AMTM· Industrials› Specialty Business Services

Amentum Holdings, Inc.

Stage 4 · Declining · week 23

As of Oct 22, 2026, Amentum Holdings is in Stage 4, the downtrend phase, now in week 23 (since May 11, 2026). It closed at $21.29, 43.3% below its 52-week high and below its 200-day average, which is falling.

Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. More about the company

$21.29

+6.45% today

$5.2B · Mid cap

Market Neutral — Building

Pro read

Pro

Our read

Declining, below its long-term trend

Setup score

—

Momentum

Steady

Edge

—

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Stage Cycle Timeline2024-09-24 → 2026-10-22

S? 42w

S2 10w

S3 9w

S2 15w

S4 24w

2024-09-242026-10-22

S1S2S3S4Setup score (0–10, dashed line at 5)

S? 42w → S1 1w → S2 10w → S3 9w → S2 15w → S3 7w → S4 24w current

Total tracked: 108 weeks across 7 stage runs.

AMTM among Specialty Business Services23rd of 46 by relative strength

All 46 →

Stocks in Specialty Business Services ranked by relative strength, with stage and one-month change
#	Stock	Stage	RS	1M
1	BUUUBUUU Group Limited Class A	Stage 2 · wk 21	99	+2.0%
2	THTarget Hospitality Corp.	Stage 2 · wk 5	94	−34.2%
3	TISITeam, Inc.	Stage 2 · wk 12	93	−15.6%
4	QUADQuad Graphics, Inc Class A	Stage 2 · wk 42	92	+5.3%
5	UNFUnifirst Corporation	Stage 3 · wk 4	90	+8.3%
6	CASSCass Information Systems, Inc	Stage 3 · wk 1	88	+6.7%
7	FAFirst Advantage Corporation	Stage 3 · wk 3	86	+6.1%
8	RHLDResolute Holdings Management	Stage 4 · wk 6	86	−5.4%
…23	AMTMAmentum Holdings, Inc.	Stage 4 · wk 23	49	+8.0%

vs 52W High

-43.3%

$18.12 lo$37.53 hi

43.3% below 52W high, deep Stage 4 damage

In Stage 4, distance from the 52-week high reflects an ongoing decline, not a discount.

Stage Maturity

Week 23

1w13w26w

Week 23, extended decline

How long this stock has been in Stage 4 decline. The longer the downtrend, the more entrenched the selling pressure. No length of decline marks a bottom on its own.

vs 200 DMA

-14.2%

200 DMA: $24.83 · sloping down

In Stage 4, the stock is below its 200-day average, the hallmark of a downtrend. Stage analysis waits for that to reverse before buying.

Rel Volume

1.22x

vs 50-day avg

High volume on down days in Stage 4 confirms institutional selling. Low-volume bounces are typical. They lack real buyers and are easy to mistake for reversals.

Trend Health

↓

Short-term trend rolling over

Two reads of momentum. The arrow shows the direction of the short-term trend: rising (↑ or ↗), flat (→) or rolling over (↓). The ⇈ mark appears when our trend model reads the move as gaining speed on top of the longer trend. Strongest when both agree.

+8.0%

-5.6%

-20.8%

YTD

-30.2%

-6.8%

Scan Membership

Not in any current scan.

Recent Stage Timeline

2026-10-22S4

Wk 23 · Vol 1.22x

2026-10-21S4

Wk 23 · Vol 0.78x

2026-10-20S4

Wk 23 · Vol 0.66x

2026-10-19S4

Wk 23 · Vol 0.58x

2026-10-16S4

Wk 23 · Vol 0.99x

2026-10-15S4

Wk 22 · Vol 0.70x

2026-10-14S4

Wk 22 · Vol 0.51x

2026-10-13S4

Wk 22 · Vol 0.57x

2026-10-12S4

Wk 22 · Vol 0.76x

2026-10-09S4

Wk 22 · Vol 0.60x

2026-10-08S4

Wk 21 · Vol 1.63x

2026-10-07S4

Wk 21 · Vol 0.85x

Moving averages & range

50 DMA

$19.71

200 DMA

$24.83

52W High

$37.53

52W Low

$18.12

5D Low

$19.48

Resistance levels (recent highs)

20d High

$21.29

60d High

$24.77

120d High

$25.76

250d High

$37.53

Next resistance

+16.3%

to 60d High

P/E (TTM)

25.7

Forward 8.1

Earnings Growth (YoY)

+575.0%

Revenue -2.0%

ROE

+4.3%

Profit margin +1.4%

Dividend Yield

0.00%

P/B 1.1

Amentum Holdings: quick answers

What stage is Amentum Holdings in?

As of Oct 22, 2026, Amentum Holdings (AMTM) is in Stage 4, the downtrend phase. It entered Stage 4 on May 11, 2026 and is in week 23. What the four stages mean

Is Amentum Holdings in an uptrend?

No. Amentum Holdings is in a Stage 4 downtrend. It trades 14.2% below its 200-day average, which is falling.

How far is Amentum Holdings from its 52-week high?

Amentum Holdings closed at $21.29 on Oct 22, 2026, 43.3% below its 52-week high of $37.53. Its 52-week low is $18.12.

How has Amentum Holdings performed over the past year?

As of Oct 22, 2026, Amentum Holdings is down 6.8% over the past year and down 30.2% so far in 2026.

Which sector and industry is Amentum Holdings in?

Amentum Holdings is in the Specialty Business Services industry, part of the Industrials sector.

About this companyIndustrials· Specialty Business Services

Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.

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All analytics based on EOD data. Data as of 2026-10-22. Past data patterns are not indicative of future results. This page is a data analytics tool only.