ACLSAxcelis Technologies, Inc.

$120.30

What is the market doing?

What the tape says about ACLS

Axcelis Technologies, Inc. is +51% over the past year while the S&P 500 is +23%: 29 points ahead of the market.

+51%

1-year return · S&P 500 +23%

vs 200-day average
+7.7%

vs 200-day average · close to trend

RSI (14)
36

RSI (14) · neutral

Below its 52-week high
−37%

Below its 52-week high

2024-08-06$42.42 – $191.60 · dashed line: 200-day average2026-08-26
Details
Last close2026-08-26
$120.30
1 monthS&P 500 +3.7%
−15%
1 yearS&P 500 +23%
+51%
5 yearsS&P 500 +87%
+212%
vs 50-day average$147.64
−19%
52-week high
$191.60
52-week low
$74.12
Annualised volatility
60%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
−$4.4M
Calendar-year price return
YearReturn
2026 (year to date)+50%
2025+15%
2024−46%
2023+63%
2022+6.4%
2021+156%
2020+21%
2019+35%
2018−38%
2017+97%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan107 of 10+5.9%
Feb105 of 10−0.75%
Mar106 of 10+2.1%
Apr105 of 10+2.8%
May107 of 10+7.3%
Jun106 of 10+6.7%
Jul116 of 11+1.3%
Aug114 of 11−0.34%
Sep104 of 10+3.4%
Oct105 of 10−2.3%
Nov106 of 10+8.6%
Dec105 of 10+2.1%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.