MBSD vs. SECU
MBSD (FlexShares Disciplined Duration MBS Index Fund) and SECU (iShares Securitized Income Active ETF) are both Mortgage Backed Securities funds. MBSD is passively managed, while SECU is actively managed. At a 0.39 correlation, their price movements are largely independent. MBSD charges 0.20%/yr vs 0.40%/yr for SECU.
Performance
MBSD vs. SECU - Performance Comparison
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Returns By Period
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%
SECU
- 1D
- -0.10%
- 1M
- 0.47%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MBSD vs. SECU - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
MBSD FlexShares Disciplined Duration MBS Index Fund | 0.11% |
SECU iShares Securitized Income Active ETF | 1.33% |
Correlation
The correlation between MBSD and SECU is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jan 27, 2026 | 0.39 |
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Return for Risk
MBSD vs. SECU — Risk / Return Rank
MBSD
SECU
MBSD vs. SECU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares Disciplined Duration MBS Index Fund (MBSD) and iShares Securitized Income Active ETF (SECU). 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 | SECU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.27 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 2.43 | — | — |
| Martin ratioReturn relative to average drawdown | 7.71 | — | — |
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 | SECU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.50 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.12 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.38 | 1.15 | -0.77 |
Drawdowns
MBSD vs. SECU - Drawdown Comparison
The maximum MBSD drawdown since its inception was -14.36%, which is greater than SECU's maximum drawdown of -1.76%. Use the drawdown chart below to compare losses from any high point for MBSD and SECU.
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Drawdown Indicators
| MBSD | SECU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.36% | -1.76% | -12.60% |
Max Drawdown (1Y)Largest decline over 1 year | -2.17% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -4.68% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -14.10% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -14.36% | — | — |
Current DrawdownCurrent decline from peak | -1.19% | -0.10% | -1.09% |
Average DrawdownAverage peak-to-trough decline | -2.81% | -0.56% | -2.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.68% | — | — |
Volatility
MBSD vs. SECU - Volatility Comparison
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Volatility by Period
| MBSD | SECU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.15% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 2.47% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 3.53% | 3.34% | +0.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.15% | 3.34% | +1.81% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.26% | 3.34% | +0.92% |
MBSD vs. SECU - Expense Ratio Comparison
MBSD has a 0.20% expense ratio, which is lower than SECU's 0.40% expense ratio.
Dividends
MBSD vs. SECU - Dividend Comparison
MBSD's dividend yield for the trailing twelve months is around 4.19%, more than SECU's 2.10% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
SECU iShares Securitized Income Active ETF | 2.10% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MBSD and SECU have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, MBSD is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.
MBSD is cheaper with a 0.20% expense ratio, compared with 0.40% for SECU.
MBSD has the higher dividend yield at 4.19%, compared with 2.10% for SECU.
They also come from different issuers: Northern Trust and iShares. Their fees differ too: 0.20% for MBSD and 0.40% for SECU.
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