MBSD vs. GUNR
MBSD (FlexShares Disciplined Duration MBS Index Fund) and GUNR (FlexShares Morningstar Global Upstream Natural Resources Index Fund) are both exchange-traded funds - MBSD is a Mortgage Backed Securities fund tracking the ICE BofA Constrained Duration US Mortgage Backed Securities, while GUNR is a Commodity Producers Equities fund tracking the Morningstar Global Upstream Natural Resources Index. Both are passively managed. Over the past 10 years, MBSD returned 1.37%/yr vs 11.17%/yr for GUNR. At a 0.03 correlation, their price movements are largely independent. MBSD charges 0.20%/yr vs 0.46%/yr for GUNR.
Performance
MBSD vs. GUNR - Performance Comparison
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Returns By Period
In the year-to-date period, MBSD achieves a 0.42% return, which is significantly lower than GUNR's 19.20% return. Over the past 10 years, MBSD has underperformed GUNR with an annualized return of 1.37%, while GUNR has yielded a comparatively higher 11.17% annualized return.
MBSD
- 1D
- -0.22%
- 1M
- 0.16%
- YTD
- 0.42%
- 6M
- 0.52%
- 1Y
- 5.26%
- 3Y*
- 4.31%
- 5Y*
- 0.62%
- 10Y*
- 1.37%
GUNR
- 1D
- -0.69%
- 1M
- 0.04%
- YTD
- 19.20%
- 6M
- 21.67%
- 1Y
- 41.45%
- 3Y*
- 14.42%
- 5Y*
- 9.93%
- 10Y*
- 11.17%
MBSD vs. GUNR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MBSD FlexShares Disciplined Duration MBS Index Fund | 0.42% | 7.12% | 2.30% | 4.46% | -9.49% | -1.40% | 5.43% | 6.05% | 0.32% | 0.86% |
GUNR FlexShares Morningstar Global Upstream Natural Resources Index Fund | 19.20% | 30.03% | -8.37% | -2.40% | 14.83% | 26.06% | 0.46% | 18.41% | -9.42% | 18.74% |
Correlation
The correlation between MBSD and GUNR is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Sep 5, 2014 | 0.03 |
The correlation between MBSD and GUNR shifts across timeframes, from 0.03 (all time) to 0.18 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
MBSD vs. GUNR — Risk / Return Rank
MBSD
GUNR
MBSD vs. GUNR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares Disciplined Duration MBS Index Fund (MBSD) and FlexShares Morningstar Global Upstream Natural Resources Index Fund (GUNR). 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.
| MBSD | GUNR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.25 | ||
| Sortino ratioReturn per unit of downside risk | -1.26 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.48 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 2.43 | 6.12 | -3.69 |
| Martin ratioReturn relative to average drawdown | 7.71 | 23.21 | -15.50 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MBSD | GUNR | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.50 | 2.75 | -1.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.12 | 0.53 | -0.40 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 0.55 | -0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.38 | 0.33 | +0.05 |
Drawdowns
MBSD vs. GUNR - Drawdown Comparison
The maximum MBSD drawdown since its inception was -14.36%, smaller than the maximum GUNR drawdown of -45.64%. Use the drawdown chart below to compare losses from any high point for MBSD and GUNR.
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Drawdown Indicators
| MBSD | GUNR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.36% | -45.64% | +31.28% |
Max Drawdown (1Y)Largest decline over 1 year | -2.17% | -6.81% | +4.64% |
Max Drawdown (3Y)Largest decline over 3 years | -4.68% | -19.59% | +14.91% |
Max Drawdown (5Y)Largest decline over 5 years | -14.10% | -24.06% | +9.96% |
Max Drawdown (10Y)Largest decline over 10 years | -14.36% | -43.04% | +28.68% |
Current DrawdownCurrent decline from peak | -1.19% | -2.56% | +1.37% |
Average DrawdownAverage peak-to-trough decline | -2.81% | -10.40% | +7.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.68% | 1.79% | -1.11% |
Volatility
MBSD vs. GUNR - Volatility Comparison
The current volatility for FlexShares Disciplined Duration MBS Index Fund (MBSD) is 1.15%, while FlexShares Morningstar Global Upstream Natural Resources Index Fund (GUNR) has a volatility of 4.39%. This indicates that MBSD experiences smaller price fluctuations and is considered to be less risky than GUNR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBSD | GUNR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.15% | 4.39% | -3.24% |
Volatility (6M)Calculated over the trailing 6-month period | 2.47% | 12.57% | -10.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.53% | 15.14% | -11.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.15% | 18.98% | -13.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.26% | 20.42% | -16.16% |
MBSD vs. GUNR - Expense Ratio Comparison
MBSD has a 0.20% expense ratio, which is lower than GUNR's 0.46% expense ratio.
Dividends
MBSD vs. GUNR - Dividend Comparison
MBSD's dividend yield for the trailing twelve months is around 4.19%, more than GUNR's 2.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GUNR FlexShares Morningstar Global Upstream Natural Resources Index Fund | 2.24% | 2.81% | 3.39% | 3.55% | 4.12% | 3.61% | 2.79% | 3.25% | 3.27% | 2.00% | 1.73% | 4.50% |
MBSD FlexShares Disciplined Duration MBS Index Fund | 4.19% | 4.23% | 3.91% | 3.39% | 3.03% | 2.41% | 2.78% | 3.42% | 3.22% | 3.30% | 3.02% | 3.46% |
Frequently Asked Questions
MBSD and GUNR have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GUNR has higher volatility (4.39%) compared to MBSD (1.15%). In terms of maximum drawdown, MBSD dropped -14.36% vs GUNR's -45.64%.
On 10-year performance, GUNR leads with 11.17% vs 1.37% for MBSD. On fees, MBSD is cheaper at 0.20% per year. On volatility, MBSD has been the lower-risk option at 1.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, GUNR has performed better with a 11.17% return vs 1.37%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MBSD is cheaper with a 0.20% expense ratio, compared with 0.46% for GUNR.
MBSD has the higher dividend yield at 4.19%, compared with 2.24% for GUNR.
MBSD is categorized as Mortgage Backed Securities, while GUNR is Commodity Producers Equities. MBSD tracks ICE BofA Constrained Duration US Mortgage Backed Securities, while GUNR tracks Morningstar Global Upstream Natural Resources Index. Their fees differ too: 0.20% for MBSD and 0.46% for GUNR.
GUNR currently has the higher Sharpe Ratio (2.75 vs 1.50), 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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