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State Street SPDR Portfolio Corporate Bond ETF (SPBO) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$28.01 -$0.19 (-0.67%)
Vol: 434.9K|

Beta 1.10: the stock has moved about 10% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 17, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

State Street SPDR Portfolio Corporate Bond ETF (SPBO) trades at $28.01. The State Street SPDR Portfolio Corporate Bond ETF (SPBO) aims to replicate the Bloomberg U.S. Corporate Bond Index's performance. Sector: Financial services.

Price as of Sep 11, 2026 · Last analyzed: Mar 17, 2026
The State Street SPDR Portfolio Corporate Bond ETF (SPBO) aims to replicate the Bloomberg U.S. Corporate Bond Index's performance. It offers investors a low-cost way to access a diversified portfolio of U.S. corporate bonds.

Analyst Coverage for SPBO: SPBO does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates SPBO against Financial Services peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the SPBO film Every key number, told as a short cinematic story — just press play. ~2 min

State Street SPDR Portfolio Corporate Bond ETF (SPBO) Financial Services Profile

HeadquartersBoston, US
IPO Year2011

State Street SPDR Portfolio Corporate Bond ETF (SPBO) provides low-cost, diversified exposure to the U.S. corporate bond market, tracking the Bloomberg U.S. Corporate Bond Index. As part of the State Street SPDR Portfolio ETFs, it serves as a core building block for investors seeking broad asset class exposure within the financial services sector.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 17, 2026

What Is the Investment Thesis for SPBO?

AI-written as of Mar 17, 2026 — figures and tone reflect the data available then, not today's score.

With a beta of 1.10, SPBO exhibits market sensitivity. The ETF's primary value driver is its ability to replicate the performance of the Bloomberg U.S. Corporate Bond Index, providing investors with a benchmarked return. Growth catalysts include increased demand for fixed-income investments and the continued expansion of the ETF market. However, potential risks include interest rate fluctuations and credit spread widening, which could negatively impact the ETF's performance. Investors should carefully consider these factors when evaluating SPBO as part of their investment strategy.

Based on FMP financials and quantitative analysis

SPBO Key Highlights

AI-written as of Mar 17, 2026 — figures and tone reflect the data available then, not today's score.

SPBO's objective is to mirror the Bloomberg U.S. Corporate Bond Index, offering precise exposure to U.S. corporate bonds.

  • The ETF is part of State Street's low-cost core SPDR Portfolio ETFs, designed as building blocks for diversified portfolios.
  • SPBO includes securities with a minimum outstanding par amount of $300 million, ensuring a focus on relatively liquid bonds.
  • The fund is rebalanced monthly, on the last business day of the month, to maintain alignment with its target index.
  • SPBO's market cap is $1.87 billion, reflecting its significance in the corporate bond ETF market.

Who Are SPBO's Competitors?

SPBO is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
EPP iShares MSCI Pacific ex Japan ETF $56.22 -1.56% $2.01B
EWA iShares MSCI Australia ETF $29.08 -1.82% $1.42B
HEDJ WisdomTree Europe Hedged Equity Fund $56.04 -0.43% $1.81B
IDU iShares U.S. Utilities ETF $108.23 -0.93% $1.41B
IXC iShares Global Energy ETF $59.67 +0.10% $3.07B
BX Blackstone Inc. $129.75 +3.46% $157B 705-pillar
IVSXF Investor AB (publ) $42.20 0.00% $129B 599-signal
BAM Brookfield Asset Management $47.24 -1.01% $75.4B 575-pillar

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance This table mixes two scoring engines — compare a number only with others carrying the same tag.

What Are SPBO's Key Strengths?

Low expense ratio

  • Diversified exposure to U.S. corporate bonds
  • Transparent index-tracking methodology
  • High liquidity

What Are SPBO's Weaknesses?

Vulnerability to interest rate fluctuations

  • Exposure to credit risk
  • Limited potential for outperformance
  • Dependence on the performance of the Bloomberg U.S. Corporate Bond Index

What Could Drive SPBO Stock Higher?

