SPMB vs. SECU
SPMB (SPDR Portfolio Mortgage Backed Bond ETF) and SECU (iShares Securitized Income Active ETF) are both Mortgage Backed Securities funds. SPMB is passively managed, while SECU is actively managed. At a 0.41 correlation, their price movements are largely independent. SPMB charges 0.04%/yr vs 0.40%/yr for SECU.
Performance
SPMB vs. SECU - Performance Comparison
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Returns By Period
SPMB
- 1D
- -0.22%
- 1M
- 0.27%
- YTD
- 0.51%
- 6M
- 0.64%
- 1Y
- 6.74%
- 3Y*
- 4.32%
- 5Y*
- 0.29%
- 10Y*
- 1.21%
SECU
- 1D
- -0.10%
- 1M
- 0.47%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPMB vs. SECU - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
SPMB SPDR Portfolio Mortgage Backed Bond ETF | -0.04% |
SECU iShares Securitized Income Active ETF | 1.33% |
Correlation
The correlation between SPMB and SECU 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 27, 2026 | 0.41 |
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Return for Risk
SPMB vs. SECU — Risk / Return Rank
SPMB
SECU
SPMB vs. SECU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Mortgage Backed Bond ETF (SPMB) 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.
| SPMB | SECU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.29 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 2.34 | — | — |
| Martin ratioReturn relative to average drawdown | 7.70 | — | — |
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
| SPMB | SECU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.58 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.04 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.16 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.34 | 1.15 | -0.81 |
Drawdowns
SPMB vs. SECU - Drawdown Comparison
The maximum SPMB drawdown since its inception was -18.03%, which is greater than SECU's maximum drawdown of -1.76%. Use the drawdown chart below to compare losses from any high point for SPMB and SECU.
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Drawdown Indicators
| SPMB | SECU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.03% | -1.76% | -16.27% |
Max Drawdown (1Y)Largest decline over 1 year | -2.89% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -7.66% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -17.49% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -18.03% | — | — |
Current DrawdownCurrent decline from peak | -1.58% | -0.10% | -1.48% |
Average DrawdownAverage peak-to-trough decline | -2.85% | -0.56% | -2.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.88% | — | — |
Volatility
SPMB vs. SECU - Volatility Comparison
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Volatility by Period
| SPMB | SECU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.58% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 3.08% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.28% | 3.34% | +0.94% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.77% | 3.34% | +3.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.61% | 3.34% | +4.27% |
SPMB vs. SECU - Expense Ratio Comparison
SPMB has a 0.04% expense ratio, which is lower than SECU's 0.40% expense ratio.
Dividends
SPMB vs. SECU - Dividend Comparison
SPMB's dividend yield for the trailing twelve months is around 4.09%, more than SECU's 2.10% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
SPMB SPDR Portfolio Mortgage Backed Bond ETF | 4.09% | 3.98% | 3.76% | 3.21% | 2.98% | 2.59% | 2.95% | 3.24% | 3.36% | 3.13% | 2.99% | 3.05% |
Frequently Asked Questions
SPMB and SECU 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, SPMB is cheaper at 0.04% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SPMB is cheaper with a 0.04% expense ratio, compared with 0.40% for SECU.
SPMB has the higher dividend yield at 4.09%, compared with 2.10% for SECU.
They also come from different issuers: State Street and iShares. Their fees differ too: 0.04% for SPMB and 0.40% for SECU.
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