- ISIN
- US33939L7799
- CUSIP
- 33939L779
- Issuer
- Northern Trust
- Inception Date
- Sep 4, 2014
- Region
- North America (U.S.)
- Category
- Mortgage Backed Securities
- Leveraged
- 1x (No leverage)
- Index Tracked
- ICE BofA Constrained Duration US Mortgage Backed Securities
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $95M
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
MBSD Performance Chart
FlexShares Disciplined Duration MBS Index Fund (MBSD) is up 0.5% since the beginning of the year. MBSD is currently trading at $21 per share. Investors who bought $1,000 worth of MBSD shares 5 years ago would now be looking at an investment worth $1,036.
Loading charts...
Returns By Period
FlexShares Disciplined Duration MBS Index Fund (MBSD) has returned 0.51% so far this year and 4.60% over the past 12 months. Over the last ten years, MBSD has returned 1.37% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
FlexShares Disciplined Duration MBS Index Fund
- 1D
- -0.21%
- 1M
- 0.36%
- YTD
- 0.51%
- 6M
- 0.48%
- 1Y
- 4.60%
- 3Y*
- 4.23%
- 5Y*
- 0.71%
- 10Y*
- 1.37%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
MBSD Monthly Returns History
Based on dividend-adjusted daily data since Sep 4, 2014, MBSD's average daily return is +0.01%, while the average monthly return is +0.14%. At this rate, an investment would double in approximately 41.3 years.
Historically, 59% of months were positive and 41% were negative. The best month was Nov 2023 with a return of +3.2%, while the worst month was Sep 2022 at -3.8%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 6 months.
On a daily basis, MBSD closed higher 48% of trading days. The best single day was Nov 10, 2022 with a return of +1.9%, while the worst single day was Aug 25, 2015 at -1.6%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.43% | 1.20% | -1.34% | 0.25% | 0.18% | -0.20% | 0.51% | ||||||
| 2025 | 0.47% | 2.17% | 0.01% | 0.47% | -0.69% | 1.44% | -0.33% | 1.22% | 0.84% | 0.66% | 0.57% | 0.10% | 7.12% |
| 2024 | 0.19% | -1.13% | 0.61% | -1.76% | 1.54% | 0.71% | 2.26% | 1.17% | 0.86% | -2.00% | 0.99% | -1.06% | 2.30% |
| 2023 | 2.04% | -1.83% | 1.73% | 0.17% | -0.62% | -0.02% | -0.06% | -0.12% | -2.25% | -0.43% | 3.22% | 2.71% | 4.46% |
| 2022 | -1.18% | -1.14% | -2.34% | -2.63% | 0.70% | -0.93% | 1.83% | -2.20% | -3.76% | -0.66% | 3.04% | -0.45% | -9.49% |
| 2021 | -0.25% | 0.15% | -0.11% | -0.27% | -0.19% | -0.12% | 0.43% | -0.09% | -0.24% | 0.00% | -0.38% | -0.34% | -1.40% |
Benchmark Metrics
FlexShares Disciplined Duration MBS Index Fund has an annualized alpha of 1.57%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since September 04, 2014.
- This ETF participated in 9.39% of S&P 500 Index downside but only 8.76% of its upside - more exposed to losses than it benefited from rallies.
- Beta of 0.01 may look defensive, but with R2 of 0.00 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
- R2 of 0.00 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 1.57%
- Beta
- 0.01
- R²
- 0.00
- Upside Capture
- 8.76%
- Downside Capture
- 9.39%
Expense Ratio
MBSD has an expense ratio of 0.20%, which is considered low.
Return for Risk
Risk / Return Rank
MBSD ranks 40 for risk / return — below 40% of ETFs on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for FlexShares Disciplined Duration MBS Index Fund (MBSD) and compare them to S&P 500 Index.
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.
| MBSD | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.71 | ||
| Sortino ratioReturn per unit of downside risk | -0.81 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.37 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 2.12 | 2.78 | -0.66 |
| Martin ratioReturn relative to average drawdown | 6.39 | 12.44 | -6.05 |
Dividends
Dividend History
FlexShares Disciplined Duration MBS Index Fund provided a 4.19% dividend yield over the last twelve months, with an annual payout of $0.86 per share. The fund has been increasing its distributions for 4 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.86 | $0.88 | $0.79 | $0.70 | $0.62 | $0.56 | $0.67 | $0.80 | $0.74 | $0.78 | $0.73 | $0.86 |
Dividend yield | 4.19% | 4.23% | 3.91% | 3.39% | 3.03% | 2.41% | 2.78% | 3.42% | 3.22% | 3.30% | 3.02% | 3.46% |
Monthly Dividends
The table displays the monthly dividend distributions for FlexShares Disciplined Duration MBS Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.30 | ||||||
| 2025 | $0.00 | $0.06 | $0.06 | $0.06 | $0.07 | $0.06 | $0.06 | $0.07 | $0.07 | $0.07 | $0.07 | $0.23 | $0.88 |
| 2024 | $0.00 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.19 | $0.79 |
| 2023 | $0.00 | $0.05 | $0.05 | $0.06 | $0.06 | $0.06 | $0.05 | $0.06 | $0.06 | $0.06 | $0.05 | $0.15 | $0.70 |
| 2022 | $0.00 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.11 | $0.62 |
| 2021 | $0.00 | $0.07 | $0.06 | $0.06 | $0.05 | $0.04 | $0.04 | $0.04 | $0.04 | $0.04 | $0.04 | $0.08 | $0.56 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
Loading charts...
Worst Drawdowns
The table below displays the maximum drawdowns of the FlexShares Disciplined Duration MBS Index Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the FlexShares Disciplined Duration MBS Index Fund was 14.36%, occurring on Oct 20, 2022. Recovery took 719 trading sessions.
The current FlexShares Disciplined Duration MBS Index Fund drawdown is 1.11%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -14.36%Oct 2022 | 1y 8mo | 2y 10mo | 4y 7moFeb 2021 - Sep 2025 |
2016 pullback2016 | -3.08%Dec 2016 | 1mo 12d | 2y 2mo | 2y 3moNov 2016 - Feb 2019 |
COVID crash2020 | -2.98%Mar 2020 | 9d | 1mo 6d | 1mo 15dMar 2020 - Apr 2020 |
2026 pullback2026 | -2.17%Mar 2026 | 24d | — | 3mo 23dMar 2026 - now |
2016 pullback2016 | -2.10%Mar 2016 | 2mo 3d | 3mo 13d | 5mo 16dJan 2016 - Jul 2016 |
Drawdown Indicators
| MBSD | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.36% | -56.78% | +42.42% |
Max Drawdown (1Y)Largest decline over 1 year | -2.17% | -9.10% | +6.93% |
Max Drawdown (3Y)Largest decline over 3 years | -4.68% | -18.90% | +14.22% |
Max Drawdown (5Y)Largest decline over 5 years | -14.10% | -25.43% | +11.33% |
Max Drawdown (10Y)Largest decline over 10 years | -14.36% | -33.92% | +19.56% |
Current DrawdownCurrent decline from peak | -1.11% | -1.80% | +0.69% |
Average DrawdownAverage peak-to-trough decline | -2.81% | -10.71% | +7.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.72% | 2.03% | -1.31% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with MBSD
Add FlexShares Disciplined Duration MBS Index Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with MBSD