MLM stock Beta

Beta

0.670.000.00%

January 21, 2026

Summary

Current Value: As of today, MLM beta is 0.67, unchanged on January 21, 2026
Current Value Category: Based on its current beta, MLM falls into the high volatility category
1-Year High: MLM beta reached a 1-year high of 1.06 on March 5, 2025
1-Year Low: MLM beta reached a 1-year low of 0.64 on November 24, 2025

Beta Chart

Performance

MLM Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
Beta	Jan 21, 26	0.67	0.0%	+1.5%	-2.9%	+1.5%	-36.2%	-37.4%	-40.2%
Price	Jan 21, 26	$641.14	+1.6%	+1.4%	+3.0%	+3.0%	+16.6%	+84.4%	+107.1%
SPX	Jan 21, 26	6,875.62	+1.2%	-0.0%	+2.6%	+0.4%	+13.0%	+73.1%	+79.0%
200-Day SMA	Jan 21, 26	$588.18	+0.1%	+2.7%	+6.5%	+1.8%	+5.1%	+72.8%	+153.8%
50-Day SMA	Jan 21, 26	$625.75	+0.1%	+1.1%	+0.9%	+1.1%	+11.8%	+77.9%	+122.8%
14-Day RSI	Jan 21, 26	51.21	+7.9%	-10.3%	+6.8%	+7.7%	-11.7%	+2.7%	-21.7%
ATR	Jan 21, 26	$16.57	+0.2%	+21.6%	+18.6%	+41.6%	+43.6%	+97.4%	+95.6%
10-Day Volatility	Jan 21, 26	44.43%	+1.7%	+115.6%	+68.9%	+149.1%	+81.6%	+35.8%	+113.0%
1-Month Volatility	Jan 21, 26	33.78%	+1.5%	+83.1%	+54.7%	+88.9%	+61.6%	+16.9%	-1.3%
1-Year Volatility	Jan 21, 26	23.97%	+0.1%	+4.8%	-0.3%	+4.6%	+2.0%	-27.3%	-57.2%

Beta History

Date	Value	Change
Jan 22, 2026	0.67	+1.5%
Dec 31, 2025	0.66	-36.5%
Dec 31, 2024	1.04	-11.9%
Dec 31, 2023	1.18	+11.3%
Dec 31, 2022	1.06	+1.9%
Dec 31, 2021	1.04	-6.3%
Dec 31, 2020	1.11	+126.5%
Dec 31, 2019	0.49	-42.4%
Dec 31, 2018	0.85	-46.9%
Dec 31, 2017	1.60	+31.1%
Dec 31, 2016	1.22	-2.4%
Dec 31, 2015	1.25	-4.6%
Dec 31, 2014	1.31	+4.0%
Dec 31, 2013	1.26	+16.7%
Dec 31, 2012	1.08	0.0%
Dec 31, 2011	1.08	-0.9%
Dec 31, 2010	1.09	-3.5%

Date	Value	Change
Dec 31, 2009	1.13	+7.6%
Dec 31, 2008	1.05	-14.6%
Dec 31, 2007	1.23	-41.1%
Dec 31, 2006	2.09	+62.0%
Dec 31, 2005	1.29	+30.3%
Dec 31, 2004	0.99	+16.5%
Dec 31, 2003	0.85	+34.9%
Dec 31, 2002	0.63	+5.0%
Dec 31, 2001	0.60	+11.1%
Dec 31, 2000	0.54	+157.1%
Dec 31, 1999	0.21	-60.4%
Dec 31, 1998	0.53	+32.5%
Dec 31, 1997	0.40	+110.5%
Dec 31, 1996	0.19	-53.7%
Dec 31, 1995	0.41	-34.9%
Dec 31, 1994	0.63	-

FAQ

What is the current beta of MLM?
As of today, MLM beta is 0.67
What beta category does MLM fall into?
Based on its current beta, MLM falls into the high volatility category
What is MLM beta 1-year high?
MLM beta reached a 1-year high of 1.06 on March 5, 2025
What is MLM beta 1-year low?
MLM beta reached a 1-year low of 0.64 on November 24, 2025

Data Sources & References

MLM Official Website www.martinmarietta.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/916076/000119312525264566/0001193125-25-264566-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/916076/000095017025024770/0000950170-25-024770-index.htm
MLM Profile on Yahoo Finance finance.yahoo.com/quote/MLM
MLM Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mlm