SECU vs. MBSD
SECU (iShares Securitized Income Active ETF) and MBSD (FlexShares Disciplined Duration MBS Index Fund) are both Mortgage Backed Securities funds. SECU is actively managed, while MBSD is passively managed. At a 0.41 correlation, their price movements are largely independent. SECU charges 0.40%/yr vs 0.20%/yr for MBSD.
Performance
SECU vs. MBSD - Performance Comparison
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Returns By Period
SECU
- 1D
- -0.02%
- 1M
- 0.60%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MBSD
- 1D
- 0.09%
- 1M
- 0.45%
- YTD
- 0.60%
- 6M
- 0.67%
- 1Y
- 4.57%
- 3Y*
- 4.26%
- 5Y*
- 0.72%
- 10Y*
- 1.38%
SECU vs. MBSD - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
SECU iShares Securitized Income Active ETF | 1.51% |
MBSD FlexShares Disciplined Duration MBS Index Fund | 0.38% |
Correlation
The correlation between SECU and MBSD is 0.41, 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 26, 2026 | 0.41 |
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Return for Risk
SECU vs. MBSD — Risk / Return Rank
SECU
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
MBSD
SECU vs. MBSD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Securitized Income Active ETF (SECU) and FlexShares Disciplined Duration MBS Index Fund (MBSD). 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.
| SECU | MBSD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.23 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.11 | — |
| Martin ratioReturn relative to average drawdown | — | 6.31 | — |
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Drawdowns
SECU vs. MBSD - Drawdown Comparison
The maximum SECU drawdown since its inception was -1.76%, smaller than the maximum MBSD drawdown of -14.36%. Use the drawdown chart below to compare losses from any high point for SECU and MBSD.
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Drawdown Indicators
| SECU | MBSD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.76% | -14.36% | +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 | -0.40% | -1.02% | +0.62% |
Average DrawdownAverage peak-to-trough decline | -0.51% | -2.81% | +2.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.72% | — |
Volatility
SECU vs. MBSD - Volatility Comparison
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Volatility by Period
| SECU | MBSD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.97% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 2.51% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 3.30% | 3.49% | -0.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.30% | 5.16% | -1.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.30% | 4.27% | -0.97% |
SECU vs. MBSD - Expense Ratio Comparison
SECU has a 0.40% expense ratio, which is higher than MBSD's 0.20% expense ratio.
Dividends
SECU vs. MBSD - Dividend Comparison
SECU's dividend yield for the trailing twelve months is around 2.10%, less than MBSD's 4.19% 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
SECU and MBSD have a correlation of 0.41, 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: iShares and Northern Trust. Their fees differ too: 0.40% for SECU and 0.20% for MBSD.
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