DGX vs. ALGN
DGX (Quest Diagnostics Incorporated) and ALGN (Align Technology, Inc.) are both stocks. Both are in the Healthcare sector — DGX in Diagnostics & Research, ALGN in Medical Devices. Over the past 10 years, DGX returned 12.00%/yr vs 8.12%/yr for ALGN. At a 0.30 correlation, their price movements are largely independent.
Performance
DGX vs. ALGN - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, DGX achieves a 14.66% return, which is significantly higher than ALGN's 10.18% return. Over the past 10 years, DGX has outperformed ALGN with an annualized return of 12.00%, while ALGN has yielded a comparatively lower 8.12% annualized return.
DGX
- 1D
- -1.54%
- 1M
- 5.24%
- YTD
- 14.66%
- 6M
- 9.44%
- 1Y
- 15.16%
- 3Y*
- 15.88%
- 5Y*
- 11.27%
- 10Y*
- 12.00%
ALGN
- 1D
- 2.57%
- 1M
- 1.94%
- YTD
- 10.18%
- 6M
- 9.11%
- 1Y
- -4.74%
- 3Y*
- -17.32%
- 5Y*
- -21.72%
- 10Y*
- 8.12%
DGX vs. ALGN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DGX Quest Diagnostics Incorporated | 14.66% | 17.20% | 11.77% | -10.05% | -7.80% | 47.86% | 14.11% | 31.13% | -13.84% | 9.16% |
ALGN Align Technology, Inc. | 10.18% | -25.11% | -23.90% | 29.92% | -67.91% | 22.98% | 91.51% | 33.24% | -5.74% | 131.13% |
Correlation
The correlation between DGX and ALGN is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.24 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.28 |
Correlation (All Time) Calculated using the full available price history since Jan 31, 2001 | 0.30 |
The correlation between DGX and ALGN shifts across timeframes, from 0.15 (3 years) to 0.30 (all time), reflecting how their relationship changes across market environments.
Fundamentals
DGX:
$22.09B
ALGN:
$12.32B
DGX:
$9.10
ALGN:
$5.96
DGX:
21.67
ALGN:
28.85
DGX:
1.97
ALGN:
3.03
DGX:
3.00
ALGN:
2.97
DGX:
$11.28B
ALGN:
$4.10B
DGX:
$3.75B
ALGN:
$2.77B
DGX:
$1.98B
ALGN:
$776.15M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
DGX vs. ALGN — Risk / Return Rank
DGX
ALGN
DGX vs. ALGN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Quest Diagnostics Incorporated (DGX) and Align Technology, Inc. (ALGN). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| DGX | ALGN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.76 | ||
| Sortino ratioReturn per unit of downside risk | +0.91 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.05 | +0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.32 | -0.12 | +1.44 |
| Martin ratioReturn relative to average drawdown | 2.74 | -0.20 | +2.94 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| DGX | ALGN | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.67 | -0.09 | +0.76 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.52 | -0.44 | +0.96 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.17 | +0.34 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.16 | +0.37 |
Drawdowns
DGX vs. ALGN - Drawdown Comparison
The maximum DGX drawdown since its inception was -49.46%, smaller than the maximum ALGN drawdown of -92.30%. Use the drawdown chart below to compare losses from any high point for DGX and ALGN.
Loading charts...
Drawdown Indicators
| DGX | ALGN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.46% | -92.30% | +42.84% |
Max Drawdown (1Y)Largest decline over 1 year | -11.55% | -39.73% | +28.18% |
Max Drawdown (3Y)Largest decline over 3 years | -16.57% | -67.59% | +51.02% |
Max Drawdown (5Y)Largest decline over 5 years | -28.62% | -82.89% | +54.27% |
Max Drawdown (10Y)Largest decline over 10 years | -36.60% | -82.89% | +46.29% |
Current DrawdownCurrent decline from peak | -6.53% | -76.43% | +69.90% |
Average DrawdownAverage peak-to-trough decline | -11.90% | -37.65% | +25.75% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.54% | 23.90% | -18.36% |
Volatility
DGX vs. ALGN - Volatility Comparison
The current volatility for Quest Diagnostics Incorporated (DGX) is 5.45%, while Align Technology, Inc. (ALGN) has a volatility of 11.85%. This indicates that DGX experiences smaller price fluctuations and is considered to be less risky than ALGN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| DGX | ALGN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.45% | 11.85% | -6.40% |
Volatility (6M)Calculated over the trailing 6-month period | 16.64% | 28.46% | -11.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.79% | 52.81% | -30.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.76% | 49.56% | -27.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.78% | 49.06% | -25.28% |
Dividends
DGX vs. ALGN - Dividend Comparison
DGX's dividend yield for the trailing twelve months is around 1.65%, while ALGN has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ALGN Align Technology, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
DGX Quest Diagnostics Incorporated | 1.65% | 1.82% | 1.96% | 2.02% | 1.66% | 1.40% | 1.85% | 1.99% | 2.34% | 1.83% | 1.72% | 2.07% |
Financials
DGX vs. ALGN - Financials Comparison
This section allows you to compare key financial metrics between Quest Diagnostics Incorporated and Align Technology, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
DGX vs. ALGN - Profitability Comparison
DGX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported a gross profit of 942.00M and revenue of 2.90B. Therefore, the gross margin over that period was 32.5%.
ALGN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Align Technology, Inc. reported a gross profit of 736.59M and revenue of 1.04B. Therefore, the gross margin over that period was 70.8%.
DGX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported an operating income of 399.00M and revenue of 2.90B, resulting in an operating margin of 13.8%.
ALGN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Align Technology, Inc. reported an operating income of 141.96M and revenue of 1.04B, resulting in an operating margin of 13.7%.
DGX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported a net income of 252.00M and revenue of 2.90B, resulting in a net margin of 8.7%.
ALGN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Align Technology, Inc. reported a net income of 112.77M and revenue of 1.04B, resulting in a net margin of 10.8%.
Frequently Asked Questions
DGX and ALGN have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ALGN has higher volatility (11.85%) compared to DGX (5.45%). In terms of maximum drawdown, DGX dropped -49.46% vs ALGN's -92.30%.
DGX currently has the higher Sharpe Ratio (0.67 vs -0.09), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for DGX and ALGN
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer