What is the current 10-day volatility of RIO?

As of today, RIO 10-day volatility is 19.63%

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 19.14%

What 1-month volatility category does RIO fall into?

Based on its current 1-month historical volatility, RIO falls into the low 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 26.22%

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 30.54%

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 30.82% on October 7, 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

19.63%

October 20, 2026

Summary

Current Value: As of today, RIO 10-day volatility is 19.63%, down -1.46% on October 20, 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	Oct 20, 26	19.63%	-1.5%	-30.4%	-40.5%	-5.4%	-36.8%	-30.8%	-43.9%
1-Month Volatility	Oct 20, 26	19.14%	+2.0%	-17.6%	-34.3%	-7.0%	-21.0%	-25.2%	-30.6%
3-Month Volatility	Oct 20, 26	26.22%	+0.2%	-9.6%	-26.4%	+22.2%	+10.8%	-4.2%	-25.8%
1-Year Volatility	Oct 20, 26	30.54%	+0.1%	-0.5%	+2.0%	+25.8%	+21.6%	-1.6%	-8.6%
14-Day RSI	Oct 20, 26	28.08	-9.3%	-33.1%	-30.9%	-58.0%	-53.2%	-31.3%	-22.9%
Beta	Oct 20, 26	1.25	-0.8%	0.0%	-2.3%	+104.9%	+111.9%	+47.1%	+16.8%
ATR	Oct 20, 26	$1.96	+1.3%	-12.9%	-15.1%	+53.7%	+45.5%	+43.4%	+6.7%
Price	Oct 20, 26	$88.16	-1.5%	-9.2%	-2.6%	+10.2%	+29.0%	+45.6%	+34.5%
200-Day SMA	Oct 20, 26	$96.38	+0.0%	+1.8%	+9.1%	+50.0%	+57.2%	+45.0%	+19.0%
50-Day SMA	Oct 20, 26	$97.74	-0.3%	-0.4%	-2.2%	+33.4%	+52.2%	+56.9%	+37.3%
20-Day SMA	Oct 20, 26	$93.19	-0.5%	-8.1%	+0.9%	+20.5%	+39.3%	+49.4%	+37.0%

10-Day Volatility History

Date	Value	Change
Oct 21, 2026	19.63%	-5.4%
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 19.63%
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

19.14%

October 20, 2026

Summary

Current Value: As of today, RIO 1-month volatility is 19.14%, up +2.03% on October 20, 2026
Value Category: Based on its current 1-month historical volatility, RIO falls into the low 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	Oct 20, 26	19.14%	+2.0%	-17.6%	-34.3%	-7.0%	-21.0%	-25.2%	-30.6%
10-Day Volatility	Oct 20, 26	19.63%	-1.5%	-30.4%	-40.5%	-5.4%	-36.8%	-30.8%	-43.9%
3-Month Volatility	Oct 20, 26	26.22%	+0.2%	-9.6%	-26.4%	+22.2%	+10.8%	-4.2%	-25.8%
1-Year Volatility	Oct 20, 26	30.54%	+0.1%	-0.5%	+2.0%	+25.8%	+21.6%	-1.6%	-8.6%
14-Day RSI	Oct 20, 26	28.08	-9.3%	-33.1%	-30.9%	-58.0%	-53.2%	-31.3%	-22.9%
Beta	Oct 20, 26	1.25	-0.8%	0.0%	-2.3%	+104.9%	+111.9%	+47.1%	+16.8%
ATR	Oct 20, 26	$1.96	+1.3%	-12.9%	-15.1%	+53.7%	+45.5%	+43.4%	+6.7%
Price	Oct 20, 26	$88.16	-1.5%	-9.2%	-2.6%	+10.2%	+29.0%	+45.6%	+34.5%
200-Day SMA	Oct 20, 26	$96.38	+0.0%	+1.8%	+9.1%	+50.0%	+57.2%	+45.0%	+19.0%
50-Day SMA	Oct 20, 26	$97.74	-0.3%	-0.4%	-2.2%	+33.4%	+52.2%	+56.9%	+37.3%
20-Day SMA	Oct 20, 26	$93.19	-0.5%	-8.1%	+0.9%	+20.5%	+39.3%	+49.4%	+37.0%

