DGX monthly performance report
Monthly DGX research: returns, drawdown, relative strength, seasonality, and key stats.
DGX monthly report
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Key takeaways
- Quest Diagnostics (DGX) closed September 2026 at $235.02, down 2.20% for the month and +28.10% over the trailing 12 months.
- Year-to-date, DGX is +35.43%, outperforming the S&P 500 which has returned +12.08% YTD.
- The stock is trading +16.69% versus its 200-day moving average ($201.41), a bullish technical signal.
- Over the past three years, DGX has outperformed the S&P 500 by +15.05%, with a relative strength index reading of 108.8.
- Win rate over the trailing 39 months stands at 56.4% — 22 positive months versus 17 negative months.
Quest Diagnostics ended September 2026 at $235.02, posting a monthly return of −2.20%. The S&P 500 returned −0.36% over the same window, leaving relative performance at −1.84%.
The current quarter stands at +10.88% (Q3 2026 (QTD)), while medium-term trend remains constructive: price is +16.69% versus the 200-day moving average ($201.41).
Year-to-date, DGX is +35.43% against SPY +12.08%, a gap of +23.36%. The stock is currently −4.92% below its 52-week high, with maximum 3-year drawdown at −12.90%.
| Period | DGX | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | +1.68% | +0.85% | +0.83% |
| 1 Week | −2.40% | −0.11% | −2.29% |
| 1 Month | −2.20% | −0.36% | −1.84% |
| 3 Months | +14.91% | +5.36% | +9.55% |
| 6 Months | +17.98% | +12.68% | +5.29% |
| YTD | +35.43% | +12.08% | +23.36% |
| 12 Months | +28.10% | +16.22% | +11.89% |
| 3 Years | +85.48% | +70.43% | +15.05% |
| Rank | Month | Return |
|---|---|---|
| #1 | Feb 2026 | +13.30% |
| #2 | Aug 2024 | +10.31% |
| #3 | Jul 2026 | +9.94% |
| #4 | Jun 2026 | +8.75% |
| #5 | Aug 2025 | +8.50% |
| Rank | Month | Return |
|---|---|---|
| #1 | Dec 2025 | −8.27% |
| #2 | Oct 2025 | −7.68% |
| #3 | Mar 2026 | −7.52% |
| #4 | Sep 2023 | −7.33% |
| #5 | Dec 2024 | −7.25% |
| Quarter | Return |
|---|---|
| Q2 2025 | +6.16% |
| Q3 2025 | +6.10% |
| Q4 2025 | −8.95% |
| Q1 2026 | +12.94% |
| Q2 2026 | +8.15% |
| Q3 2026 (QTD) | +10.88% |
| Year | Return |
|---|---|
| 2023 | −11.86% |
| 2024 | +9.41% |
| 2025 | +15.03% |
| 2026 | +35.43% |
| Metric | Value |
|---|---|
| 52-Week High | $247.19 (2026-08-27) |
| 52-Week Low | $171.18 (2026-01-05) |
| Current Price | $235.02 |
| 200-Day Moving Average | $201.41 |
| Price vs 200DMA | +16.69% |
| 3-Year Maximum Drawdown | −12.90% (2024-02-05) |
| Current Drawdown from 52W High | −4.92% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 108.8 |
| 3-Year Excess Return vs S&P 500 | +15.05% |
| RS Peak | 116 (Apr 2025) |
| RS Trough | 86 (Mar 2024) |
| Status | Outperforming Benchmark |
Frequently asked questions
What was DGX's return for this report period?
DGX returned −2.20% in the latest monthly window ending 2026-09-11.
Has DGX outperformed SPY year to date?
YTD DGX: +35.43% vs SPY: +12.08%.
What is DGX's 12-month return?
+28.10% over the trailing 12 months.
Is DGX above or below its 200-day moving average?
Price is +16.69% versus 200DMA ($201.41).
What is the maximum drawdown in the 3-year window?
−12.90% on 2024-02-05.