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ISIN
US78464A3831
CUSIP
78464A383
Inception Date
Jan 15, 2009
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
Bloomberg US Aggregate Securitized - MBS
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$7B

Share Price Chart


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Performance

SPMB Performance Chart

SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is up 0.8% since the beginning of the year. SPMB is currently trading at $22 per share. Investors who bought $1,000 worth of SPMB shares 5 years ago would now be looking at an investment worth $1,020.


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S&P 500 Index

Returns By Period

SPDR Portfolio Mortgage Backed Bond ETF (SPMB) has returned 0.76% so far this year and 5.97% over the past 12 months. Over the last ten years, SPMB has returned 1.28% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


SPDR Portfolio Mortgage Backed Bond ETF

1D
-0.25%
1M
0.65%
YTD
0.76%
6M
0.83%
1Y
5.97%
3Y*
4.27%
5Y*
0.40%
10Y*
1.28%

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%
*Multi-year figures are annualized to reflect compound growth (CAGR)

SPMB Monthly Returns History

Based on dividend-adjusted daily data since Jan 30, 2009, SPMB's average daily return is +0.01%, while the average monthly return is +0.20%. At this rate, an investment would double in approximately 28.9 years.

Historically, 63% of months were positive and 37% were negative. The best month was Nov 2023 with a return of +5.2%, while the worst month was Sep 2022 at -5.2%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 6 months.

On a daily basis, SPMB closed higher 48% of trading days. The best single day was Mar 13, 2020 with a return of +12.7%, while the worst single day was Mar 12, 2020 at -11.7%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.38%1.75%-1.58%0.05%0.31%-0.11%0.76%
20250.37%2.67%-0.11%0.26%-0.92%1.83%-0.46%1.69%1.26%0.80%0.57%0.08%8.29%
2024-0.23%-1.81%1.05%-3.03%2.02%1.29%2.58%1.70%1.01%-2.78%1.40%-1.64%1.35%
20233.46%-2.74%2.11%0.53%-0.73%-0.24%-0.28%-0.88%-3.17%-2.17%5.24%4.25%5.09%
2022-1.54%-1.00%-2.74%-3.54%0.98%-1.40%3.17%-3.40%-5.16%-1.25%4.15%-0.64%-12.05%
20210.15%-0.92%-0.66%0.61%-0.29%0.06%0.52%-0.11%-0.34%-0.53%0.13%-0.10%-1.46%

Benchmark Metrics

SPDR Portfolio Mortgage Backed Bond ETF has an annualized alpha of 1.75%, beta of 0.05, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since January 30, 2009.

  • This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (9.16%) than losses (6.17%) - typical of diversified or defensive assets.
  • Beta of 0.05 may look defensive, but with R2 of 0.02 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 0.02 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
1.75%
Beta
0.05
0.02
Upside Capture
9.16%
Downside Capture
6.17%

Expense Ratio

SPMB has an expense ratio of 0.04%, which is considered low.


Return for Risk

Risk / Return Rank

SPMB ranks 42 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


SPMB Risk / Return Rank: 4242
Overall Rank
SPMB Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
SPMB Sortino Ratio Rank: 4343
Sortino Ratio Rank
SPMB Omega Ratio Rank: 4040
Omega Ratio Rank
SPMB Calmar Ratio Rank: 4343
Calmar Ratio Rank
SPMB Martin Ratio Rank: 4141
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for SPDR Portfolio Mortgage Backed Bond ETF (SPMB) 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.


SPMBBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.61

Sortino ratioReturn per unit of downside risk

-0.62

Omega ratioGain probability vs. loss probability

1.26

1.37

-0.11

Calmar ratioReturn relative to maximum drawdown

2.08

2.78

-0.71

Martin ratioReturn relative to average drawdown

6.45

12.44

-5.99

Dividends

Dividend History

SPDR Portfolio Mortgage Backed Bond ETF provided a 4.08% dividend yield over the last twelve months, with an annual payout of $0.91 per share. The fund has been increasing its distributions for 3 consecutive years.


2.50%3.00%3.50%4.00%$0.00$0.20$0.40$0.60$0.8020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.91$0.89$0.81$0.71$0.65$0.66$0.78$0.85$0.85$0.82$0.79$0.82

Dividend yield

4.08%3.98%3.76%3.21%2.98%2.59%2.95%3.24%3.36%3.13%2.99%3.05%

Monthly Dividends

The table displays the monthly dividend distributions for SPDR Portfolio Mortgage Backed Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.07$0.07$0.07$0.07$0.07$0.35
2025$0.00$0.07$0.07$0.07$0.07$0.07$0.07$0.07$0.07$0.07$0.07$0.21$0.89
2024$0.00$0.06$0.06$0.06$0.06$0.06$0.06$0.06$0.07$0.07$0.07$0.17$0.81
2023$0.00$0.06$0.06$0.06$0.06$0.06$0.06$0.06$0.06$0.06$0.06$0.12$0.71
2022$0.00$0.05$0.05$0.05$0.06$0.06$0.05$0.05$0.05$0.05$0.05$0.11$0.65
2021$0.00$0.06$0.06$0.06$0.06$0.06$0.05$0.05$0.05$0.05$0.05$0.11$0.66

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.


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Worst Drawdowns

The table below displays the maximum drawdowns of the SPDR Portfolio Mortgage Backed Bond ETF. 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 SPDR Portfolio Mortgage Backed Bond ETF was 18.03%, occurring on Oct 19, 2023. Recovery took 557 trading sessions.

The current SPDR Portfolio Mortgage Backed Bond ETF drawdown is 1.34%.


Related event

Drawdown

Fall

Recovery

Underwater

2023 correction2023
-18.03%Oct 2023
2y 8mo2y 2mo
4y 11moFeb 2021 - Jan 2026
COVID crash2020
-12.60%Mar 2020
3d18d
21dMar 2020 - Mar 2020
2010 pullback2010
-5.04%Jan 2010
1mo 29d5mo 11d
7mo 10dNov 2009 - Jun 2010
Financial crisis2007–2009
-4.95%Sep 2009
8d1mo 14d
1mo 22dSep 2009 - Nov 2009
2013 pullback2013
-4.53%Sep 2013
11mo 13d7mo 28d
1y 7moSep 2012 - May 2014

Drawdown Indicators


SPMBBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-18.03%

-56.78%

+38.75%

Max Drawdown (1Y)

Largest decline over 1 year

-2.89%

-9.10%

+6.21%

Max Drawdown (3Y)

Largest decline over 3 years

-7.66%

-18.90%

+11.24%

Max Drawdown (5Y)

Largest decline over 5 years

-17.49%

-25.43%

+7.94%

Max Drawdown (10Y)

Largest decline over 10 years

-18.03%

-33.92%

+15.89%

Current Drawdown

Current decline from peak

-1.34%

-1.80%

+0.46%

Average Drawdown

Average peak-to-trough decline

-2.85%

-10.71%

+7.86%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.93%

2.03%

-1.10%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with SPMB

Add SPDR Portfolio Mortgage Backed Bond ETF to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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