Potential interest rate cuts by the Federal Reserve could boost bond prices.

  • Continued growth in the ETF market driving increased demand for SPBO.
  • Flight to quality during economic uncertainty benefiting corporate bond ETFs.

What Are the Key Risks for SPBO?

Rising interest rates could negatively impact bond prices.

  • Economic recession could lead to credit spread widening and defaults.
  • Changes in the Bloomberg U.S. Corporate Bond Index could affect SPBO's composition.
  • Competition from other low-cost ETFs could pressure SPBO's market share.

What Are the Growth Opportunities for SPBO?

  • Increased Demand for Fixed Income: As investors seek diversification and risk management in their portfolios, the demand for fixed-income investments like corporate bonds is expected to rise. SPBO, with its low-cost structure and broad market exposure, is well-positioned to capture a portion of this growing demand. The global fixed income market is estimated to be worth trillions of dollars, providing a substantial opportunity for growth. Timeline: Ongoing.
  • Expansion of the ETF Market: The ETF market continues to expand, driven by the benefits of diversification, liquidity, and low cost. SPBO, as a corporate bond ETF, can benefit from this overall growth trend. The global ETF market is projected to reach several trillion dollars in assets under management in the coming years. Timeline: Ongoing.
  • Rising Interest Rates: While rising interest rates can pose a risk to existing bond holdings, they can also create opportunities for new investments in corporate bonds with higher yields. SPBO can adjust its portfolio to take advantage of these higher-yielding opportunities. Timeline: Ongoing.
  • Flight to Quality: In times of economic uncertainty or market volatility, investors often seek the safety of corporate bonds, particularly those issued by investment-grade companies. SPBO, with its focus on the Bloomberg U.S. Corporate Bond Index, can serve as a safe haven for investors during such periods. Timeline: Ongoing.
  • Technological Advancements in Trading: Algorithmic trading and other technological advancements have made it easier and more efficient to trade ETFs like SPBO. This increased liquidity and efficiency can attract more investors to the fund. Timeline: Ongoing.

What Are SPBO's Competitive Advantages?

  • Low-Cost Structure: SPBO offers a low expense ratio, making it a noteworthy option for cost-conscious investors.
  • Index Tracking: The fund's objective to replicate the Bloomberg U.S. Corporate Bond Index provides a transparent and predictable investment strategy.
  • Diversification: SPBO provides exposure to a wide range of U.S. corporate bonds, reducing concentration risk.
  • Liquidity: As an ETF, SPBO offers high liquidity, allowing investors to easily buy and sell shares.

What Does SPBO Do?

The State Street SPDR Portfolio Corporate Bond ETF (SPBO) is designed to mirror the price and yield performance of the Bloomberg U.S. Corporate Bond Index, before accounting for fees and expenses. As one of State Street's low-cost core SPDR Portfolio ETFs, SPBO is structured as a foundational element for constructing diversified investment portfolios. The ETF focuses on providing broad exposure to core asset classes, specifically within the U.S. corporate bond market. The fund is rebalanced on the last business day of each month. SPBO offers investors a straightforward and cost-effective method to gain exposure to a wide array of U.S. corporate bonds, making it a potentially noteworthy option for those looking to incorporate fixed-income assets into their investment strategies. The ETF's underlying index includes securities with a minimum par amount outstanding of $300 million and at least one year remaining until final maturity, ensuring a focus on relatively liquid and established corporate bonds.

What Products and Services Does SPBO Offer?

  • Tracks the performance of the Bloomberg U.S. Corporate Bond Index.
  • Provides investors with exposure to a diversified portfolio of U.S. corporate bonds.
  • Offers a low-cost investment option for accessing the corporate bond market.
  • Rebalances its portfolio monthly to maintain alignment with the index.
  • Invests in corporate bonds with a minimum par amount outstanding of $300 million.
  • Offers a core building block for constructing diversified investment portfolios.

How Does SPBO Make Money?

