OCTB - ETF Series Solutions - Aptus October Buffer ETF
OCTB seeks to provide defined returns linked to the performance of the SPDR S&P 500 ETF Trust (SPY) over a one-year outcome period from October 1 to September 30. The fund is designed to match the share price gains of the underlying ETF up to a predetermined upside cap while aiming to buffer investors against the first 15% of losses, before fees and expenses. Its structured outcome strategy is implemented through exchange-traded FLEX Options, which sets the cap and buffer levels based on market conditions at the start of each outcome period.
- Sector
- Financial Services
- Industry
- Asset Management
- Market Cap
- $46.5M
- Beta
- 0.49
- 52-Week Range
- 24.6-28.57
- IPO Date
- Oct 14, 2025
- Exchange
- CBOE
OCTB Options Snapshot
Options pricing data for OCTB is refreshed daily after the close. When listed contracts exist, this page surfaces the latest at-the-money implied volatility, max pain strike, dealer gamma exposure (GEX), and 25-delta skew. Listed contracts and live snapshots appear once the options chain has been published by the exchange for the most recent session.
What This Page Covers
The OCTB 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.
OCTB fund facts: expense ratio 0.25%, assets under management $47.0M, NAV $28.48 as of the data source's update on Oct 8, 2026, launched Oct 13, 2025, issued by Aptus. See the OCTB holdings.
Frequently asked OCTB overview questions
- What is OCTB?
- OCTB is the ticker symbol for ETF Series Solutions - Aptus October Buffer ETF, an listed exchange-traded fund. OCTB seeks to provide defined returns linked to the performance of the SPDR S&P 500 ETF Trust (SPY) over a one-year outcome period from October 1 to September 30. The fund is designed to match the share price gains of the underlying ETF up to a predetermined upside cap while aiming to buffer investors against the first 15% of losses, before fees and expenses. Listed on CBOE. OCTB 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 are OCTB's key statistics?
- ETF Series Solutions - Aptus October Buffer ETF (OCTB) carries a market capitalization of $46.5M, 52-week range of 24.6-28.57. 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 OCTB belong to?
- ETF Series Solutions - Aptus October Buffer ETF operates in the Financial Services sector, in the Asset Management 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 OCTB'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 OCTB data on this page?
- Options snapshots refresh after each trading session; if no snapshot is currently posted for OCTB, it usually reflects low options liquidity or a recently listed name. 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.