AME monthly performance report
Monthly AME research: returns, drawdown, relative strength, seasonality, and key stats.
AME monthly report
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Key takeaways
- Ametek (AME) closed September 2026 at $241.87, up 2.85% for the month and +25.95% over the trailing 12 months.
- Year-to-date, AME is +17.81%, outperforming the S&P 500 which has returned +12.08% YTD.
- The stock is trading +7.09% versus its 200-day moving average ($225.87), a bullish technical signal.
- Over the past three years, AME has underperformed the S&P 500 by −12.81%, with a relative strength index reading of 92.5.
- Win rate over the trailing 39 months stands at 56.4% — 22 positive months versus 17 negative months.
Ametek ended September 2026 at $241.87, posting a monthly return of +2.85%. The S&P 500 returned −0.36% over the same window, leaving relative performance at +3.21%.
The current quarter stands at −0.03% (Q3 2026 (QTD)), while medium-term trend remains constructive: price is +7.09% versus the 200-day moving average ($225.87).
Year-to-date, AME is +17.81% against SPY +12.08%, a gap of +5.73%. The stock is currently −7.39% below its 52-week high, with maximum 3-year drawdown at −23.29%.
| Period | AME | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | +3.26% | +0.85% | +2.40% |
| 1 Week | +3.72% | −0.11% | +3.84% |
| 1 Month | +2.85% | −0.36% | +3.21% |
| 3 Months | +6.76% | +5.36% | +1.41% |
| 6 Months | +6.63% | +12.68% | −6.06% |
| YTD | +17.81% | +12.08% | +5.73% |
| 12 Months | +25.95% | +16.22% | +9.74% |
| 3 Years | +57.62% | +70.43% | −12.81% |
| Rank | Month | Return |
|---|---|---|
| #1 | Feb 2024 | +11.19% |
| #2 | Nov 2023 | +10.27% |
| #3 | Apr 2026 | +9.86% |
| #4 | Jan 2026 | +9.09% |
| #5 | Oct 2025 | +7.51% |
| Rank | Month | Return |
|---|---|---|
| #1 | Mar 2026 | −10.39% |
| #2 | Mar 2025 | −9.06% |
| #3 | Sep 2023 | −7.37% |
| #4 | Dec 2024 | −7.26% |
| #5 | Oct 2023 | −4.73% |
| Quarter | Return |
|---|---|
| Q2 2025 | +5.12% |
| Q3 2025 | +3.89% |
| Q4 2025 | +9.21% |
| Q1 2026 | +4.41% |
| Q2 2026 | +12.87% |
| Q3 2026 (QTD) | −0.03% |
| Year | Return |
|---|---|
| 2023 | +18.01% |
| 2024 | +9.32% |
| 2025 | +13.90% |
| 2026 | +17.81% |
| Metric | Value |
|---|---|
| 52-Week High | $261.16 (2026-08-13) |
| 52-Week Low | $179.24 (2025-10-10) |
| Current Price | $241.87 |
| 200-Day Moving Average | $225.87 |
| Price vs 200DMA | +7.09% |
| 3-Year Maximum Drawdown | −23.29% (2025-04-08) |
| Current Drawdown from 52W High | −7.39% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 92.5 |
| 3-Year Excess Return vs S&P 500 | −12.81% |
| RS Peak | 104.9 (Apr 2024) |
| RS Trough | 78.3 (Oct 2025) |
| Status | Underperforming Benchmark |
Frequently asked questions
What was AME's return for this report period?
AME returned +2.85% in the latest monthly window ending 2026-09-11.
Has AME outperformed SPY year to date?
YTD AME: +17.81% vs SPY: +12.08%.
What is AME's 12-month return?
+25.95% over the trailing 12 months.
Is AME above or below its 200-day moving average?
Price is +7.09% versus 200DMA ($225.87).
What is the maximum drawdown in the 3-year window?
−23.29% on 2025-04-08.