AMGN monthly performance report
Monthly AMGN research: returns, drawdown, relative strength, seasonality, and key stats.
AMGN monthly report
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Key takeaways
- Amgen (AMGN) closed September 2026 at $393.17, down 8.54% for the month and +40.32% over the trailing 12 months.
- Year-to-date, AMGN is +20.12%, outperforming the S&P 500 which has returned +12.32% YTD.
- The stock is trading +10.04% versus its 200-day moving average ($357.29), a bullish technical signal.
- Over the past three years, AMGN has underperformed the S&P 500 by −20.37%, with a relative strength index reading of 88.1.
- Win rate over the trailing 39 months stands at 56.4% — 22 positive months versus 17 negative months.
Amgen ended September 2026 at $393.17, posting a monthly return of −8.54%. The S&P 500 returned −0.14% over the same window, leaving relative performance at −8.40%.
The current quarter stands at +8.57% (Q3 2026 (QTD)), while medium-term trend remains constructive: price is +10.04% versus the 200-day moving average ($357.29).
Year-to-date, AMGN is +20.12% against SPY +12.32%, a gap of +7.80%. The stock is currently −12.05% below its 52-week high, with maximum 3-year drawdown at −23.35%.
| Period | AMGN | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | −10.08% | −0.55% | −9.53% |
| 1 Week | −10.03% | −0.44% | −9.59% |
| 1 Month | −8.54% | −0.14% | −8.40% |
| 3 Months | +19.77% | +1.17% | +18.60% |
| 6 Months | +1.94% | +11.80% | −9.86% |
| YTD | +20.12% | +12.32% | +7.80% |
| 12 Months | +40.32% | +18.05% | +22.27% |
| 3 Years | +51.55% | +71.92% | −20.37% |
| Rank | Month | Return |
|---|---|---|
| #1 | Nov 2025 | +15.76% |
| #2 | Feb 2026 | +13.54% |
| #3 | May 2024 | +11.65% |
| #4 | Aug 2026 | +11.61% |
| #5 | Jan 2025 | +9.51% |
| Rank | Month | Return |
|---|---|---|
| #1 | Feb 2024 | −12.87% |
| #2 | Nov 2024 | −11.65% |
| #3 | Mar 2026 | −9.35% |
| #4 | Sep 2026 | −8.54% |
| #5 | Dec 2024 | −7.86% |
| Quarter | Return |
|---|---|
| Q2 2025 | −10.38% |
| Q3 2025 | +1.07% |
| Q4 2025 | +15.99% |
| Q1 2026 | +7.50% |
| Q2 2026 | +2.92% |
| Q3 2026 (QTD) | +8.57% |
| Year | Return |
|---|---|
| 2023 | +9.66% |
| 2024 | −9.51% |
| 2025 | +25.58% |
| 2026 | +20.12% |
| Metric | Value |
|---|---|
| 52-Week High | $447.03 (2026-08-25) |
| 52-Week Low | $269.77 (2025-09-26) |
| Current Price | $393.17 |
| 200-Day Moving Average | $357.29 |
| Price vs 200DMA | +10.04% |
| 3-Year Maximum Drawdown | −23.35% (2025-01-06) |
| Current Drawdown from 52W High | −12.05% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 88.1 |
| 3-Year Excess Return vs S&P 500 | −20.37% |
| RS Peak | 113.9 (Feb 2024) |
| RS Trough | 70.8 (Sep 2025) |
| Status | Underperforming Benchmark |
Frequently asked questions
What was AMGN's return for this report period?
AMGN returned −8.54% in the latest monthly window ending 2026-09-08.
Has AMGN outperformed SPY year to date?
YTD AMGN: +20.12% vs SPY: +12.32%.
What is AMGN's 12-month return?
+40.32% over the trailing 12 months.
Is AMGN above or below its 200-day moving average?
Price is +10.04% versus 200DMA ($357.29).
What is the maximum drawdown in the 3-year window?
−23.35% on 2025-01-06.