  • SPBO generates revenue through management fees charged to investors.
  • The fund aims to replicate the performance of the Bloomberg U.S. Corporate Bond Index.
  • It provides a cost-effective way for investors to access a diversified portfolio of U.S. corporate bonds.

What Industry Does SPBO Operate In?

SPBO operates within the asset management industry, specifically in the exchange-traded fund (ETF) segment. The ETF market has experienced substantial growth in recent years, driven by increasing investor demand for low-cost, diversified investment products. SPBO competes with other corporate bond ETFs, as well as broader fixed-income funds. The competitive landscape is characterized by providers vying for market share through lower expense ratios and differentiated index tracking strategies. SPBO's focus on the Bloomberg U.S. Corporate Bond Index positions it as a core holding for investors seeking broad exposure to the U.S. corporate bond market.

Who Are SPBO's Key Customers?

  • Individual investors seeking fixed-income exposure.
  • Institutional investors looking for diversified bond portfolios.
  • Financial advisors building client portfolios.
  • Retirement funds and pension plans.
Model self-rating on this text: 81% (not a measure of the evidence) Updated: Mar 17, 2026

Research confidence

Low 20/100

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • Scoring coverage unknown
  • Price is current
  • No filing on record
  • No analyst coverage
  • This is an etf, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 19 snapshots

2026-08-23 44
2026-08-26 44
2026-08-29 44
2026-09-01 44
2026-09-04 44
2026-09-07 44
2026-09-10 44

What changed?

The score has stayed at 44.

Over the same 18 days the stock moved -0.7%.

SPBO Financials

Bull Case vs Bear Case

Bull Case

  • Low expense ratio
  • Diversified exposure to U.S. corporate bonds
  • Transparent index-tracking methodology
  • High liquidity

Bear Case

  • Vulnerability to interest rate fluctuations
  • Exposure to credit risk
  • Limited potential for outperformance
  • Dependence on the performance of the Bloomberg U.S. Corporate Bond Index

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

SPBO Latest News

SPBO Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for SPBO.

Price Targets

Wall Street price target analysis for SPBO.

SPBO MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for SPBO; grades run from A+ (80-100) to F (below 30).

Common Questions About SPBO (Financial Services)

Is SPBO a good stock?

Stock Expert AI does not rate SPBO buy, sell or hold. State Street SPDR Portfolio Corporate Bond ETF has no MoonshotScore yet; read the financial checkup, analyst consensus and risks directly. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.

What does State Street SPDR Portfolio Corporate Bond ETF do?

The State Street SPDR Portfolio Corporate Bond ETF (SPBO) aims to replicate the performance of the Bloomberg U.S. Corporate Bond Index, providing investors with a diversified portfolio of U.S. corporate bonds.

What are the main risks for SPBO?

The main risks for SPBO include interest rate risk, credit risk, and market risk. Rising interest rates could negatively impact bond prices, while an economic recession could lead to credit spread widening and defaults. Market risk refers to the overall volatility and uncertainty in the financial markets.

How is State Street SPDR Portfolio Corporate Bond ETF affected by interest rate changes?

As a corporate bond ETF, SPBO is sensitive to changes in interest rates. When interest rates rise, the value of existing bonds typically falls, as newly issued bonds offer higher yields.

What are the credit quality considerations for State Street SPDR Portfolio Corporate Bond ETF?

SPBO invests in a diversified portfolio of U.S. corporate bonds, which carry varying degrees of credit risk. Credit risk refers to the possibility that a bond issuer may default on its debt obligations.

What are the key factors to evaluate for SPBO?

Evaluate SPBO on fundamentals, analyst consensus, and risk factors. With a beta of 1.10, SPBO exhibits market sensitivity. Not financial advice.

How frequently does SPBO data refresh on this page?

SPBO's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven SPBO's recent stock price performance?

State Street SPDR Portfolio Corporate Bond ETF (SPBO) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Low expense ratio. See the News tab for the latest drivers. Past performance does not predict future results.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Financial data based on available information as of 2026-03-17.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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