JMBS vs. ASEC
JMBS (Janus Henderson Mortgage-Backed Securities ETF) and ASEC (American Century Securitized Credit ETF) are both Mortgage Backed Securities funds. Both are actively managed. Their 0.07 correlation means their historical movements had little consistent relationship. JMBS charges 0.32%/yr vs 0.29%/yr for ASEC.
Performance
JMBS vs. ASEC - Performance Comparison
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Returns By Period
JMBS
- 1D
- -0.42%
- 1M
- -1.51%
- 6M
- -1.06%
- YTD
- -0.47%
- 1Y
- 3.43%
- 3Y*
- 4.59%
- 5Y*
- 0.44%
- 10Y*
- —
- ALL TIME*
- 2.13%
ASEC
- 1D
- 0.04%
- 1M
- 0.19%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $679.57 | $2.96K | $422.99K | |
| $29.93M | $27.70M | $29.57M |
JMBS vs. ASEC - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
JMBS Janus Henderson Mortgage-Backed Securities ETF | -0.92% |
ASEC American Century Securitized Credit ETF | 0.13% |
Correlation
The correlation between JMBS and ASEC is 0.07, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since May 28, 2026 | 0.07 |
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Return for Risk
JMBS vs. ASEC — Risk / Return Rank
JMBS
ASEC
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
JMBS vs. ASEC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Mortgage-Backed Securities ETF (JMBS) and American Century Securitized Credit ETF (ASEC). 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.
| JMBS | ASEC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.18 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 1.44 | — | — |
| Martin ratioReturn relative to average drawdown | 3.93 | — | — |
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Drawdowns
JMBS vs. ASEC - Drawdown Comparison
The maximum JMBS drawdown since its inception was -16.68%, which is greater than ASEC's maximum drawdown of -0.46%. Use the drawdown chart below to compare losses from any high point for JMBS and ASEC.
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Drawdown Indicators
| JMBS | ASEC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.68% | -0.46% | -16.22% |
Max Drawdown (1Y)Largest decline over 1 year | -3.05% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -6.67% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -16.64% | — | — |
Current DrawdownCurrent decline from peak | -2.61% | -0.26% | -2.35% |
Average DrawdownAverage peak-to-trough decline | -3.85% | -0.18% | -3.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.12% | — | — |
Volatility
JMBS vs. ASEC - Volatility Comparison
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Volatility by Period
| JMBS | ASEC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.21% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 3.48% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.30% | 1.83% | +2.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.54% | 1.83% | +4.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.50% | 1.83% | +3.67% |
JMBS vs. ASEC - Expense Ratio Comparison
JMBS has a 0.32% expense ratio, which is higher than ASEC's 0.29% expense ratio.
Dividends
JMBS vs. ASEC - Dividend Comparison
JMBS's dividend yield for the trailing twelve months is around 5.72%, more than ASEC's 0.45% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
ASEC American Century Securitized Credit ETF | 0.45% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
JMBS Janus Henderson Mortgage-Backed Securities ETF | 5.30% | 5.03% | 5.53% | 4.38% | 2.73% | 1.16% | 2.92% | 3.63% | 0.89% |
Frequently Asked Questions
JMBS and ASEC have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, ASEC is cheaper at 0.29% per year. The better choice depends on whether you care most about return, fees, risk, or income.
ASEC is cheaper with a 0.29% expense ratio, compared with 0.32% for JMBS.
JMBS has the higher dividend yield at 5.30%, compared with 0.45% for ASEC.
They also come from different issuers: Janus Henderson and American Century. Their fees differ too: 0.32% for JMBS and 0.29% for ASEC.
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