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SPMB Stock Summary and Trading Ideas (State Street SPDR Portfolio Mortgage Backed Bond ETF | ARCA:SPMB)

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Mortgage rates rise but remain at low levels

Seeking Alpha News (Thu, 29-Jan 12:28 PM ET)

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State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) Frequently Asked Questions

What does State Street SPDR Portfolio Mortgage Backed Bond ETF do?

The SPDR Portfolio Mortgage Backed Bond ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U.S. MBS Index (the "Index"). The Bloomberg U.S. MBS Index (the "MBS Index") measures the performance of the U.S. agency mortgage pass-through segment of the U.S. investment grade bond market. The term "U.S. agency mortgage pass-through security" refers to a category of pass-through securities backed by pools of mortgages and issued by one of the following U.S. government-sponsored enterprises: Government National Mortgage Association ("GNMA"); Federal National Mortgage Association ("FNMA") and Federal Home Loan Mortgage Corporation ("FHLMC").

What symbol and exchange does State Street SPDR Portfolio Mortgage Backed Bond ETF shares trade?

State Street SPDR Portfolio Mortgage Backed Bond ETF trades on the ARCA stock market under the symbol SPMB.

What is State Street SPDR Portfolio Mortgage Backed Bond ETF stock price doing today?

As of January 30, 2026, SPMB stock price declined to $22.55 with 706,016 million shares trading.

What is State Street SPDR Portfolio Mortgage Backed Bond ETF's Beta?

SPMB has a beta of -0.09, meaning it tends to be less sensitive to market movements. SPMB has a correlation of 0.09 to the broad based SPY ETF.

How much is State Street SPDR Portfolio Mortgage Backed Bond ETF worth?

SPMB has a market cap of $6.75 billion. This is considered a Mid Cap stock.

What is the highest and lowest price State Street SPDR Portfolio Mortgage Backed Bond ETF traded in the last 3 year period?

In the last 3 years, SPMB traded as high as $22.76 and as low as $20.00.

Is State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) a good investment?

SPMB has underperformed the market in the last year with a return of +8.2%, while SPY returned +16.1%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in SPMB shares. However, SPMB has outperformed the market in the last 3 month and 2 week periods, returning +1.2% and 0.0%, while SPY returned +0.9% and -0.1%, respectively. This indicates SPMB has been having a stronger performance recently.

What are the support and resistance levels for State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB)?

SPMB support price is $22.51 and resistance is $22.63 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that SPMB shares will trade within this expected range on the day.

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