What is the current 10-day volatility of RIO?

As of today, RIO 10-day volatility is 18.13%

What 10-day volatility category does RIO fall into?

Based on its current 10-day historical volatility, RIO falls into the low 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 27.22%

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 30.35%

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 30.33%

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 30.59% on August 28, 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

18.13%

September 8, 2026

Summary

Current Value: As of today, RIO 10-day volatility is 18.13%, up +1.51% on September 8, 2026
Value Category: Based on its current 10-day historical volatility, RIO falls into the low 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	Sep 8, 26	18.13%	+1.5%	-39.6%	-49.9%	-12.7%	-21.5%	-23.7%	-21.4%
1-Month Volatility	Sep 8, 26	27.22%	-3.8%	-9.2%	-28.8%	+32.3%	+24.2%	+4.1%	-24.7%
3-Month Volatility	Sep 8, 26	30.35%	-2.7%	-10.8%	-13.5%	+41.5%	+18.1%	+12.2%	-12.1%
1-Year Volatility	Sep 8, 26	30.33%	-0.4%	+1.1%	+3.8%	+24.9%	+17.2%	-7.7%	-8.2%
14-Day RSI	Sep 8, 26	58.44	+2.4%	-7.2%	+30.0%	-12.7%	+18.4%	+32.8%	+72.6%
Beta	Sep 8, 26	1.24	+0.8%	-1.6%	-0.8%	+103.3%	+113.8%	+44.2%	+22.8%
ATR	Sep 8, 26	$2.19	+1.4%	-6.0%	-26.8%	+72.0%	+104.4%	+82.4%	+22.8%
Price	Sep 9, 26	$103.73	-0.1%	+2.6%	+2.3%	+29.6%	+67.7%	+69.4%	+43.9%
200-Day SMA	Sep 8, 26	$93.48	+0.2%	+3.7%	+11.5%	+45.5%	+53.9%	+38.6%	+14.3%
50-Day SMA	Sep 8, 26	$97.05	+0.2%	-0.2%	-4.5%	+32.5%	+58.5%	+52.3%	+19.9%
20-Day SMA	Sep 8, 26	$101.97	+0.1%	+8.4%	-3.6%	+31.8%	+63.9%	+66.8%	+35.7%

10-Day Volatility History

Date	Value	Change
Sep 9, 2026	18.13%	-12.7%
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 18.13%
What 10-day volatility category does RIO fall into?: Based on its current 10-day historical volatility, RIO falls into the low 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

27.22%

September 8, 2026

Summary

Current Value: As of today, RIO 1-month volatility is 27.22%, down -3.78% on September 8, 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	Sep 8, 26	27.22%	-3.8%	-9.2%	-28.8%	+32.3%	+24.2%	+4.1%	-24.7%
10-Day Volatility	Sep 8, 26	18.13%	+1.5%	-39.6%	-49.9%	-12.7%	-21.5%	-23.7%	-21.4%
3-Month Volatility	Sep 8, 26	30.35%	-2.7%	-10.8%	-13.5%	+41.5%	+18.1%	+12.2%	-12.1%
1-Year Volatility	Sep 8, 26	30.33%	-0.4%	+1.1%	+3.8%	+24.9%	+17.2%	-7.7%	-8.2%
14-Day RSI	Sep 8, 26	58.44	+2.4%	-7.2%	+30.0%	-12.7%	+18.4%	+32.8%	+72.6%
Beta	Sep 8, 26	1.24	+0.8%	-1.6%	-0.8%	+103.3%	+113.8%	+44.2%	+22.8%
ATR	Sep 8, 26	$2.19	+1.4%	-6.0%	-26.8%	+72.0%	+104.4%	+82.4%	+22.8%
Price	Sep 9, 26	$103.73	-0.1%	+2.6%	+2.3%	+29.6%	+67.7%	+69.4%	+43.9%
200-Day SMA	Sep 8, 26	$93.48	+0.2%	+3.7%	+11.5%	+45.5%	+53.9%	+38.6%	+14.3%
50-Day SMA	Sep 8, 26	$97.05	+0.2%	-0.2%	-4.5%	+32.5%	+58.5%	+52.3%	+19.9%
20-Day SMA	Sep 8, 26	$101.97	+0.1%	+8.4%	-3.6%	+31.8%	+63.9%	+66.8%	+35.7%

