TransAlta Corporation (TAC) stock Beta

Beta

1.190.000.00%

January 9, 2026

Summary

Current Value: As of today, TAC beta is 1.19, unchanged on January 9, 2026
Current Value Category: Based on its current beta, TAC falls into the high volatility category
1-Year High: TAC beta reached a 1-year high of 1.20 on January 7, 2026
1-Year Low: TAC beta reached a 1-year low of 0.33 on January 23, 2025

Beta Chart

Performance

TAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
Beta	Jan 9, 26	1.19	0.0%	+2.6%	+15.5%	0.0%	+250.0%	+147.9%	+7.2%
Price	Jan 9, 26	$12.37	+1.4%	-15.3%	-20.7%	-2.1%	-6.7%	+35.9%	+48.0%
SPX	Jan 9, 26	6,966.28	+0.7%	+1.8%	+3.4%	+1.8%	+17.7%	+79.0%	+82.1%
200-Day SMA	Jan 9, 26	$12.23	+0.1%	+2.8%	+9.0%	+0.7%	+36.7%	+21.7%	+95.5%
50-Day SMA	Jan 9, 26	$14.18	-0.7%	-8.2%	+9.9%	-3.6%	+17.6%	+55.1%	+105.0%
14-Day RSI	Jan 9, 26	35.36	+12.7%	-27.9%	-58.0%	+6.2%	-28.4%	-30.4%	-57.5%
ATR	Jan 9, 26	$0.45	-0.3%	-27.5%	+12.7%	-0.4%	-10.9%	+75.3%	+99.5%
10-Day Volatility	Jan 9, 26	26.62%	+5.9%	-17.9%	-15.7%	-17.5%	+28.4%	-17.2%	-7.0%
1-Month Volatility	Jan 9, 26	31.77%	-3.5%	-17.7%	+13.9%	+3.9%	+12.3%	-24.3%	+10.2%
1-Year Volatility	Jan 9, 26	46.43%	+0.0%	+0.6%	+3.0%	+0.1%	+38.5%	+55.2%	-14.7%

Beta History

Date	Value	Change
Jan 9, 2026	1.19	0.0%
Dec 31, 2025	1.19	+260.6%
Dec 31, 2024	0.33	-66.3%
Dec 31, 2023	0.98	+108.5%
Dec 31, 2022	0.47	-19.0%
Dec 31, 2021	0.58	-47.7%
Dec 31, 2020	1.11	+516.7%
Dec 31, 2019	0.18	-58.1%
Dec 31, 2018	0.43	-17.3%
Dec 31, 2017	0.52	-64.4%
Dec 31, 2016	1.46	+65.9%
Dec 31, 2015	0.88	+83.3%
Dec 31, 2014	0.48	-43.5%

Date	Value	Change
Dec 31, 2013	0.85	-4.5%
Dec 31, 2012	0.89	+18.7%
Dec 31, 2011	0.75	-22.7%
Dec 31, 2010	0.97	+14.1%
Dec 31, 2009	0.85	+13.3%
Dec 31, 2008	0.75	+33.9%
Dec 31, 2007	0.56	+86.7%
Dec 31, 2006	0.30	+30.4%
Dec 31, 2005	0.23	-23.3%
Dec 31, 2004	0.30	+100.0%
Dec 31, 2003	0.15	-42.3%
Dec 31, 2002	0.26	-13.3%
Dec 31, 2001	0.30	-

FAQ

What is the current beta of TAC?
As of today, TAC beta is 1.19
What beta category does TAC fall into?
Based on its current beta, TAC falls into the high volatility category
What is TAC beta 1-year high?
TAC beta reached a 1-year high of 1.20 on January 7, 2026
What is TAC beta 1-year low?
TAC beta reached a 1-year low of 0.33 on January 23, 2025

Data Sources & References

TAC Official Website www.transalta.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1144800/000114480025000039/0001144800-25-000039-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1144800/000114480025000006/0001144800-25-000006-index.htm
TAC Profile on Yahoo Finance finance.yahoo.com/quote/TAC
TAC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/tac