BIRDX vs. WPC
BIRDX (iShares Developed Real Estate Index Fund) is REIT fund managed by BlackRock, while WPC (W. P. Carey Inc.) is a stock. Over the past 10 years, BIRDX returned 3.59%/yr vs 7.88%/yr for WPC. A 0.73 correlation means they provide meaningful diversification when combined.
Performance
BIRDX vs. WPC - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BIRDX achieves a 7.27% return, which is significantly lower than WPC's 15.91% return. Over the past 10 years, BIRDX has underperformed WPC with an annualized return of 3.59%, while WPC has yielded a comparatively higher 7.88% annualized return.
BIRDX
- 1D
- 0.23%
- 1M
- -1.59%
- YTD
- 7.27%
- 6M
- 7.00%
- 1Y
- 12.12%
- 3Y*
- 9.52%
- 5Y*
- 1.59%
- 10Y*
- 3.59%
WPC
- 1D
- -0.28%
- 1M
- 1.59%
- YTD
- 15.91%
- 6M
- 13.63%
- 1Y
- 25.09%
- 3Y*
- 9.20%
- 5Y*
- 5.56%
- 10Y*
- 7.88%
BIRDX vs. WPC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BIRDX iShares Developed Real Estate Index Fund | 7.27% | 10.27% | 1.49% | 10.38% | -24.68% | 26.90% | -8.24% | 22.33% | -4.80% | 7.56% |
WPC W. P. Carey Inc. | 15.91% | 24.99% | -10.59% | -7.93% | 0.47% | 22.88% | -5.99% | 28.84% | 1.08% | 25.68% |
Correlation
The correlation between BIRDX and WPC is 0.64, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.64 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.67 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.70 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.72 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016 | 0.73 |
The correlation between BIRDX and WPC has been stable across timeframes, ranging from 0.64 to 0.73 - a consistent structural relationship.
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
BIRDX vs. WPC — Risk / Return Rank
BIRDX
WPC
BIRDX vs. WPC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Developed Real Estate Index Fund (BIRDX) and W. P. Carey Inc. (WPC). 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.
| BIRDX | WPC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.60 | ||
| Sortino ratioReturn per unit of downside risk | -0.79 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.27 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.14 | 2.60 | -1.45 |
| Martin ratioReturn relative to average drawdown | 4.30 | 7.92 | -3.63 |
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
| BIRDX | WPC | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.97 | 1.57 | -0.60 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.08 | 0.27 | -0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.19 | 0.31 | -0.12 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.46 | -0.23 |
Drawdowns
BIRDX vs. WPC - Drawdown Comparison
The maximum BIRDX drawdown since its inception was -43.03%, smaller than the maximum WPC drawdown of -52.45%. Use the drawdown chart below to compare losses from any high point for BIRDX and WPC.
Loading charts...
Drawdown Indicators
| BIRDX | WPC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.03% | -52.45% | +9.42% |
Max Drawdown (1Y)Largest decline over 1 year | -10.04% | -9.71% | -0.33% |
Max Drawdown (3Y)Largest decline over 3 years | -27.40% | -27.07% | -0.33% |
Max Drawdown (5Y)Largest decline over 5 years | -32.54% | -36.81% | +4.27% |
Max Drawdown (10Y)Largest decline over 10 years | -43.03% | -52.45% | +9.42% |
Current DrawdownCurrent decline from peak | -6.32% | -1.91% | -4.41% |
Average DrawdownAverage peak-to-trough decline | -10.85% | -10.27% | -0.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.67% | 3.17% | -0.50% |
Volatility
BIRDX vs. WPC - Volatility Comparison
The current volatility for iShares Developed Real Estate Index Fund (BIRDX) is 3.66%, while W. P. Carey Inc. (WPC) has a volatility of 4.03%. This indicates that BIRDX experiences smaller price fluctuations and is considered to be less risky than WPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BIRDX | WPC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.66% | 4.03% | -0.37% |
Volatility (6M)Calculated over the trailing 6-month period | 8.96% | 12.06% | -3.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.88% | 16.08% | -4.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.27% | 20.63% | -1.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.10% | 25.79% | -6.69% |
Dividends
BIRDX vs. WPC - Dividend Comparison
BIRDX's dividend yield for the trailing twelve months is around 6.63%, more than WPC's 4.97% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIRDX iShares Developed Real Estate Index Fund | 6.63% | 6.84% | 23.69% | 2.99% | 1.24% | 4.18% | 1.91% | 6.67% | 4.18% | 1.70% | 2.24% | 0.00% |
WPC W. P. Carey Inc. | 4.97% | 5.62% | 6.41% | 7.93% | 5.43% | 5.12% | 5.91% | 5.17% | 6.26% | 7.26% | 6.65% | 6.48% |
Frequently Asked Questions
BIRDX and WPC have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WPC has higher volatility (4.03%) compared to BIRDX (3.66%). In terms of maximum drawdown, BIRDX dropped -43.03% vs WPC's -52.45%.
WPC currently has the higher Sharpe Ratio (1.57 vs 0.97), 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 BIRDX and WPC
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