ALGN vs. WST
ALGN (Align Technology, Inc.) and WST (West Pharmaceutical Services, Inc.) are both stocks. Both are in the Healthcare sector — ALGN in Medical Devices, WST in Medical Instruments & Supplies. Over the past 10 years, ALGN returned 8.20%/yr vs 16.73%/yr for WST. At a 0.40 correlation, their price movements are largely independent.
Performance
ALGN vs. WST - Performance Comparison
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Returns By Period
In the year-to-date period, ALGN achieves a 11.28% return, which is significantly lower than WST's 20.03% return. Over the past 10 years, ALGN has underperformed WST with an annualized return of 8.20%, while WST has yielded a comparatively higher 16.73% annualized return.
ALGN
- 1D
- -4.57%
- 1M
- 6.20%
- YTD
- 11.28%
- 6M
- 9.09%
- 1Y
- -4.42%
- 3Y*
- -19.15%
- 5Y*
- -22.10%
- 10Y*
- 8.20%
WST
- 1D
- 0.54%
- 1M
- 4.20%
- YTD
- 20.03%
- 6M
- 20.14%
- 1Y
- 53.27%
- 3Y*
- -3.24%
- 5Y*
- -1.42%
- 10Y*
- 16.73%
ALGN vs. WST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ALGN Align Technology, Inc. | 11.28% | -25.11% | -23.90% | 29.92% | -67.91% | 22.98% | 91.51% | 33.24% | -5.74% | 131.13% |
WST West Pharmaceutical Services, Inc. | 20.03% | -15.73% | -6.75% | 49.97% | -49.70% | 65.88% | 89.05% | 54.13% | -0.08% | 17.02% |
Correlation
The correlation between ALGN and WST is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.37 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.37 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.47 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.45 |
Correlation (All Time) Calculated using the full available price history since Jan 30, 2001 | 0.40 |
The correlation between ALGN and WST shifts across timeframes, from 0.37 (3 years) to 0.47 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
ALGN:
$12.44B
WST:
$23.87B
ALGN:
$5.96
WST:
$7.47
ALGN:
29.14
WST:
44.14
ALGN:
3.06
WST:
7.44
ALGN:
3.00
WST:
7.98
ALGN:
$4.10B
WST:
$3.22B
ALGN:
$2.77B
WST:
$1.17B
ALGN:
$776.15M
WST:
$799.00M
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Return for Risk
ALGN vs. WST — Risk / Return Rank
ALGN
WST
ALGN vs. WST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Align Technology, Inc. (ALGN) and West Pharmaceutical Services, Inc. (WST). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ALGN | WST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.38 | ||
| Sortino ratioReturn per unit of downside risk | -2.12 | ||
| Omega ratioGain probability vs. loss probability | 1.05 | 1.29 | -0.24 |
| Calmar ratioReturn relative to maximum drawdown | -0.11 | 2.17 | -2.28 |
| Martin ratioReturn relative to average drawdown | -0.18 | 4.35 | -4.53 |
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Drawdowns
ALGN vs. WST - Drawdown Comparison
The maximum ALGN drawdown since its inception was -92.83%, which is greater than WST's maximum drawdown of -59.29%. Use the drawdown chart below to compare losses from any high point for ALGN and WST.
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Drawdown Indicators
| ALGN | WST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.83% | -59.29% | -33.54% |
Max Drawdown (1Y)Largest decline over 1 year | -39.73% | -24.70% | -15.03% |
Max Drawdown (3Y)Largest decline over 3 years | -67.59% | -53.79% | -13.80% |
Max Drawdown (5Y)Largest decline over 5 years | -82.89% | -59.29% | -23.60% |
Max Drawdown (10Y)Largest decline over 10 years | -82.89% | -59.29% | -23.60% |
Current DrawdownCurrent decline from peak | -76.19% | -29.20% | -46.99% |
Average DrawdownAverage peak-to-trough decline | -37.99% | -16.89% | -21.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.05% | 12.30% | +11.75% |
Volatility
ALGN vs. WST - Volatility Comparison
Align Technology, Inc. (ALGN) has a higher volatility of 13.98% compared to West Pharmaceutical Services, Inc. (WST) at 7.83%. This indicates that ALGN's price experiences larger fluctuations and is considered to be riskier than WST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ALGN | WST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.98% | 7.83% | +6.15% |
Volatility (6M)Calculated over the trailing 6-month period | 29.95% | 25.12% | +4.83% |
Volatility (1Y)Calculated over the trailing 1-year period | 53.25% | 41.32% | +11.93% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 49.72% | 40.62% | +9.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.17% | 34.67% | +14.50% |
Dividends
ALGN vs. WST - Dividend Comparison
ALGN has not paid dividends to shareholders, while WST's dividend yield for the trailing twelve months is around 0.26%.
| 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% |
WST West Pharmaceutical Services, Inc. | 0.26% | 0.31% | 0.25% | 0.22% | 0.31% | 0.15% | 0.23% | 0.41% | 0.58% | 0.54% | 0.58% | 0.75% |
Financials
ALGN vs. WST - Financials Comparison
This section allows you to compare key financial metrics between Align Technology, Inc. and West Pharmaceutical Services, 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
ALGN vs. WST - Profitability Comparison
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%.
WST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, West Pharmaceutical Services, Inc. reported a gross profit of 296.40M and revenue of 844.90M. Therefore, the gross margin over that period was 35.1%.
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%.
WST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, West Pharmaceutical Services, Inc. reported an operating income of 177.10M and revenue of 844.90M, resulting in an operating margin of 21.0%.
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%.
WST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, West Pharmaceutical Services, Inc. reported a net income of 138.80M and revenue of 844.90M, resulting in a net margin of 16.4%.
Frequently Asked Questions
ALGN and WST have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ALGN has higher volatility (13.98%) compared to WST (7.83%). In terms of maximum drawdown, ALGN dropped -92.83% vs WST's -59.29%.
WST currently has the higher Sharpe Ratio (1.30 vs -0.08), 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.
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