1-Month Volatility History

Date	Value	Change
Oct 21, 2026	19.14%	-5.0%
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 19.14%
What 1-month volatility category does RIO fall into?: Based on its current 1-month historical volatility, RIO falls into the low 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

26.22%

October 20, 2026

Summary

Current Value: As of today, RIO 3-month volatility is 26.22%, up +0.19% on October 20, 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	Oct 20, 26	26.22%	+0.2%	-9.6%	-26.4%	+22.2%	+10.8%	-4.2%	-25.8%
10-Day Volatility	Oct 20, 26	19.63%	-1.5%	-30.4%	-40.5%	-5.4%	-36.8%	-30.8%	-43.9%
1-Month Volatility	Oct 20, 26	19.14%	+2.0%	-17.6%	-34.3%	-7.0%	-21.0%	-25.2%	-30.6%
1-Year Volatility	Oct 20, 26	30.54%	+0.1%	-0.5%	+2.0%	+25.8%	+21.6%	-1.6%	-8.6%
14-Day RSI	Oct 20, 26	28.08	-9.3%	-33.1%	-30.9%	-58.0%	-53.2%	-31.3%	-22.9%
Beta	Oct 20, 26	1.25	-0.8%	0.0%	-2.3%	+104.9%	+111.9%	+47.1%	+16.8%
ATR	Oct 20, 26	$1.96	+1.3%	-12.9%	-15.1%	+53.7%	+45.5%	+43.4%	+6.7%
Price	Oct 20, 26	$88.16	-1.5%	-9.2%	-2.6%	+10.2%	+29.0%	+45.6%	+34.5%
200-Day SMA	Oct 20, 26	$96.38	+0.0%	+1.8%	+9.1%	+50.0%	+57.2%	+45.0%	+19.0%
50-Day SMA	Oct 20, 26	$97.74	-0.3%	-0.4%	-2.2%	+33.4%	+52.2%	+56.9%	+37.3%
20-Day SMA	Oct 20, 26	$93.19	-0.5%	-8.1%	+0.9%	+20.5%	+39.3%	+49.4%	+37.0%

3-Month Volatility History

Date	Value	Change
Oct 21, 2026	26.22%	+23.2%
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 26.22%
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

30.54%

October 20, 2026

Summary

Current Value: As of today, RIO 1-year volatility is 30.54%, up +0.10% on October 20, 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 30.82% on October 7, 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	Oct 20, 26	30.54%	+0.1%	-0.5%	+2.0%	+25.8%	+21.6%	-1.6%	-8.6%
10-Day Volatility	Oct 20, 26	19.63%	-1.5%	-30.4%	-40.5%	-5.4%	-36.8%	-30.8%	-43.9%
1-Month Volatility	Oct 20, 26	19.14%	+2.0%	-17.6%	-34.3%	-7.0%	-21.0%	-25.2%	-30.6%
3-Month Volatility	Oct 20, 26	26.22%	+0.2%	-9.6%	-26.4%	+22.2%	+10.8%	-4.2%	-25.8%
1-Year Volatility	Oct 20, 26	30.54%	+0.1%	-0.5%	+2.0%	+25.8%	+21.6%	-1.6%	-8.6%
14-Day RSI	Oct 20, 26	28.08	-9.3%	-33.1%	-30.9%	-58.0%	-53.2%	-31.3%	-22.9%
Beta	Oct 20, 26	1.25	-0.8%	0.0%	-2.3%	+104.9%	+111.9%	+47.1%	+16.8%
ATR	Oct 20, 26	$1.96	+1.3%	-12.9%	-15.1%	+53.7%	+45.5%	+43.4%	+6.7%
Price	Oct 20, 26	$88.16	-1.5%	-9.2%	-2.6%	+10.2%	+29.0%	+45.6%	+34.5%
200-Day SMA	Oct 20, 26	$96.38	+0.0%	+1.8%	+9.1%	+50.0%	+57.2%	+45.0%	+19.0%
50-Day SMA	Oct 20, 26	$97.74	-0.3%	-0.4%	-2.2%	+33.4%	+52.2%	+56.9%	+37.3%
20-Day SMA	Oct 20, 26	$93.19	-0.5%	-8.1%	+0.9%	+20.5%	+39.3%	+49.4%	+37.0%

1-Year Volatility History

Date	Value	Change
Oct 21, 2026	30.54%	+25.8%
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 30.54%
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 30.82% on October 7, 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