- Chart
- Upturn Summary
- Highlights
- About
SPDR® Portfolio Aggregate Bond ETF (SPAB)

- BUY Advisory
- SELL Advisory (Profit)
- SELL Advisory (Loss)
- Profit
- Loss
- Pass (Skip investing)
Stock price based on last close (see disclosures)
- ALL
- 1Y
- 1M
- 1W
Upturn Advisory Summary
01/08/2026: SPAB (2-star) has a low Upturn Star Rating. Not recommended to BUY.
Analysis of Past Performance
Type ETF | Historic Profit 7.15% | Avg. Invested days 55 | Today’s Advisory Consider higher Upturn Star rating |
Upturn Star Rating ![]() | Upturn Advisory Performance | ETF Returns Performance |
Key Highlights
Volume (30-day avg) - | Beta 1 | 52 Weeks Range 24.03 - 25.74 | Updated Date 06/29/2025 |
52 Weeks Range 24.03 - 25.74 | Updated Date 06/29/2025 |
Upturn AI SWOT
SPDR® Portfolio Aggregate Bond ETF
ETF Overview
Overview
The SPDRu00ae Portfolio Aggregate Bond ETF (SPAB) aims to provide investors with broad exposure to the U.S. investment-grade bond market. It tracks the performance of the Bloomberg U.S. Aggregate Bond Index, covering a wide range of U.S. government, corporate, mortgage-backed, and asset-backed securities.
Reputation and Reliability
State Street Global Advisors (SSGA) is a leading global asset manager with a strong reputation for providing low-cost index-tracking ETFs. They are known for their extensive product offerings and reliable fund management.
Management Expertise
SSGA utilizes a passive management approach, aiming to replicate the performance of its underlying index rather than active stock picking. Their expertise lies in efficient index replication and managing large asset pools.
Investment Objective
Goal
To track the performance of the Bloomberg U.S. Aggregate Bond Index.
Investment Approach and Strategy
Strategy: SPAB is an index-tracking ETF that aims to replicate the holdings and performance of the Bloomberg U.S. Aggregate Bond Index.
Composition The ETF holds a diversified portfolio of U.S. investment-grade bonds, including U.S. Treasury bonds, corporate bonds, mortgage-backed securities, and asset-backed securities.
Market Position
Market Share: As a large-cap broad market bond ETF, SPAB holds a significant market share. Specific percentage varies and requires real-time data access.
Total Net Assets (AUM): 62000000000
Competitors
Key Competitors
- iShares Core U.S. Aggregate Bond ETF (AGG)
- Vanguard Total Bond Market ETF (BND)
- Schwab U.S. Aggregate Bond ETF (SCHZ)
Competitive Landscape
The broad U.S. aggregate bond ETF market is highly competitive, dominated by large asset managers offering low-cost index funds. SPAB's advantage lies in its low expense ratio and broad market coverage. However, competitors like AGG and BND have larger AUM and potentially greater liquidity. The landscape is characterized by intense price competition and a focus on tracking accuracy.
Financial Performance
Historical Performance: SPAB's historical performance closely mirrors the Bloomberg U.S. Aggregate Bond Index. Specific numerical data for different periods (e.g., 1-year, 3-year, 5-year, 10-year returns) would typically be available from financial data providers and presented in arrays for plotting.
Benchmark Comparison: SPAB's performance is designed to match its benchmark, the Bloomberg U.S. Aggregate Bond Index. Any deviations would be due to tracking error, which is generally minimal for such broad index ETFs.
Expense Ratio: 0.04
Liquidity
Average Trading Volume
The ETF exhibits strong average trading volume, indicating good liquidity for investors.
Bid-Ask Spread
The bid-ask spread for SPAB is typically narrow, reflecting its high liquidity and efficient market trading.
Market Dynamics
Market Environment Factors
SPAB is influenced by macroeconomic factors such as interest rate changes (Federal Reserve policy), inflation expectations, and overall economic growth. Changes in these factors directly impact bond prices and yields.
Growth Trajectory
As a passive ETF tracking a major bond index, SPAB's growth trajectory is tied to investor demand for broad fixed-income exposure. Its strategy and holdings remain consistent with its index unless the index itself is revised.
Moat and Competitive Advantages
Competitive Edge
SPAB's primary competitive advantage is its exceptionally low expense ratio, making it a cost-effective choice for investors seeking broad U.S. investment-grade bond exposure. Its affiliation with State Street Global Advisors provides a layer of trust and reliability. The ETF's comprehensive coverage of the bond market ensures diversification within its asset class.
Risk Analysis
Volatility
SPAB's volatility is generally lower than equity ETFs but is subject to interest rate risk, meaning bond prices fall when interest rates rise. Credit risk and inflation risk also contribute to its volatility.
Market Risk
The primary market risk for SPAB is interest rate risk, as rising rates decrease the value of existing bonds. It also faces credit risk from corporate bond holdings and inflation risk, which erodes the purchasing power of bond returns.
Investor Profile
Ideal Investor Profile
The ideal investor for SPAB is one seeking diversification in their portfolio, capital preservation, and a stable income stream. It's suitable for those looking for broad exposure to the U.S. investment-grade bond market.
Market Risk
SPAB is best suited for passive index followers and long-term investors who prioritize low costs and broad diversification within the fixed-income space.
Summary
The SPDRu00ae Portfolio Aggregate Bond ETF (SPAB) is a low-cost ETF designed to replicate the Bloomberg U.S. Aggregate Bond Index, offering broad exposure to investment-grade U.S. bonds. With its low expense ratio and passive strategy, it's ideal for long-term investors seeking diversification and income. Its primary risks include interest rate and credit risk, but it remains a staple for many portfolios due to its comprehensive market coverage.
Similar ETFs
Sources and Disclaimers
Data Sources:
- State Street Global Advisors (SSGA) official website
- Financial data provider websites (e.g., Morningstar, Yahoo Finance)
Disclaimers:
This information is for informational purposes only and should not be considered investment advice. ETF performance data and market share can fluctuate and should be verified with real-time sources.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About SPDR® Portfolio Aggregate Bond ETF
Exchange NYSE ARCA | Headquaters - | ||
IPO Launch date - | CEO - | ||
Sector - | Industry - | Full time employees - | Website |
Full time employees - | Website | ||
The fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index and in securities that the Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. The index is designed to measure the performance of the U.S. dollar denominated investment grade bond market.

Note: This website is maintained by Upturn Corporation, which is an investment adviser registered with the U.S. Securities and Exchange Commission. Such registration does not imply a certain level of skill or training. Investing in securities has risks. Past performance is no guarantee of future returns. No assurance is provided as to any particular investment return, and you may lose money using our services. You are strongly advised to consult appropriate counsel before making any investments in companies you learn about through our services. You should obtain appropriate legal, tax, investment, accounting, and other advice that takes into account your investment portfolio and overall financial situation. You are solely responsible for conducting due diligence on a potential investment. We do not affect trades for you. You will select your own broker through which to transact. Investments are not FDIC insured, they are not guaranteed, and they may lose value. Please see the Privacy Policy, Terms of Use, and Disclosure for more information.
Home 

