What is the current 10-day volatility of RIO?

As of today, RIO 10-day volatility is 33.66%

What 10-day volatility category does RIO fall into?

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

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

RIO 10-day volatility reached a 1-year high of 51.97% on February 12, 2026

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

RIO 10-day volatility reached a 1-year low of 11.75% on November 19, 2025

What is the current 1-month volatility of RIO?

As of today, RIO 1-month volatility is 30.52%

What 1-month volatility category does RIO fall into?

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

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

RIO 1-month volatility reached a 1-year high of 42.93% on February 6, 2026

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

RIO 1-month volatility reached a 1-year low of 15.90% on December 5, 2025

What is the current 3-month volatility of RIO?

As of today, RIO 3-month volatility is 32.69%

What 3-month volatility category does RIO fall into?

Based on its current 3-month historical volatility, RIO falls into the moderate volatility category

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

RIO 3-month volatility reached a 1-year high of 37.48% on April 8, 2026

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

RIO 3-month volatility reached a 1-year low of 20.68% on October 30, 2025

What is the current 1-year volatility of RIO?

As of today, RIO 1-year volatility is 30.30%

What 1-year volatility category does RIO fall into?

Based on its current 1-year historical volatility, RIO falls into the moderate volatility category

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

RIO 1-year volatility reached a 1-year high of 30.30% on August 19, 2026

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

RIO 1-year volatility reached a 1-year low of 24.02% on December 19, 2025

Rio Tinto Group (RIO) Stock Volatility History & Chart

10-Day

33.66%

August 19, 2026

Summary

Current Value: As of today, RIO 10-day volatility is 33.66%, up +13.91% on August 19, 2026
Value Category: Based on its current 10-day historical volatility, RIO falls into the moderate volatility category
1-Year High: RIO 10-day volatility reached a 1-year high of 51.97% on February 12, 2026
1-Year Low: RIO 10-day volatility reached a 1-year low of 11.75% on November 19, 2025

10-Day Volatility Chart

Performance

RIO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 19, 26	33.66%	+13.9%	+0.8%	-32.0%	+62.1%	+54.6%	+39.4%	-23.5%
1-Month Volatility	Aug 19, 26	30.52%	+6.0%	+3.4%	-23.4%	+48.3%	+11.3%	+13.5%	-34.0%
3-Month Volatility	Aug 19, 26	32.69%	+2.0%	-8.2%	-6.7%	+52.4%	+33.0%	+13.3%	-7.9%
1-Year Volatility	Aug 19, 26	30.30%	+0.7%	+0.9%	+6.8%	+24.8%	+16.3%	-10.1%	-8.3%
14-Day RSI	Aug 19, 26	57.68	+16.4%	+51.1%	+19.4%	-13.8%	+21.1%	+75.0%	+97.1%
Beta	Aug 19, 26	1.24	0.0%	-2.4%	+11.7%	+103.3%	+106.7%	+53.1%	+29.2%
ATR	Aug 19, 26	$2.35	+6.8%	-1.6%	-20.6%	+84.6%	+105.9%	+75.1%	-5.0%
Price	Aug 19, 26	$100.44	+3.9%	+11.4%	-0.5%	+25.5%	+65.8%	+69.3%	+38.7%
200-Day SMA	Aug 19, 26	$91.29	+0.2%	+3.6%	+13.0%	+42.1%	+50.1%	+35.6%	+12.9%
50-Day SMA	Aug 19, 26	$96.11	-0.0%	-4.4%	-0.6%	+31.2%	+60.3%	+48.6%	+14.7%
20-Day SMA	Aug 19, 26	$97.18	+0.4%	+4.2%	-5.4%	+25.6%	+57.9%	+52.8%	+16.6%

