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SPDR® Portfolio Aggregate Bond ETF (SPAB)



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Upturn Advisory Summary
08/29/2025: SPAB (2-star) has a low Upturn Star Rating. Not recommended to BUY.
Analysis of Past Performance
Type ETF | Historic Profit 4.94% | Avg. Invested days 43 | Today’s Advisory Consider higher Upturn Star rating |
Upturn Star Rating ![]() ![]() | Upturn Advisory Performance ![]() | ETF Returns Performance ![]() |
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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) seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U.S. Aggregate Bond Index. It offers broad exposure to the U.S. investment-grade bond market.
Reputation and Reliability
State Street Global Advisors (SSGA) is a large and reputable asset manager with a long track record in the ETF industry.
Management Expertise
SSGA has extensive experience managing fixed-income ETFs and employs a team of experienced portfolio managers.
Investment Objective
Goal
To track the performance of the Bloomberg U.S. Aggregate Bond Index.
Investment Approach and Strategy
Strategy: Tracks a specific index (Bloomberg U.S. Aggregate Bond Index).
Composition Primarily holds U.S. investment-grade bonds, including government, corporate, and mortgage-backed securities.
Market Position
Market Share: SPAB holds a notable market share in the aggregate bond ETF category.
Total Net Assets (AUM): 2294000000
Competitors
Key Competitors
- AGG
- BND
- SCHZ
Competitive Landscape
The aggregate bond ETF market is competitive, with several large players. SPAB's expense ratio is a key differentiator; however, it has a smaller AUM than AGG and BND. AGG and BND have larger AUMs, which may result in higher liquidity, while SPAB's lower expense ratio may be attractive to cost-conscious investors. The competitive landscape depends on factors like expense ratio, AUM, tracking error and trading volume.
Financial Performance
Historical Performance: Historical performance data is not available for a specific period.
Benchmark Comparison: The ETF's performance should closely track the Bloomberg U.S. Aggregate Bond Index. Tracking error is expected to be low.
Expense Ratio: 0.03
Liquidity
Average Trading Volume
The ETF's average trading volume indicates good liquidity, facilitating easy buying and selling of shares.
Bid-Ask Spread
The bid-ask spread is typically tight, reflecting strong liquidity and minimizing trading costs.
Market Dynamics
Market Environment Factors
Interest rate changes, inflation expectations, and economic growth influence the performance of SPAB. Monetary policy also affects returns.
Growth Trajectory
Growth is tied to the overall bond market and investor demand for fixed-income exposure. Fluctuations in interest rates and credit spreads affect the trajectory.
Moat and Competitive Advantages
Competitive Edge
SPAB's primary advantage is its very low expense ratio compared to competitors, making it an attractive option for cost-conscious investors seeking broad exposure to the U.S. aggregate bond market. Its association with State Street Global Advisors also offers credibility. It offers a low-cost way to get exposure to the U.S. investment grade bond market. However, smaller AUM compared to its competitors is a disadvantage to its position.
Risk Analysis
Volatility
SPAB's volatility is generally low, as it invests in investment-grade bonds. Interest rate risk (duration) is a primary factor.
Market Risk
Interest rate risk (the risk that bond prices will decline as interest rates rise) and credit risk (the risk that issuers will default on their debt obligations) are the primary risks.
Investor Profile
Ideal Investor Profile
Ideal for investors seeking broad, low-cost exposure to the U.S. investment-grade bond market as part of a diversified portfolio.
Market Risk
Suitable for long-term investors seeking passive index exposure and income, not active traders seeking short-term gains.
Summary
SPAB is a low-cost ETF providing broad exposure to the U.S. investment-grade bond market by tracking the Bloomberg U.S. Aggregate Bond Index. It is suitable for long-term investors seeking passive fixed-income exposure with a low expense ratio. Interest rate risk and credit risk are the primary risks. Compared to its competitors, it offers one of the lowest expense ratios. However, its AUM is smaller than its two major competitors.
Peer Comparison
Sources and Disclaimers
Data Sources:
- State Street Global Advisors (SSGA) Website
- Bloomberg
- Morningstar
- ETF.com
Disclaimers:
The data and analysis provided are for informational purposes only and should not be considered investment advice. Market conditions can change rapidly and affect the performance of ETFs. Consult with a qualified financial advisor before making any investment decisions.
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.

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