SPBO - State Street SPDR Portfolio Corporate Bond ETF

The State Street SPDR Portfolio Corporate Bond ETF (SPBO) aims to mirror the investment performance, encompassing both price appreciation and income generation, of the Bloomberg U. S. Corporate Bond Index, prior to accounting for fees and expenses.

As of Jun 30, 2026: spot at $29.07, ATM IV 40.2%, net GEX -$483.

Sector
Financial Services
Industry
Asset Management - Bonds
Market Cap
$1.97B
Beta
1.10
52-Week Range
28.57-29.93
Dividend Yield
$1.48
IPO Date
Apr 7, 2011
Exchange
AMEX

What SPBO Looks Like to Options Traders Today

IV rank of 46.1% sits near the 1-year median, where strategy choice depends on directional conviction and the event calendar rather than vol regime alone; negative net gamma exposure (-$483) means dealers hedge with trend, amplifying realized volatility and accelerating directional moves; the 25-delta skew (0.010) is roughly flat across the wings.

What This Page Covers

The SPBO overview links into per-metric analysis views: max pain, gamma exposure, volatility skew, expected move, options chain, open interest history, and aggregate Greeks. Microstructure data is available on short interest, short volume, fail-to-deliver, and market structure.

Frequently asked SPBO overview questions

What is SPBO?
SPBO is the ticker symbol for State Street SPDR Portfolio Corporate Bond ETF, an listed exchange-traded fund. The State Street SPDR Portfolio Corporate Bond ETF (SPBO) aims to mirror the investment performance, encompassing both price appreciation and income generation, of the Bloomberg U. S. Listed on AMEX. SPBO is the ETF ticker shown on this page; ETF traders use the fund for diversified exposure to its underlying basket, for sector and factor rotation, and for hedging or replication strategies via the listed options chain.
What does the SPBO options snapshot look like today?
As of Jun 30, 2026, the SPBO options snapshot shows spot at $29.07, ATM IV 40.2%, IV rank 46.1%, net GEX -$483, expected move 11.53%. The full options chain, Greeks by strike and expiration, per-strike open-interest distribution, dealer gamma and delta exposure, and the volatility skew surface are linked from this overview page. Each per-metric route refreshes once per trading session and reflects the most recent close-of-business listed-options state.
What are SPBO's key statistics?
State Street SPDR Portfolio Corporate Bond ETF (SPBO) carries a market capitalization of $1.97B, 52-week range of 28.57-29.93. Full holdings disclosure, expense ratio, and tracking-error history live on the per-ticker fundamentals page or the sponsor's site; daily NAV and premium/discount-to-NAV are accessible from the same view. These structural inputs frame how the ETF options market prices implied volatility relative to its constituents.
What sector or industry does SPBO belong to?
State Street SPDR Portfolio Corporate Bond ETF operates in the Financial Services sector, in the Asset Management - Bonds industry. Sector classification affects how the ticker correlates with sector ETFs, how it reacts to macro factors like rate moves and commodity prices, and how its options pricing compares to sector peers. Compare SPBO's implied volatility and skew against sector benchmarks to gauge whether the options market is pricing single-name or systemic risk relative to the broader peer group.
How current is the SPBO data on this page?
The options snapshot above is dated Jun 30, 2026 and refreshes once per session, with all per-strike Greeks and exposure aggregates recomputed at the daily close. Fund-level fields (sponsor, expense ratio, holdings concentration where available) refresh from the vendor feed nightly. ETF-specific filings (N-CSR, N-PX, N-CEN) update on the SEC EDGAR cadence. FINRA microstructure data refreshes on the source's cadence; for ETFs the off-exchange volume signal is dominated by authorized-participant creation and redemption rather than directional flow.