10-Day Volatility History

Date	Value	Change
Aug 19, 2026	33.66%	+62.1%
Dec 31, 2025	20.76%	+7.4%
Dec 31, 2024	19.33%	+15.8%
Dec 31, 2023	16.69%	+0.4%
Dec 31, 2022	16.62%	-6.0%
Dec 31, 2021	17.68%	+39.5%
Dec 31, 2020	12.67%	+107.7%
Dec 31, 2019	6.10%	-74.4%
Dec 31, 2018	23.82%	+35.7%
Dec 31, 2017	17.55%	-17.1%
Dec 31, 2016	21.18%	-50.3%
Dec 31, 2015	42.60%	+42.9%
Dec 31, 2014	29.81%	+184.4%
Dec 31, 2013	10.48%	-58.8%
Dec 31, 2012	25.46%	-37.0%
Dec 31, 2011	40.44%	+139.1%
Dec 31, 2010	16.91%	-33.8%
Dec 31, 2009	25.53%	-60.8%
Dec 31, 2008	65.16%	+52.8%

Date	Value	Change
Dec 31, 2007	42.65%	+46.2%
Dec 31, 2006	29.18%	+64.1%
Dec 31, 2005	17.78%	+63.6%
Dec 31, 2004	10.87%	-10.2%
Dec 31, 2003	12.10%	-36.5%
Dec 31, 2002	19.05%	-59.1%
Dec 31, 2001	46.60%	+67.3%
Dec 31, 2000	27.86%	-18.0%
Dec 31, 1999	33.97%	-4.1%
Dec 31, 1998	35.42%	-19.1%
Dec 31, 1997	43.79%	+216.2%
Dec 31, 1996	13.85%	-23.5%
Dec 31, 1995	18.11%	+42.0%
Dec 31, 1994	12.75%	-6.5%
Dec 31, 1993	13.63%	-24.4%
Dec 31, 1992	18.04%	-22.4%
Dec 31, 1991	23.26%	+76.3%
Dec 31, 1990	13.19%	-

FAQ

What is the current 10-day volatility of RIO?: As of today, RIO 10-day volatility is 33.66%
What 10-day volatility category does RIO fall into?: Based on its current 10-day historical volatility, RIO falls into the moderate volatility category
What is RIO 10-day volatility 1-year high?: RIO 10-day volatility reached a 1-year high of 51.97% on February 12, 2026
What is RIO 10-day volatility 1-year low?: RIO 10-day volatility reached a 1-year low of 11.75% on November 19, 2025

1-Month

30.52%

August 19, 2026

Summary

Current Value: As of today, RIO 1-month volatility is 30.52%, up +5.97% on August 19, 2026
Value Category: Based on its current 1-month historical volatility, RIO falls into the moderate volatility category
1-Year High: RIO 1-month volatility reached a 1-year high of 42.93% on February 6, 2026
1-Year Low: RIO 1-month volatility reached a 1-year low of 15.90% on December 5, 2025

Performance

RIO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 19, 26	30.52%	+6.0%	+3.4%	-23.4%	+48.3%	+11.3%	+13.5%	-34.0%
10-Day Volatility	Aug 19, 26	33.66%	+13.9%	+0.8%	-32.0%	+62.1%	+54.6%	+39.4%	-23.5%
3-Month Volatility	Aug 19, 26	32.69%	+2.0%	-8.2%	-6.7%	+52.4%	+33.0%	+13.3%	-7.9%
1-Year Volatility	Aug 19, 26	30.30%	+0.7%	+0.9%	+6.8%	+24.8%	+16.3%	-10.1%	-8.3%
14-Day RSI	Aug 19, 26	57.68	+16.4%	+51.1%	+19.4%	-13.8%	+21.1%	+75.0%	+97.1%
Beta	Aug 19, 26	1.24	0.0%	-2.4%	+11.7%	+103.3%	+106.7%	+53.1%	+29.2%
ATR	Aug 19, 26	$2.35	+6.8%	-1.6%	-20.6%	+84.6%	+105.9%	+75.1%	-5.0%
Price	Aug 19, 26	$100.44	+3.9%	+11.4%	-0.5%	+25.5%	+65.8%	+69.3%	+38.7%
200-Day SMA	Aug 19, 26	$91.29	+0.2%	+3.6%	+13.0%	+42.1%	+50.1%	+35.6%	+12.9%
50-Day SMA	Aug 19, 26	$96.11	-0.0%	-4.4%	-0.6%	+31.2%	+60.3%	+48.6%	+14.7%
20-Day SMA	Aug 19, 26	$97.18	+0.4%	+4.2%	-5.4%	+25.6%	+57.9%	+52.8%	+16.6%

