NWJJX vs. WFBIX
NWJJX (Nationwide Loomis Core Bond Fund) and WFBIX (iShares U.S. Aggregate Bond Index Fund) are both Intermediate Core Bond funds. Over the past 10 years, NWJJX returned 1.60%/yr vs 1.92%/yr for WFBIX. Their correlation of 0.94 suggests significant overlap in exposure. NWJJX charges 0.73%/yr vs 0.05%/yr for WFBIX.
Performance
NWJJX vs. WFBIX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with NWJJX having a 0.67% return and WFBIX slightly lower at 0.65%. Over the past 10 years, NWJJX has underperformed WFBIX with an annualized return of 1.60%, while WFBIX has yielded a comparatively higher 1.92% annualized return.
NWJJX
- 1D
- 0.42%
- 1M
- 0.89%
- YTD
- 0.67%
- 6M
- 0.80%
- 1Y
- 4.24%
- 3Y*
- 4.13%
- 5Y*
- -0.06%
- 10Y*
- 1.60%
WFBIX
- 1D
- 0.44%
- 1M
- 0.78%
- YTD
- 0.65%
- 6M
- 0.76%
- 1Y
- 4.42%
- 3Y*
- 5.41%
- 5Y*
- 0.92%
- 10Y*
- 1.92%
NWJJX vs. WFBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NWJJX Nationwide Loomis Core Bond Fund | 0.67% | 6.71% | 1.86% | 5.28% | -13.82% | -1.55% | 8.26% | 9.58% | -0.67% | 3.14% |
WFBIX iShares U.S. Aggregate Bond Index Fund | 0.65% | 7.16% | 1.43% | 9.65% | -13.03% | -1.79% | 7.40% | 8.72% | -0.08% | 3.39% |
Correlation
The correlation between NWJJX and WFBIX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Sep 17, 2013 | 0.94 |
The correlation between NWJJX and WFBIX has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.
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Return for Risk
NWJJX vs. WFBIX — Risk / Return Rank
NWJJX
WFBIX
NWJJX vs. WFBIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nationwide Loomis Core Bond Fund (NWJJX) and iShares U.S. Aggregate Bond Index Fund (WFBIX). 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.
| NWJJX | WFBIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.05 | ||
| Sortino ratioReturn per unit of downside risk | -0.08 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.20 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.44 | 1.47 | -0.02 |
| Martin ratioReturn relative to average drawdown | 4.01 | 4.08 | -0.07 |
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Drawdowns
NWJJX vs. WFBIX - Drawdown Comparison
The maximum NWJJX drawdown since its inception was -18.99%, roughly equal to the maximum WFBIX drawdown of -18.68%. Use the drawdown chart below to compare losses from any high point for NWJJX and WFBIX.
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Drawdown Indicators
| NWJJX | WFBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.99% | -18.68% | -0.31% |
Max Drawdown (1Y)Largest decline over 1 year | -2.94% | -3.02% | +0.08% |
Max Drawdown (3Y)Largest decline over 3 years | -5.87% | -6.09% | +0.22% |
Max Drawdown (5Y)Largest decline over 5 years | -18.78% | -17.84% | -0.94% |
Max Drawdown (10Y)Largest decline over 10 years | -18.99% | -18.68% | -0.31% |
Current DrawdownCurrent decline from peak | -2.43% | -1.28% | -1.15% |
Average DrawdownAverage peak-to-trough decline | -4.09% | -2.26% | -1.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.06% | 1.09% | -0.03% |
Volatility
NWJJX vs. WFBIX - Volatility Comparison
Nationwide Loomis Core Bond Fund (NWJJX) and iShares U.S. Aggregate Bond Index Fund (WFBIX) have volatilities of 1.22% and 1.24%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NWJJX | WFBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.22% | 1.24% | -0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 2.91% | 2.91% | 0.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.96% | 3.94% | +0.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.86% | 6.41% | -0.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.87% | 5.17% | -0.30% |
NWJJX vs. WFBIX - Expense Ratio Comparison
NWJJX has a 0.73% expense ratio, which is higher than WFBIX's 0.05% expense ratio.
Dividends
NWJJX vs. WFBIX - Dividend Comparison
NWJJX's dividend yield for the trailing twelve months is around 4.17%, more than WFBIX's 3.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NWJJX Nationwide Loomis Core Bond Fund | 4.17% | 4.14% | 4.10% | 3.09% | 1.89% | 2.18% | 5.17% | 3.30% | 2.60% | 2.16% | 3.12% | 2.42% |
WFBIX iShares U.S. Aggregate Bond Index Fund | 3.90% | 3.78% | 3.68% | 6.82% | 2.60% | 2.04% | 2.43% | 2.88% | 2.71% | 2.24% | 2.25% | 2.20% |
Frequently Asked Questions
With a correlation of 0.96, NWJJX and WFBIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
WFBIX has higher volatility (1.24%) compared to NWJJX (1.22%). In terms of maximum drawdown, NWJJX dropped -18.99% vs WFBIX's -18.68%.
WFBIX currently has the higher Sharpe Ratio (1.13 vs 1.08), 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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