Stocks · Technology · Semiconductors
ACM Research, Inc. ACMR
$83.38 -0.24% Close, Oct 2, 2026 · NASDAQ · Market cap $5.35B
Strong growthStrong trend
Next earnings report: Nov 4, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Over the past year the stock returned +90.5%, ahead of the S&P 500 by 75.4 percentage points.
- Revenue over the last four quarters was $1.04B, up 27.3% from a year earlier, accelerating from 19.7% a quarter earlier.
- Diluted EPS over the last four quarters was $2.10, up 27.3% year over year.
PromtFinance scores
Each score is a percentile within the Technology sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 5, 2026.
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Top 21%
- EPS growth (TTM, YoY)Top 39%
- Revenue growth, 3-year CAGRTop 10%
- Revenue growth accelerationTop 13%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalTop 50%
- Gross marginBottom 41%
- Operating marginTop 28%
- Cash conversion (OCF / net income)Bottom 5%
- Accruals (lower is better)Bottom 7%
- Net debt / EBITDA (lower is better)Top 16%
- Interest coverTop 19%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldTop 32%
- Free-cash-flow yieldBottom 19%
- EBITDA / enterprise valueTop 31%
- Sales / enterprise valueBottom 47%
- P/E vs own 5-year history (lower is better)Bottom 38%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthTop 18%
- 6-month returnTop 11%
- 1-year return vs S&P 500Top 16%
- Distance from 52-week highBottom 42%
- Trend checklist (0–4)Top 18%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersBottom 36%
- Consecutive EPS beatsBottom 44%
- Share of analysts rating BuyTop 24%
- Upside to consensus price targetTop 41%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Bottom 18%
- Maximum drawdown, 3 yearsTop 43%
- Beta vs S&P 500 (lower is better)Bottom 32%
- Net debt / EBITDA (lower is better)Top 16%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 19.7% | 27.3% | ↑ |
| EPS growth (YoY) | -16.0% | 27.3% | ↑ |
| Gross margin | 49.4% | 43.8% | ↓ |
| Operating margin | 17.9% | 13.3% | ↓ |
| FCF margin | -2.2% | -11.6% | ↓ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | 27.3% | 19.7% | ↑ | Top 21% |
| EPS growth (TTM, YoY) | 27.3% | -16.0% | ↑ | Top 39% |
| Gross margin | 43.8% | 49.4% | ↓ | Bottom 41% |
| Operating margin | 13.3% | 17.9% | ↓ | Top 28% |
| Net margin | 14.5% | 13.8% | ↑ | — |
| Free-cash-flow margin | -11.6% | -2.2% | ↓ | — |
| Return on invested capital | 4.4% | — | Top 50% | |
| Revenue growth, 3-year CAGR | 32.3% | — | Top 10% |
Quality of earnings and balance sheet
- Cash conversion (OCF / net income)Above 1× means profits are backed by cash.
- -0.04×
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- 4.6%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 2.0%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- -0.5 pp
- Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
- -2.37×
- Interest cover (operating income / interest)How many times operating profit covers interest.
- 18.1×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.14%
- Net buyback yield (TTM)
- -14.50%
- Shareholder yield
- -14.36%
- Share count change, 1 year
- +6.5%
- Share count change, 3-year CAGR
- +3.4%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Aug 7, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 2
- Beats in the last 8 reports
- 6 of 8
- Average EPS surprise, last 4
- +4.9%
- Average 2-day reaction, last 8
- +0.3%
- Positive 20 days after report
- 3 of 8
Analysts
- Consensus price target
- $113.20
- Target vs current price
- +35.8%
- Analysts with a rating
- 10
- Share rating Buy or Strong Buy
- 80%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Aug 7, 2026 | +45.7% | +6.1% | +2.8% | -12.1% | — |
| May 7, 2026 | +33.3% | +6.9% | +16.9% | +62.9% | +42.0% |
| Feb 26, 2026 | -35.9% | -16.7% | -24.3% | -33.3% | +4.6% |
| Nov 5, 2025 | -23.4% | -19.9% | -16.1% | -12.8% | +57.1% |
| Aug 6, 2025 | +28.6% | -15.3% | -15.9% | -9.5% | +42.3% |
| May 8, 2025 | +24.3% | +12.0% | +25.6% | +17.9% | +53.5% |
| Feb 26, 2025 | +80.6% | +20.7% | +11.3% | +24.5% | +0.4% |
| Nov 7, 2024 | +70.3% | +8.7% | -1.9% | -25.6% | +10.0% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Aug 7, 2026 | $0.61 | $0.42 | +45.7% | $292.9M |
| May 7, 2026 | $0.34 | $0.26 | +33.3% | $231.3M |
| Feb 26, 2026 | $0.25 | $0.39 | -35.9% | $244.4M |
| Nov 5, 2025 | $0.36 | $0.47 | -23.4% | $269.2M |
| Aug 6, 2025 | $0.54 | $0.42 | +28.6% | $215.4M |
| May 8, 2025 | $0.46 | $0.37 | +24.3% | $172.3M |
| Feb 26, 2025 | $0.56 | $0.31 | +80.6% | $223.5M |
| Nov 7, 2024 | $0.63 | $0.37 | +70.3% | $204.0M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| P/E (trailing) | 39.7× | 16.2× | 71th | Top 32% |
| P/E (forward) | 37.2× | — | — | — |
| EV / EBITDA | 17.4× | — | — | Top 31% |
| EV / Sales | 4.53× | — | — | Bottom 47% |
| Free-cash-flow yield | -2.25% | — | — | Bottom 19% |
| Earnings yield | 2.52% | — | — | Top 32% |
P/E over the past five years
Range 11.3× – 77.1× since Jun 30, 2021. Each point: price on the filing date divided by trailing-twelve-month EPS known then.