1-Month Volatility History

Date	Value	Change
Aug 19, 2026	30.52%	+51.5%
Dec 31, 2025	20.15%	-20.1%
Dec 31, 2024	25.21%	+6.9%
Dec 31, 2023	23.58%	+26.6%
Dec 31, 2022	18.63%	-28.5%
Dec 31, 2021	26.04%	+1.6%
Dec 31, 2020	25.64%	+120.1%
Dec 31, 2019	11.65%	-55.1%
Dec 31, 2018	25.95%	+30.1%
Dec 31, 2017	19.94%	-34.9%
Dec 31, 2016	30.63%	-35.1%
Dec 31, 2015	47.22%	+42.2%
Dec 31, 2014	33.20%	+85.0%
Dec 31, 2013	17.95%	-15.7%
Dec 31, 2012	21.30%	-45.4%
Dec 31, 2011	38.99%	+59.5%
Dec 31, 2010	24.44%	-34.2%
Dec 31, 2009	37.16%	-76.1%
Dec 31, 2008	155.64%	+270.7%

Date	Value	Change
Dec 31, 2007	41.98%	+52.2%
Dec 31, 2006	27.59%	+29.9%
Dec 31, 2005	21.24%	+20.9%
Dec 31, 2004	17.57%	-22.0%
Dec 31, 2003	22.53%	-1.9%
Dec 31, 2002	22.97%	-37.1%
Dec 31, 2001	36.51%	+20.7%
Dec 31, 2000	30.24%	-37.5%
Dec 31, 1999	48.35%	+57.7%
Dec 31, 1998	30.65%	-20.0%
Dec 31, 1997	38.33%	+128.2%
Dec 31, 1996	16.80%	+1.6%
Dec 31, 1995	16.54%	+47.8%
Dec 31, 1994	11.19%	-33.4%
Dec 31, 1993	16.80%	-18.2%
Dec 31, 1992	20.54%	-44.1%
Dec 31, 1991	36.77%	+109.4%
Dec 31, 1990	17.56%	-

FAQ

What is the current 1-month volatility of RIO?: As of today, RIO 1-month volatility is 30.52%
What 1-month volatility category does RIO fall into?: Based on its current 1-month historical volatility, RIO falls into the moderate volatility category
What is RIO 1-month volatility 1-year high?: RIO 1-month volatility reached a 1-year high of 42.93% on February 6, 2026
What is RIO 1-month volatility 1-year low?: RIO 1-month volatility reached a 1-year low of 15.90% on December 5, 2025

3-Month

32.69%

August 19, 2026

Summary

Current Value: As of today, RIO 3-month volatility is 32.69%, up +2.03% on August 19, 2026
Value Category: Based on its current 3-month historical volatility, RIO falls into the moderate volatility category
1-Year High: RIO 3-month volatility reached a 1-year high of 37.48% on April 8, 2026
1-Year Low: RIO 3-month volatility reached a 1-year low of 20.68% on October 30, 2025

Performance

RIO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 19, 26	32.69%	+2.0%	-8.2%	-6.7%	+52.4%	+33.0%	+13.3%	-7.9%
10-Day Volatility	Aug 19, 26	33.66%	+13.9%	+0.8%	-32.0%	+62.1%	+54.6%	+39.4%	-23.5%
1-Month Volatility	Aug 19, 26	30.52%	+6.0%	+3.4%	-23.4%	+48.3%	+11.3%	+13.5%	-34.0%
1-Year Volatility	Aug 19, 26	30.30%	+0.7%	+0.9%	+6.8%	+24.8%	+16.3%	-10.1%	-8.3%
14-Day RSI	Aug 19, 26	57.68	+16.4%	+51.1%	+19.4%	-13.8%	+21.1%	+75.0%	+97.1%
Beta	Aug 19, 26	1.24	0.0%	-2.4%	+11.7%	+103.3%	+106.7%	+53.1%	+29.2%
ATR	Aug 19, 26	$2.35	+6.8%	-1.6%	-20.6%	+84.6%	+105.9%	+75.1%	-5.0%
Price	Aug 19, 26	$100.44	+3.9%	+11.4%	-0.5%	+25.5%	+65.8%	+69.3%	+38.7%
200-Day SMA	Aug 19, 26	$91.29	+0.2%	+3.6%	+13.0%	+42.1%	+50.1%	+35.6%	+12.9%
50-Day SMA	Aug 19, 26	$96.11	-0.0%	-4.4%	-0.6%	+31.2%	+60.3%	+48.6%	+14.7%
20-Day SMA	Aug 19, 26	$97.18	+0.4%	+4.2%	-5.4%	+25.6%	+57.9%	+52.8%	+16.6%

