TransAlta Corporation (TAC) stock Average True Range

ATR

$0.45$0.00-0.33%

January 9, 2026

Summary

Current Value: As of today, TAC ATR is $0.45, down -0.33% on January 9, 2026
1-Year High: TAC ATR reached a 1-year high of $0.86 on November 7, 2025
1-Year Low: TAC ATR reached a 1-year low of $0.30 on October 2, 2025

Chart

Performance

TAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
ATR	Jan 9, 26	$0.45	-0.3%	-27.5%	+12.7%	-0.4%	-10.9%	+75.3%	+99.5%
Price	Jan 9, 26	$12.37	+1.4%	-15.3%	-20.7%	-2.1%	-6.7%	+35.9%	+48.0%
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%
Beta	Jan 9, 26	1.19	0.0%	+2.6%	+15.5%	0.0%	+250.0%	+147.9%	+7.2%
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%
3-Month Volatility	Jan 9, 26	45.83%	+1.1%	+1.0%	+59.0%	-2.7%	+13.7%	+26.0%	+75.9%
1-Year Volatility	Jan 9, 26	46.43%	+0.0%	+0.6%	+3.0%	+0.1%	+38.5%	+55.2%	-14.7%

History

Date	Value	Change
Jan 9, 2026	$0.45	-0.4%
Dec 31, 2025	$0.45	+3.2%
Dec 31, 2024	$0.44	+123.0%
Dec 31, 2023	$0.20	-27.6%
Dec 31, 2022	$0.27	+10.3%
Dec 31, 2021	$0.25	+20.1%
Dec 31, 2020	$0.20	+43.1%
Dec 31, 2019	$0.14	-12.1%
Dec 31, 2018	$0.16	-1.8%
Dec 31, 2017	$0.17	-6.5%
Dec 31, 2016	$0.18	+4.0%
Dec 31, 2015	$0.17	-22.8%
Dec 31, 2014	$0.22	+5.8%

Date	Value	Change
Dec 31, 2013	$0.21	-6.8%
Dec 31, 2012	$0.22	-39.7%
Dec 31, 2011	$0.37	+36.3%
Dec 31, 2010	$0.27	-40.0%
Dec 31, 2009	$0.45	-48.6%
Dec 31, 2008	$0.88	+25.5%
Dec 31, 2007	$0.70	+118.9%
Dec 31, 2006	$0.32	-14.5%
Dec 31, 2005	$0.38	+66.5%
Dec 31, 2004	$0.23	+46.2%
Dec 31, 2003	$0.15	-3.1%
Dec 31, 2002	$0.16	-33.2%
Dec 31, 2001	$0.24	-

FAQ

What is the current ATR of TAC?
As of today, TAC ATR is $0.45
What is TAC ATR 1-year high?
TAC ATR reached a 1-year high of $0.86 on November 7, 2025
What is TAC ATR 1-year low?
TAC ATR reached a 1-year low of $0.30 on October 2, 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