BFMCX vs. OWFIX
BFMCX (BlackRock Core Bond Portfolio) and OWFIX (Old Westbury Fixed Income Fund) are both Intermediate Core Bond funds. Over the past 10 years, BFMCX returned 1.47%/yr vs 1.67%/yr for OWFIX. Their correlation of 0.82 suggests significant overlap in exposure. BFMCX charges 0.44%/yr vs 0.57%/yr for OWFIX.
Performance
BFMCX vs. OWFIX - Performance Comparison
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Returns By Period
In the year-to-date period, BFMCX achieves a -0.06% return, which is significantly lower than OWFIX's -0.01% return. Over the past 10 years, BFMCX has underperformed OWFIX with an annualized return of 1.47%, while OWFIX has yielded a comparatively higher 1.67% annualized return.
BFMCX
- 1D
- -0.36%
- 1M
- 0.59%
- YTD
- -0.06%
- 6M
- 0.51%
- 1Y
- 4.29%
- 3Y*
- 3.41%
- 5Y*
- -0.47%
- 10Y*
- 1.47%
OWFIX
- 1D
- 0.30%
- 1M
- 0.39%
- YTD
- -0.01%
- 6M
- 0.09%
- 1Y
- 3.31%
- 3Y*
- 4.15%
- 5Y*
- 0.91%
- 10Y*
- 1.67%
BFMCX vs. OWFIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BFMCX BlackRock Core Bond Portfolio | -0.06% | 7.43% | 0.66% | 5.32% | -14.35% | -1.52% | 8.32% | 9.85% | -0.28% | 3.16% |
OWFIX Old Westbury Fixed Income Fund | -0.01% | 7.48% | 1.93% | 4.81% | -8.39% | -1.87% | 7.41% | 6.12% | 0.64% | 1.41% |
Correlation
The correlation between BFMCX and OWFIX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.82 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.87 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.88 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.86 |
Correlation (All Time) Calculated using the full available price history since Mar 12, 1998 | 0.82 |
The correlation between BFMCX and OWFIX has been stable across timeframes, ranging from 0.82 to 0.88 - a consistent structural relationship.
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Return for Risk
BFMCX vs. OWFIX — Risk / Return Rank
BFMCX
OWFIX
BFMCX vs. OWFIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Core Bond Portfolio (BFMCX) and Old Westbury Fixed Income Fund (OWFIX). 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.
| BFMCX | OWFIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.10 | ||
| Sortino ratioReturn per unit of downside risk | -0.20 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.22 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.36 | 1.67 | -0.31 |
| Martin ratioReturn relative to average drawdown | 3.74 | 4.47 | -0.73 |
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Drawdowns
BFMCX vs. OWFIX - Drawdown Comparison
The maximum BFMCX drawdown since its inception was -19.49%, which is greater than OWFIX's maximum drawdown of -12.88%. Use the drawdown chart below to compare losses from any high point for BFMCX and OWFIX.
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Drawdown Indicators
| BFMCX | OWFIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.49% | -12.88% | -6.61% |
Max Drawdown (1Y)Largest decline over 1 year | -3.25% | -2.23% | -1.02% |
Max Drawdown (3Y)Largest decline over 3 years | -6.76% | -3.78% | -2.98% |
Max Drawdown (5Y)Largest decline over 5 years | -19.32% | -12.40% | -6.92% |
Max Drawdown (10Y)Largest decline over 10 years | -19.49% | -12.88% | -6.61% |
Current DrawdownCurrent decline from peak | -3.99% | -1.36% | -2.63% |
Average DrawdownAverage peak-to-trough decline | -2.73% | -2.25% | -0.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.18% | 0.80% | +0.38% |
Volatility
BFMCX vs. OWFIX - Volatility Comparison
BlackRock Core Bond Portfolio (BFMCX) has a higher volatility of 1.10% compared to Old Westbury Fixed Income Fund (OWFIX) at 0.98%. This indicates that BFMCX's price experiences larger fluctuations and is considered to be riskier than OWFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BFMCX | OWFIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.10% | 0.98% | +0.12% |
Volatility (6M)Calculated over the trailing 6-month period | 3.07% | 2.10% | +0.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.02% | 3.10% | +0.92% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.15% | 4.41% | +1.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.06% | 3.56% | +1.50% |
BFMCX vs. OWFIX - Expense Ratio Comparison
BFMCX has a 0.44% expense ratio, which is lower than OWFIX's 0.57% expense ratio.
Dividends
BFMCX vs. OWFIX - Dividend Comparison
BFMCX's dividend yield for the trailing twelve months is around 4.38%, more than OWFIX's 3.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BFMCX BlackRock Core Bond Portfolio | 4.38% | 4.10% | 3.86% | 3.21% | 1.86% | 2.11% | 5.78% | 2.86% | 3.02% | 2.69% | 2.41% | 2.57% |
OWFIX Old Westbury Fixed Income Fund | 3.82% | 4.72% | 3.95% | 3.08% | 2.06% | 1.91% | 5.05% | 1.88% | 1.90% | 1.49% | 1.33% | 1.31% |
Frequently Asked Questions
BFMCX and OWFIX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BFMCX has higher volatility (1.10%) compared to OWFIX (0.98%). In terms of maximum drawdown, BFMCX dropped -19.49% vs OWFIX's -12.88%.
OWFIX currently has the higher Sharpe Ratio (1.20 vs 1.10), 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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