3-Month Volatility History

Date	Value	Change
Aug 19, 2026	32.69%	+53.6%
Dec 31, 2025	21.28%	-10.2%
Dec 31, 2024	23.70%	+2.1%
Dec 31, 2023	23.21%	-41.4%
Dec 31, 2022	39.61%	+43.5%
Dec 31, 2021	27.61%	+4.0%
Dec 31, 2020	26.56%	+23.2%
Dec 31, 2019	21.55%	-21.9%
Dec 31, 2018	27.60%	+26.4%
Dec 31, 2017	21.83%	-33.1%
Dec 31, 2016	32.65%	-15.3%
Dec 31, 2015	38.54%	+8.2%
Dec 31, 2014	35.63%	+75.2%
Dec 31, 2013	20.34%	-17.6%
Dec 31, 2012	24.69%	-57.7%
Dec 31, 2011	58.40%	+75.4%
Dec 31, 2010	33.29%	-22.0%
Dec 31, 2009	42.67%	-73.2%
Dec 31, 2008	158.98%	+122.9%

Date	Value	Change
Dec 31, 2007	71.32%	+160.9%
Dec 31, 2006	27.34%	+7.1%
Dec 31, 2005	25.52%	+13.5%
Dec 31, 2004	22.48%	-7.6%
Dec 31, 2003	24.34%	-20.9%
Dec 31, 2002	30.76%	-12.0%
Dec 31, 2001	34.95%	+6.1%
Dec 31, 2000	32.93%	-15.6%
Dec 31, 1999	39.03%	+21.5%
Dec 31, 1998	32.13%	-14.2%
Dec 31, 1997	37.43%	+95.9%
Dec 31, 1996	19.11%	+25.1%
Dec 31, 1995	15.28%	+3.9%
Dec 31, 1994	14.70%	-22.0%
Dec 31, 1993	18.84%	-43.0%
Dec 31, 1992	33.03%	+19.8%
Dec 31, 1991	27.57%	-5.0%
Dec 31, 1990	29.03%	-

FAQ

What is the current 3-month volatility of RIO?: As of today, RIO 3-month volatility is 32.69%
What 3-month volatility category does RIO fall into?: Based on its current 3-month historical volatility, RIO falls into the moderate volatility category
What is RIO 3-month volatility 1-year high?: RIO 3-month volatility reached a 1-year high of 37.48% on April 8, 2026
What is RIO 3-month volatility 1-year low?: RIO 3-month volatility reached a 1-year low of 20.68% on October 30, 2025

1-Year

30.30%

August 19, 2026

Summary

Current Value: As of today, RIO 1-year volatility is 30.30%, up +0.73% on August 19, 2026
Value Category: Based on its current 1-year historical volatility, RIO falls into the moderate volatility category
1-Year High: RIO 1-year volatility reached a 1-year high of 30.30% on August 19, 2026
1-Year Low: RIO 1-year volatility reached a 1-year low of 24.02% on December 19, 2025

