WST vs. O
WST (West Pharmaceutical Services, Inc.) and O (Realty Income Corporation) are both stocks. WST operates in Medical Instruments & Supplies (Healthcare), while O operates in REIT - Retail (Real Estate). Over the past 10 years, WST returned 15.91%/yr vs 4.22%/yr for O. Their 0.26 correlation means their historical movements had little consistent relationship.
Performance
WST vs. O - Performance Comparison
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Returns By Period
In the year-to-date period, WST achieves a 24.21% return, which is significantly higher than O's 16.77% return. Over the past 10 years, WST has outperformed O with an annualized return of 15.91%, while O has yielded a comparatively lower 4.22% annualized return.
WST
- 1D
- 0.40%
- 1M
- -6.71%
- 6M
- 47.73%
- YTD
- 24.21%
- 1Y
- 42.95%
- 3Y*
- -2.56%
- 5Y*
- -3.45%
- 10Y*
- 15.91%
- ALL TIME*
- 11.71%
O
- 1D
- -0.45%
- 1M
- 0.47%
- 6M
- 7.15%
- YTD
- 16.77%
- 1Y
- 19.09%
- 3Y*
- 7.48%
- 5Y*
- 3.93%
- 10Y*
- 4.22%
- ALL TIME*
- 13.51%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $289.37M | $324.64M | $369.00M | |
| $362.83M | $291.60M | $272.21M |
WST vs. O - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WST West Pharmaceutical Services, Inc. | 24.21% | -15.73% | -6.75% | 49.97% | -49.70% | 65.88% | 89.05% | 54.13% | -0.08% | 17.02% |
O Realty Income Corporation | 16.77% | 12.20% | -2.11% | -4.55% | -7.38% | 23.95% | -11.60% | 21.27% | 15.94% | 3.67% |
Correlation
The correlation between WST and O is 0.09, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.09 |
Correlation (3Y) Balances recent behavior with more history. | 0.15 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.24 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.20 |
Correlation (All Time) Calculated using the full available price history since Oct 18, 1994 | 0.26 |
The correlation between WST and O shifts across timeframes, from 0.09 (1 year) to 0.26 (all time), reflecting how their relationship changes across market environments.
Fundamentals
WST:
$24.00B
O:
$59.56B
WST:
$7.82
O:
$1.32
WST:
43.62
O:
48.46
WST:
7.41
O:
6.55
WST:
$3.33B
O:
$5.92B
WST:
$1.22B
O:
$3.89B
WST:
$824.20M
O:
$3.93B
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Return for Risk
WST vs. O — Risk / Return Rank
WST
O
WST vs. O - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for West Pharmaceutical Services, Inc. (WST) and Realty Income Corporation (O). 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.
| WST | O | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.22 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.21 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.75 | 1.86 | -0.12 |
| Martin ratioReturn relative to average drawdown | 3.78 | 4.24 | -0.46 |
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Drawdowns
WST vs. O - Drawdown Comparison
The maximum WST drawdown since its inception was -59.29%, which is greater than O's maximum drawdown of -48.45%. Use the drawdown chart below to compare losses from any high point for WST and O.
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Drawdown Indicators
| WST | O | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.29% | -48.45% | -10.84% |
Max Drawdown (1Y)Largest decline over 1 year | -24.70% | -11.10% | -13.60% |
Max Drawdown (3Y)Largest decline over 3 years | -53.79% | -22.36% | -31.43% |
Max Drawdown (5Y)Largest decline over 5 years | -59.29% | -34.48% | -24.81% |
Max Drawdown (10Y)Largest decline over 10 years | -59.29% | -48.28% | -11.01% |
Current DrawdownCurrent decline from peak | -26.74% | -3.39% | -23.35% |
Average DrawdownAverage peak-to-trough decline | -16.92% | -9.18% | -7.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.41% | 4.87% | +6.54% |
Volatility
WST vs. O - Volatility Comparison
West Pharmaceutical Services, Inc. (WST) has a higher volatility of 9.56% compared to Realty Income Corporation (O) at 6.31%. This indicates that WST's price experiences larger fluctuations and is considered to be riskier than O based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WST | O | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.56% | 6.31% | +3.25% |
Volatility (6M)Calculated over the trailing 6-month period | 24.58% | 12.91% | +11.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.01% | 16.57% | +17.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 40.73% | 19.04% | +21.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 34.73% | 25.67% | +9.06% |
Dividends
WST vs. O - Dividend Comparison
WST's dividend yield for the trailing twelve months is around 0.26%, less than O's 5.50% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
O Realty Income Corporation | 5.07% | 6.19% | 5.37% | 5.33% | 4.68% | 3.87% | 4.51% | 3.69% | 4.19% | 4.45% | 4.18% | 4.41% |
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
WST vs. O - Financials Comparison
This section allows you to compare key financial metrics between West Pharmaceutical Services, Inc. and Realty Income Corporation. 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
WST vs. O - Profitability Comparison
WST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, West Pharmaceutical Services, Inc. reported a gross profit of 329.20M and revenue of 872.30M. Therefore, the gross margin over that period was 37.7%.
O - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Realty Income Corporation reported a gross profit of 0.00 and revenue of 1.55B. Therefore, the gross margin over that period was 0.0%.
WST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, West Pharmaceutical Services, Inc. reported an operating income of 179.10M and revenue of 872.30M, resulting in an operating margin of 20.5%.
O - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Realty Income Corporation reported an operating income of 0.00 and revenue of 1.55B, resulting in an operating margin of 0.0%.
WST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, West Pharmaceutical Services, Inc. reported a net income of 154.00M and revenue of 872.30M, resulting in a net margin of 17.7%.
O - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Realty Income Corporation reported a net income of -9.17M and revenue of 1.55B, resulting in a net margin of -0.6%.
Frequently Asked Questions
WST and O have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WST has higher volatility (9.56%) compared to O (6.31%). In terms of maximum drawdown, WST dropped -59.29% vs O's -48.45%.
WST currently has the higher Sharpe Ratio (1.28 vs 1.25), 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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