ACM Research, Inc. (ACMR) P/E Ratio History
ExpensiveTrading at 55.3x vs 5Y avg 26.6x · 90th percentile · Material premium to history · Data 2018–2026
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P/E Ratio Analysis
As of September 23, 2026, ACM Research, Inc. (ACMR) trades at a price-to-earnings ratio of 55.3x, with a stock price of $75.80 and trailing twelve-month earnings per share of $2.09.
The current P/E is 108% above its 5-year average of 26.6x. Over the past five years, ACMR's P/E has ranged from a low of 9.9x to a high of 79.7x, placing the current valuation at the 90th percentile of its historical range.
Compared to the Technology sector median P/E of 29.9x, ACMR trades at a 85% premium to its sector peers. The sector includes 365 companies with P/E ratios ranging from 0.0x to 199.0x.
The PEG ratio of 1.56 (P/E divided by -10% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, ACMR commands a significant premium over the S&P 500 median P/E of 25.5x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ACMR DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ACMR Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
ACMR P/E vs Peers
Semiconductor Manufacturing Equipment peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $7B | 145.5 | 10.39 | -57% | |
| $14B | 102.1 | 2.95 | -32% | |
| $389B | 54.0 | 3.28 | +39% | |
| $375B | 54.6 | 3.18 | +1% | |
| $246B | 51.5 | 2.31 | +21% | |
| $12B | 46.5Lowest | 1.26Best | +38% | |
| $18B | 59.6 | - | +56%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
ACMR Historical P/E Data (2018–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q2 | - | $126.89 | $2.10 | 60.4x | +65% |
| FY2026 Q1 | - | $39.35 | $1.31 | 30.0x | -18% |
| FY2025 Q4 | Dec 31 2025 | $39.45 | $1.37 | 28.8x | -22% |
| FY2025 Q3 | - | $39.13 | $1.72 | 22.8x | -38% |
| FY2025 Q2 | Jun 30 2025 | $25.90 | $1.65 | 15.7x | -57% |
| FY2025 Q1 | Mar 31 2025 | $23.34 | $1.56 | 15.0x | -59% |
| FY2024 Q4 | - | $15.10 | $1.52 | 9.9x | -73% |
| FY2024 Q3 | Sep 30 2024 | $20.30 | $1.32 | 15.4x | -58% |
| FY2024 Q2 | Jun 30 2024 | $23.06 | $1.26 | 18.3x | -50% |
| FY2024 Q1 | Mar 31 2024 | $29.14 | $1.32 | 22.1x | -40% |
| FY2023 Q4 | Dec 31 2023 | $19.54 | $1.17 | 16.7x | -54% |
| FY2023 Q3 | Sep 30 2023 | $18.11 | $1.09 | 16.6x | -55% |
| FY2023 Q2 | Jun 30 2023 | $13.08 | $1.02 | 12.8x | -65% |
| FY2023 Q1 | Mar 31 2023 | $11.70 | $0.87 | 13.4x | -63% |
| FY2022 Q4 | Dec 31 2022 | $7.71 | $0.65 | 11.9x | -68% |
| FY2022 Q3 | Sep 30 2022 | $12.46 | $0.75 | 16.6x | -55% |
| FY2022 Q2 | - | $16.83 | $0.58 | 29.0x | -21% |
| FY2022 Q1 | - | $20.69 | $0.42 | 49.3x | +34% |
| FY2021 Q4 | Dec 31 2021 | $28.42 | $0.61 | 46.6x | +27% |
| FY2021 Q3 | - | $36.67 | $0.46 | 79.7x | +117% |
| FY2021 Q2 | Jun 30 2021 | $34.07 | $0.44 | 77.4x | +111% |
| FY2021 Q1 | Mar 31 2021 | $26.93 | $0.34 | 79.5x | +117% |
| FY2020 Q4 | - | $27.08 | $0.29 | 94.9x | +159% |
| FY2020 Q3 | Sep 30 2020 | $23.03 | $0.22 | 105.3x | +187% |
| FY2020 Q2 | - | $20.79 | $0.24 | 87.1x | +137% |
| FY2020 Q1 | - | $9.87 | $0.32 | 31.2x | -15% |
| FY2019 Q4 | - | $6.15 | $0.32 | 19.0x | -48% |
| FY2019 Q3 | Sep 30 2019 | $4.62 | $0.30 | 15.2x | -58% |
| FY2019 Q2 | Jun 30 2019 | $5.20 | $0.22 | 23.3x | -37% |
| FY2019 Q1 | Mar 31 2019 | $5.14 | $0.21 | 24.9x | -32% |
| FY2018 Q4 | Dec 31 2018 | $3.63 | $0.11 | 32.1x | -13% |
| FY2018 Q3 | Sep 30 2018 | $3.69 | $0.15 | 25.2x | -31% |
| FY2018 Q2 | Jun 30 2018 | $3.59 | $0.06 | 64.8x | +77% |
Average P/E for displayed period: 36.7x
ACMR Chart Terminal
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Intrinsic Valuation
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Historical Returns
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Peer Comparison
Compare growth, multiples, and margins vs sector.
ACMR — Frequently Asked Questions
Quick answers to the most common questions about buying ACMR stock.
What is ACMR's P/E ratio?
ACM Research, Inc. (ACMR) trailing twelve-month P/E ratio is 55.3x, based on TTM diluted EPS of $2.09. The 5-year average P/E is 26.6x and the historical range spans 9.9x to 79.7x.
Is ACMR stock overvalued or undervalued?
ACMR trades at 55.3x P/E, above its 5-year average of 26.6x. The 90th percentile ranking within the 9.9x–79.7x historical range indicates a premium to historical valuation.
Is ACMR stock expensive?
Yes, ACMR is expensive relative to its own history. The current P/E of 55.3x is above the 5-year average of 26.6x and also above the Technology sector median of 29.9x. The stock sits at the 90th percentile of its 5-year valuation range.
What is ACMR's historical P/E range?
Over the past 5 years, ACMR's P/E ratio has ranged from 9.9x to 79.7x, with a median of 18.3x and an average of 26.6x. The current P/E of 55.3x places the stock at the 90th percentile of this range. Full historical data spans 2018–2026.
How does ACMR's P/E compare to the S&P 500?
ACMR trades at 55.3x P/E versus the S&P 500 median of 25.5x. The 117% premium to the market typically reflects higher expected earnings growth or quality.
How does ACMR's valuation compare to Technology peers?
ACM Research, Inc. P/E of 55.3x compares to the Technology sector median of 29.9x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is ACMR's PEG ratio?
ACMR PEG ratio is 1.56, based on a P/E of 55.3x and EPS growth of -10.5%. A PEG between 1 and 2 suggests valuation aligns with growth expectations — typically considered fair.
What is ACMR's earnings yield?
ACMR earnings yield is 1.81%, the inverse of its 55.3x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.