Performance

RIO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 19, 26	30.30%	+0.7%	+0.9%	+6.8%	+24.8%	+16.3%	-10.1%	-8.3%
10-Day Volatility	Aug 19, 26	33.66%	+13.9%	+0.8%	-32.0%	+62.1%	+54.6%	+39.4%	-23.5%
1-Month Volatility	Aug 19, 26	30.52%	+6.0%	+3.4%	-23.4%	+48.3%	+11.3%	+13.5%	-34.0%
3-Month Volatility	Aug 19, 26	32.69%	+2.0%	-8.2%	-6.7%	+52.4%	+33.0%	+13.3%	-7.9%
1-Year Volatility	Aug 19, 26	30.30%	+0.7%	+0.9%	+6.8%	+24.8%	+16.3%	-10.1%	-8.3%
14-Day RSI	Aug 19, 26	57.68	+16.4%	+51.1%	+19.4%	-13.8%	+21.1%	+75.0%	+97.1%
Beta	Aug 19, 26	1.24	0.0%	-2.4%	+11.7%	+103.3%	+106.7%	+53.1%	+29.2%
ATR	Aug 19, 26	$2.35	+6.8%	-1.6%	-20.6%	+84.6%	+105.9%	+75.1%	-5.0%
Price	Aug 19, 26	$100.44	+3.9%	+11.4%	-0.5%	+25.5%	+65.8%	+69.3%	+38.7%
200-Day SMA	Aug 19, 26	$91.29	+0.2%	+3.6%	+13.0%	+42.1%	+50.1%	+35.6%	+12.9%
50-Day SMA	Aug 19, 26	$96.11	-0.0%	-4.4%	-0.6%	+31.2%	+60.3%	+48.6%	+14.7%
20-Day SMA	Aug 19, 26	$97.18	+0.4%	+4.2%	-5.4%	+25.6%	+57.9%	+52.8%	+16.6%

1-Year Volatility History

Date	Value	Change
Aug 19, 2026	30.30%	+24.8%
Dec 31, 2025	24.28%	+5.3%
Dec 31, 2024	23.05%	-16.2%
Dec 31, 2023	27.49%	-26.7%
Dec 31, 2022	37.50%	+13.1%
Dec 31, 2021	33.16%	-25.5%
Dec 31, 2020	44.52%	+81.7%
Dec 31, 2019	24.50%	-10.3%
Dec 31, 2018	27.31%	+0.4%
Dec 31, 2017	27.19%	-39.3%
Dec 31, 2016	44.82%	+32.9%
Dec 31, 2015	33.73%	+19.2%
Dec 31, 2014	28.30%	-1.8%
Dec 31, 2013	28.83%	-16.8%
Dec 31, 2012	34.67%	-27.0%
Dec 31, 2011	47.48%	+11.6%
Dec 31, 2010	42.56%	-40.7%
Dec 31, 2009	71.78%	-25.8%
Dec 31, 2008	96.76%	+93.6%

Date	Value	Change
Dec 31, 2007	49.99%	+39.9%
Dec 31, 2006	35.72%	+36.0%
Dec 31, 2005	26.26%	-0.6%
Dec 31, 2004	26.43%	+2.1%
Dec 31, 2003	25.88%	-20.2%
Dec 31, 2002	32.44%	-12.3%
Dec 31, 2001	36.98%	-10.7%
Dec 31, 2000	41.41%	+7.6%
Dec 31, 1999	38.47%	+20.6%
Dec 31, 1998	31.89%	+29.2%
Dec 31, 1997	24.68%	+40.3%
Dec 31, 1996	17.59%	+11.8%
Dec 31, 1995	15.73%	-17.4%
Dec 31, 1994	19.04%	-12.2%
Dec 31, 1993	21.68%	-18.6%
Dec 31, 1992	26.65%	+11.6%
Dec 31, 1991	23.88%	-12.1%
Dec 31, 1990	27.18%	-

FAQ

What is the current 1-year volatility of RIO?: As of today, RIO 1-year volatility is 30.30%
What 1-year volatility category does RIO fall into?: Based on its current 1-year historical volatility, RIO falls into the moderate volatility category
What is RIO 1-year volatility 1-year high?: RIO 1-year volatility reached a 1-year high of 30.30% on August 19, 2026
What is RIO 1-year volatility 1-year low?: RIO 1-year volatility reached a 1-year low of 24.02% on December 19, 2025

Data Sources & References

RIO Official Website www.riotinto.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/863064/000162828026009531/0001628280-26-009531-index.htm
RIO Profile on Yahoo Finance finance.yahoo.com/quote/RIO
RIO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/rio