ACLS (Axcelis Technologies) 6-Month Price Index: 1.46 (As of Jul. 20, 2026)

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ACLS Axcelis Technologies Inc ACLS
89 GF Score
Price $136.38
GF Value $87.57
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Axcelis Technologies 6-Month Price Index?

Axcelis Technologies ACLS -2.10% 89 6-Month Price Index is 1.46 as of Jul. 20, 2026. GuruFocus rates ACLS with a GF Score™ of 89/100 and a GF Value™ of $87.57 (Significantly Overvalued). The stock has 4 warning signs investors should review.

6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-07-20), Axcelis Technologies's 6-Month Price Index is 1.46.

Axcelis Technologies  (NAS:ACLS) 6-Month Price Index Explanation

Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.

The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.

Axcelis Technologies 6-Month Price Index Related Terms

ACLS vs UCTT, AXTI, IPGP: 6-Month Price Index Comparison

For the Semiconductor Equipment & Materials subindustry, Axcelis Technologies's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

ACLS
89GF Score
Axcelis Technologies Inc ACLS
6-Month Price Index is just one metric. See GF Score™, valuation, warning signs, and more.
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Axcelis Technologies  (NAS:ACLS) 6-Month Price Index Calculation

6-Month Price Index is calculated as following:

6-Month Price Index=Current Share Price / Share Price 6-Months Ago

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about 6-Month Price Index →
What does a 6-Month Price Index of 1.46 mean?
Axcelis Technologies (ACLS) has a 6-Month Price Index of 1.46 as of Jul. 20, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Axcelis Technologies and its competitors.
Is Axcelis Technologies' 6-Month Price Index too high?
Axcelis Technologies' current 6-Month Price Index is 1.46. Overall, Axcelis Technologies has a GF Score™ of 89/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Axcelis Technologies' 6-Month Price Index compare to UCTT and AXTI?
Axcelis Technologies' 6-Month Price Index of 1.46 can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 6-Month Price Index for a Semiconductors company?
A good 6-Month Price Index depends on the Semiconductors industry context. However, 6-Month Price Index should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Axcelis Technologies and its competitors. Axcelis Technologies's current 6-Month Price Index is 1.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Axcelis Technologies stock overvalued right now?
Based on GuruFocus' analysis, Axcelis Technologies (ACLS) is currently considered Significantly Overvalued. The stock's GF Value™ is $87.57, compared to a current price of $136.38 — trading 55.7% above its estimated fair value. The current 6-Month Price Index is 1.46. Axcelis Technologies' overall GF Score™ is 89/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For Axcelis Technologies (ACLS), the current 6-Month Price Index is 1.46 as of Jul. 20, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Axcelis Technologies (ACLS) Overvalued in 2026?

Based on GuruFocus' analysis, Axcelis Technologies stock appears to be overvalued. The current stock price of $136.38 is trading 55.7% above its estimated GF Value™ of $87.57. GuruFocus considers Axcelis Technologies to be Significantly Overvalued.

Key valuation signals for ACLS:

  • 6-Month Price Index: 1.46
  • GF Value™: $87.57 vs. price of $136.38 (55.7% above fair value)
  • GF Score™: 89/100 with 4 warning signs

No single metric tells the full story. See the ACLS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Axcelis Technologies Business Description

Address 108 Cherry Hill Drive, Beverly, MA, USA, 01915
Axcelis Technologies Inc designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips. In addition to equipment, the company provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. Geographically, the group has a business presence in North America, Asia Pacific, and Europe, of which key revenue is derived from the Asia Pacific.
89GF Score

Get the complete analysis for ACLS

6-Month Price Index is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$136.38
Price
$87.57
GF Value