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ACM Research, Inc. Class A

Stage 3 · Topping · week 9

As of Oct 22, 2026, ACM Research is in Stage 3, the topping phase, now in week 9 (since Aug 25, 2026). It closed at $49.12, 61.3% below its 52-week high and below its 200-day average, which is rising.

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells capital equipment in Mainland China and internationally. More about the company

$49.12
-9.04% today
$3.4B · Mid cap
Market Neutral — Building

Pro read

Pro

Our read

Topping: the uptrend is tiring

Setup score

—

Momentum

Steady

Edge

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Stage Cycle Timeline2023-08-16 → 2026-10-22
S2 14w
S2 19w
S2 24w
S2 14w
2023-08-162026-10-22
S1S2S3S4Setup score (0–10, dashed line at 5)
S2 14w → S3 7w → S2 19w → S3 10w → S4 11w → S1 8w → S4 8w → S1 3w → S2 8w → S3 8w → S2 24w → S3 4w → S2 12w → S3 7w → S2 14w → S3 8w current
Total tracked: 166 weeks across 16 stage runs.

ACMR among Semiconductor Equipment & Materials20th of 31 by relative strength

All 31 →
Stocks in Semiconductor Equipment & Materials ranked by relative strength, with stage and one-month change
#StockStageRS1M
1AXTIStage 2 · wk 499−29.4%
2TERStage 2 · wk 396−20.7%
3AEHRStage 3 · wk 196−42.9%
4FORMStage 2 · wk 396−27.6%
5COHUStage 2 · wk 395−28.3%
6KLICStage 3 · wk 1193−19.2%
7AMATStage 3 · wk 891−20.8%
8ICHRStage 4 · wk 291−35.2%
…20ACMRStage 3 · wk 974−39.1%
vs 52W High
-61.3%
$29.67 lo$126.89 hi
61.3% below 52W high, weakening from peak
The stock is rolling over from its 52-week high. In Stage 3 distribution, new long positions carry high risk.
Stage Maturity
Week 9
1w13w26w
Week 9, distribution
How long this stock has been in Stage 3 distribution. Longer tops often precede deeper Stage 4 declines.
vs 200 DMA
-28.4%
200 DMA: $68.61 · rising
Stock is losing its 200 DMA. Once lost, it confirms Stage 4 risk. This is a major red flag for existing holders.
Rel Volume
1.31x
vs 50-day avg
Volume spikes on down days during Stage 3 signal distribution, with institutions exiting. Stage analysis reads that as a warning against new long positions.
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.
1M
-39.1%
3M
-41.7%
6M
-9.0%
YTD
+9.4%
1Y
+26.2%
Scan Membership
Breakout Watch
Latest: 2025-06-26
10 appearances in last 60 days. First seen: 2019-04-01.
A stock that keeps qualifying week after week does so because its Stage 2 structure keeps holding. Staying power in the scan says more about the trend than any single appearance.
Recent Stage Timeline
2026-10-22S3
Wk 9 · Vol 1.31x
2026-10-21S3
Wk 9 · Vol 0.46x
2026-10-20S3
Wk 8 · Vol 0.62x
2026-10-19S3
Wk 8 · Vol 0.90x
2026-10-16S3
Wk 8 · Vol 1.32x
2026-10-15S3
Wk 8 · Vol 1.83x
2026-10-14S3
Wk 8 · Vol 1.03x
2026-10-13S3
Wk 7 · Vol 1.20x
2026-10-12S3
Wk 7 · Vol 0.58x
2026-10-09S3
Wk 7 · Vol 0.69x
2026-10-08S3
Wk 7 · Vol 1.43x
2026-10-07S3
Wk 7 · Vol 1.11x
Moving averages & range
50 DMA
$72.20
200 DMA
$68.61
52W High
$126.89
52W Low
$29.67
5D Low
$49.12
Resistance levels (recent highs)
20d High
$83.58
60d High
$85.64
120d High
$126.89
250d High
$126.89
Next resistance
+70.2%
to 20d High
P/E (TTM)
23.2
Forward 16.7
Earnings Growth (YoY)
+180.6%
Revenue +36.0%
ROE
+11.6%
Profit margin +14.5%
Dividend Yield
0.00%
P/B 1.8

ACM Research: quick answers

What stage is ACM Research in?

As of Oct 22, 2026, ACM Research (ACMR) is in Stage 3, the topping phase. It entered Stage 3 on Aug 25, 2026 and is in week 9. What the four stages mean

Is ACM Research in an uptrend?

Its uptrend has stalled. ACM Research is in Stage 3, the topping phase that follows an advance. It trades 28.4% below its 200-day average, which is rising.

How far is ACM Research from its 52-week high?

ACM Research closed at $49.12 on Oct 22, 2026, 61.3% below its 52-week high of $126.89. Its 52-week low is $29.67.

How has ACM Research performed over the past year?

As of Oct 22, 2026, ACM Research is up 26.2% over the past year and up 9.4% so far in 2026.

Which sector and industry is ACM Research in?

ACM Research is in the Semiconductor Equipment & Materials industry, part of the Information Technology sector.

About this companyInformation Technology· Semiconductor Equipment & Materials

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells capital equipment in Mainland China and internationally. It also develops, manufactures, and sells a range of packaging tools to wafer assembly and packaging customers. The company provides wet cleaning equipment for front end production processes; electrochemical plating, furnace, PECVD, and track platforms; Space Alternated Phase Shift, technology for flat and wafer surfaces; timely energized bubble oscillation, technology for patterned wafer surfaces at advanced process nodes; and Tahoe technology; and semi-critical cleaning tools. It also offers advanced packaging equipment, such as coaters, developers, photoresist strippers, scrubbers, wet etchers and copper-plating equipment; and advanced packaging products include: Ultra ECP ap, which delivers a uniform metal layer to finished wafers prior to packaging; Ultra C Developer, which applies liquid developer to selected parts of photoresist to resolve an image; Ultra C PR Megasonic-Assisted Stripper, which removes photoresist; Ultra C Scrubber, which scrubs and cleans wafers; Ultra C Thin Wafer Scrubber, which addresses a sub-market of cleaning very thin wafers for certain Asian assembly factories; and Ultra C Wet Etcher, which etches silicon wafers and copper and titanium interconnects. In addition, the company provides ECP technology for advanced metal plating; Ultra fn Furnace, a dry processing tool; Ultra Pmax PECVD tools, a proprietary designed chamber, gas distribution unit, and chuck; and Ultra Track, a 300mm process tool that delivers uniform air downflow, fast robot handling and configurable software to address specific customer requirements. It markets and sells its products under the SAPS, TEBO, ULTRA C, ULTRA Fn, Ultra ECP, Ultra ECP map, and Ultra ECP ap trademarks through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.

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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.