%	+94.1%	+243.8%	+265.7%	+230.9%
200-Day SMA	Aug 21, 26	$307.46	+0.3%	+9.4%	+35.3%	+158.4%	+206.0%	+206.3%	+149.6%
50-Day SMA	Aug 21, 26	$386.03	+0.1%	+1.6%	+13.4%	+114.3%	+298.3%	+253.8%	+208.1%
20-Day SMA	Aug 21, 26	$379.68	+0.3%	-1.2%	+6.8%	+92.9%	+259.2%	+254.2%	+210.7%

1-Year Volatility History

Date	Value	Change
Aug 21, 2026	75.79%	+28.3%
Dec 31, 2025	59.06%	+33.5%
Dec 31, 2024	44.23%	+37.0%
Dec 31, 2023	32.29%	-38.5%
Dec 31, 2022	52.51%	+22.7%
Dec 31, 2021	42.79%	-19.3%
Dec 31, 2020	53.03%	+40.0%
Dec 31, 2019	37.88%	-2.9%
Dec 31, 2018	39.00%	+56.1%
Dec 31, 2017	24.98%	-1.4%
Dec 31, 2016	25.33%	-13.4%
Dec 31, 2015	29.26%	+15.0%
Dec 31, 2014	25.44%	-2.8%
Dec 31, 2013	26.16%	-20.4%
Dec 31, 2012	32.85%	-30.3%
Dec 31, 2011	47.16%	+2.6%
Dec 31, 2010	45.97%	-26.2%
Dec 31, 2009	62.27%	-0.3%
Dec 31, 2008	62.43%	+109.9%
Dec 31, 2007	29.74%	-16.8%
Dec 31, 2006	35.75%	-14.7%
Dec 31, 2005	41.91%	-13.7%
Dec 31, 2004	48.59%	-13.5%
Dec 31, 2003	56.17%	-28.4%
Dec 31, 2002	78.43%	+0.3%
Dec 31, 2001	78.20%	-19.3%
Dec 31, 2000	96.94%	+31.7%

Date	Value	Change
Dec 31, 1999	73.62%	+6.7%
Dec 31, 1998	68.98%	-1.5%
Dec 31, 1997	70.05%	+28.3%
Dec 31, 1996	54.59%	+2.4%
Dec 31, 1995	53.32%	+26.0%
Dec 31, 1994	42.31%	-14.1%
Dec 31, 1993	49.25%	-4.5%
Dec 31, 1992	51.56%	+3.8%
Dec 31, 1991	49.68%	+3.5%
Dec 31, 1990	47.98%	+38.6%
Dec 31, 1989	34.63%	-16.0%
Dec 31, 1988	41.21%	-38.7%
Dec 31, 1987	67.21%	+57.7%
Dec 31, 1986	42.62%	-1.3%
Dec 31, 1985	43.16%	-8.5%
Dec 31, 1984	47.16%	-9.9%
Dec 31, 1983	52.37%	+31.4%
Dec 31, 1982	39.86%	+8.9%
Dec 31, 1981	36.61%	-19.6%
Dec 31, 1980	45.53%	+4.2%
Dec 31, 1979	43.70%	-0.5%
Dec 31, 1978	43.92%	+16.9%
Dec 31, 1977	37.56%	-13.3%
Dec 31, 1976	43.30%	-26.6%
Dec 31, 1975	59.01%	-3.5%
Dec 31, 1974	61.16%	-2.7%
Dec 31, 1973	62.88%	-

FAQ

What is the current 1-year volatility of TER?: As of today, TER 1-year volatility is 75.79%
What 1-year volatility category does TER fall into?: Based on its current 1-year historical volatility, TER falls into the extreme volatility category
What is TER 1-year volatility 1-year high?: TER 1-year volatility reached a 1-year high of 75.79% on August 21, 2026
What is TER 1-year volatility 1-year low?: TER 1-year volatility reached a 1-year low of 52.09% on September 19, 2025

Data Sources & References

TER Official Website www.teradyne.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/97210/000119312526034348/0001193125-26-034348-index.htm
TER Profile on Yahoo Finance finance.yahoo.com/quote/TER
TER Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ter