Axcelis Technologies, Inc. (ACLS) stock Beta

Beta

1.620.000.00%

January 9, 2026

Summary

Current Value: As of today, ACLS beta is 1.62, unchanged on January 9, 2026
Current Value Category: Based on its current beta, ACLS falls into the high volatility category
1-Year High: ACLS beta reached a 1-year high of 2.45 on February 27, 2025
1-Year Low: ACLS beta reached a 1-year low of 1.55 on November 3, 2025

Beta Chart

Performance

ACLS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
Beta	Jan 9, 26	1.62	0.0%	+2.5%	+3.2%	+0.6%	-32.8%	-17.4%	+14.9%
Price	Jan 9, 26	$93.10	+3.6%	+4.7%	+10.0%	+15.9%	+27.4%	+0.9%	+193.9%
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	$74.02	+0.3%	+4.2%	+8.9%	+1.4%	-29.1%	+13.4%	+193.2%
50-Day SMA	Jan 9, 26	$84.27	+0.3%	+0.4%	-0.5%	+1.1%	+9.6%	+10.3%	+209.2%
14-Day RSI	Jan 9, 26	62.47	+7.9%	+5.0%	+53.6%	+52.7%	+31.5%	-13.1%	-12.8%
ATR	Jan 9, 26	$3.85	+1.9%	+6.6%	-4.3%	+24.8%	+27.7%	+1.8%	+311.3%
10-Day Volatility	Jan 9, 26	54.45%	+1.1%	+22.7%	+54.7%	+77.1%	+98.4%	+11.0%	+51.7%
1-Month Volatility	Jan 9, 26	49.51%	+5.8%	+9.2%	+12.9%	+26.6%	+67.0%	+4.2%	+65.9%
1-Year Volatility	Jan 9, 26	52.33%	-0.3%	+1.6%	+1.8%	+1.3%	+7.0%	-22.2%	-25.4%

Beta History

Date	Value	Change
Jan 9, 2026	1.62	+0.6%
Dec 31, 2025	1.61	-34.0%
Dec 31, 2024	2.44	+22.0%
Dec 31, 2023	2.00	+1.0%
Dec 31, 2022	1.98	-24.4%
Dec 31, 2021	2.62	+87.1%
Dec 31, 2020	1.40	-18.6%
Dec 31, 2019	1.72	+11.7%
Dec 31, 2018	1.54	-37.9%
Dec 31, 2017	2.48	+74.6%
Dec 31, 2016	1.42	+11.8%
Dec 31, 2015	1.27	-8.6%
Dec 31, 2014	1.39	-11.5%
Dec 31, 2013	1.57	-13.7%

Date	Value	Change
Dec 31, 2012	1.82	-2.2%
Dec 31, 2011	1.86	-14.7%
Dec 31, 2010	2.18	+23.2%
Dec 31, 2009	1.77	+39.4%
Dec 31, 2008	1.27	+0.8%
Dec 31, 2007	1.26	-43.0%
Dec 31, 2006	2.21	+5.7%
Dec 31, 2005	2.09	-0.5%
Dec 31, 2004	2.10	-0.9%
Dec 31, 2003	2.12	+4.4%
Dec 31, 2002	2.03	+6.3%
Dec 31, 2001	1.91	-22.0%
Dec 31, 2000	2.45	-

FAQ

What is the current beta of ACLS?
As of today, ACLS beta is 1.62
What beta category does ACLS fall into?
Based on its current beta, ACLS falls into the high volatility category
What is ACLS beta 1-year high?
ACLS beta reached a 1-year high of 2.45 on February 27, 2025
What is ACLS beta 1-year low?
ACLS beta reached a 1-year low of 1.55 on November 3, 2025

Data Sources & References

ACLS Official Website www.axcelis.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1113232/000110465925095307/0001104659-25-095307-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1113232/000155837025001855/0001558370-25-001855-index.htm
ACLS Profile on Yahoo Finance finance.yahoo.com/quote/ACLS
ACLS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/acls