1-Month Volatility History

Date	Value	Change
Sep 9, 2026	27.22%	+35.1%
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 27.22%
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

30.35%

September 8, 2026

Summary

Current Value: As of today, RIO 3-month volatility is 30.35%, down -2.69% on September 8, 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	Sep 8, 26	30.35%	-2.7%	-10.8%	-13.5%	+41.5%	+18.1%	+12.2%	-12.1%
10-Day Volatility	Sep 8, 26	18.13%	+1.5%	-39.6%	-49.9%	-12.7%	-21.5%	-23.7%	-21.4%
1-Month Volatility	Sep 8, 26	27.22%	-3.8%	-9.2%	-28.8%	+32.3%	+24.2%	+4.1%	-24.7%
1-Year Volatility	Sep 8, 26	30.33%	-0.4%	+1.1%	+3.8%	+24.9%	+17.2%	-7.7%	-8.2%
14-Day RSI	Sep 8, 26	58.44	+2.4%	-7.2%	+30.0%	-12.7%	+18.4%	+32.8%	+72.6%
Beta	Sep 8, 26	1.24	+0.8%	-1.6%	-0.8%	+103.3%	+113.8%	+44.2%	+22.8%
ATR	Sep 8, 26	$2.19	+1.4%	-6.0%	-26.8%	+72.0%	+104.4%	+82.4%	+22.8%
Price	Sep 9, 26	$103.73	-0.1%	+2.6%	+2.3%	+29.6%	+67.7%	+69.4%	+43.9%
200-Day SMA	Sep 8, 26	$93.48	+0.2%	+3.7%	+11.5%	+45.5%	+53.9%	+38.6%	+14.3%
50-Day SMA	Sep 8, 26	$97.05	+0.2%	-0.2%	-4.5%	+32.5%	+58.5%	+52.3%	+19.9%
20-Day SMA	Sep 8, 26	$101.97	+0.1%	+8.4%	-3.6%	+31.8%	+63.9%	+66.8%	+35.7%

3-Month Volatility History

Date	Value	Change
Sep 9, 2026	30.35%	+42.6%
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 30.35%
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

30.33%

September 8, 2026

Summary

Current Value: As of today, RIO 1-year volatility is 30.33%, down -0.39% on September 8, 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 30.59% on August 28, 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	Sep 8, 26	30.33%	-0.4%	+1.1%	+3.8%	+24.9%	+17.2%	-7.7%	-8.2%
10-Day Volatility	Sep 8, 26	18.13%	+1.5%	-39.6%	-49.9%	-12.7%	-21.5%	-23.7%	-21.4%
1-Month Volatility	Sep 8, 26	27.22%	-3.8%	-9.2%	-28.8%	+32.3%	+24.2%	+4.1%	-24.7%
3-Month Volatility	Sep 8, 26	30.35%	-2.7%	-10.8%	-13.5%	+41.5%	+18.1%	+12.2%	-12.1%
1-Year Volatility	Sep 8, 26	30.33%	-0.4%	+1.1%	+3.8%	+24.9%	+17.2%	-7.7%	-8.2%
14-Day RSI	Sep 8, 26	58.44	+2.4%	-7.2%	+30.0%	-12.7%	+18.4%	+32.8%	+72.6%
Beta	Sep 8, 26	1.24	+0.8%	-1.6%	-0.8%	+103.3%	+113.8%	+44.2%	+22.8%
ATR	Sep 8, 26	$2.19	+1.4%	-6.0%	-26.8%	+72.0%	+104.4%	+82.4%	+22.8%
Price	Sep 9, 26	$103.73	-0.1%	+2.6%	+2.3%	+29.6%	+67.7%	+69.4%	+43.9%
200-Day SMA	Sep 8, 26	$93.48	+0.2%	+3.7%	+11.5%	+45.5%	+53.9%	+38.6%	+14.3%
50-Day SMA	Sep 8, 26	$97.05	+0.2%	-0.2%	-4.5%	+32.5%	+58.5%	+52.3%	+19.9%
20-Day SMA	Sep 8, 26	$101.97	+0.1%	+8.4%	-3.6%	+31.8%	+63.9%	+66.8%	+35.7%

1-Year Volatility History

Date	Value	Change
Sep 9, 2026	30.33%	+24.9%
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 30.33%
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 30.59% on August 28, 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