What moved the stock over the past year
- Price return, 1 year
- +90.5%
- Earnings per share growth (TTM)
- +27.3%
- Change in P/E multiple
- +171.2%
Most of the move came from a change in the valuation multiple.
Technical state
Trend checklist
- ✓ Price above 20-day average
- ✓ Price above 50-day average
- ✓ Price above 200-day average
- ✓ 50-day average above 200-day
- ✓ MACD histogram positive
Trend quality
- Days above the 50-day average
- 3
- Days above the 200-day average
- 13
- 50-day average slope (20 days)
- -11.5%
- 200-day average slope (20 days)
- +6.3%
- Distance from 50-day average
- +8.9%
- Distance from 200-day average
- +24.4%
- RSI (14)
- 60.5
- Relative volume
- 1.13×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 87.1%
- Volatility vs own 5-year history
- 73th percentile · Normal for this stock
- Beta vs S&P 500 (2 years, weekly)
- 1.70
- Correlation with S&P 500
- 0.37
- Current drawdown from 1-year high
- -34.3%
- Maximum drawdown, 3 years
- -58.4%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Feb 16, 2021 | Oct 24, 2022 | -87.2% | 426 days | 802 days (Jan 6, 2026) |
| Jun 30, 2026 | Sep 15, 2026 | -49.6% | 53 days | Not yet recovered |
| Feb 11, 2026 | Mar 30, 2026 | -46.3% | 32 days | 36 days (May 20, 2026) |
| Nov 5, 2020 | Dec 29, 2020 | -28.5% | 36 days | 5 days (Jan 6, 2021) |
| May 28, 2026 | Jun 5, 2026 | -17.8% | 6 days | 5 days (Jun 12, 2026) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $5.35B
- P/E (TTM)
- 39.7
- EPS, diluted (TTM)
- $2.10
- Revenue (TTM)
- $1.04B
- 52-week range
- $28.46 – $127.19
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $259.8M | $388.8M | $557.7M | $782.1M | $901.3M |
| Gross profit | $114.9M | $183.6M | $276.2M | $391.6M | $400.1M |
| Operating income | $38.7M | $59.0M | $95.8M | $151.0M | $109.4M |
| Net income | $37.8M | $39.3M | $77.3M | $103.6M | $94.1M |
| EPS (diluted) | $0.58 | $0.59 | $1.16 | $1.53 | $1.37 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $204.0M | $223.5M | $172.3M | $215.4M | $269.2M | $244.4M | $231.3M | $292.9M |
| Net income | $30.9M | $31.1M | $20.4M | $29.8M | $35.9M | $8.0M | $17.3M | $89.0M |
| EPS (diluted) | $0.45 | $0.46 | $0.30 | $0.44 | $0.52 | $0.11 | $0.24 | $1.23 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | -$40.1M | -$62.2M | -$75.3M | $152.4M | -$10.3M |
| Capital expenditure | -$9.7M | -$92.5M | -$64.3M | -$82.5M | -$56.3M |
| Free cash flow | -$49.8M | -$154.7M | -$139.7M | $70.0M | -$66.6M |
| Dividends paid | $0 | $0 | -$4.0M | -$6.9M | -$7.6M |
| Net share buybacks | $550.8M | $1.3M | $6.1M | $11.1M | $650.7M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $1.46B
- Total assets
- $3.40B
- Total liabilities
- $994.1M
- Total debt
- $349.3M
- Net debt
- -$641.3M
- Shareholders’ equity
- $1.86B
As of Jun 30, 2026 (filed Aug 7, 2026).
Short interest
- Shares sold short
- 4,136,685
- Days to cover
- 4.64
- Change vs previous report
- +4.2%
FINRA short interest, settlement date Sep 15, 2026.
Stock splits
- Mar 24, 2022
- 3-for-1