What does the XBI options chain show right now?

As of May 15, 2026, State Street SPDR S&P Biotech ETF (XBI) has 622.4K contracts outstanding and 20.3K traded today, with ATM IV of 29.5%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for XBI options?

The nearest expiration is 28 days out, followed by 34 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.

How tight are XBI options bid/ask spreads?

Average bid/ask spread across the chain is 26.57%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.

State Street SPDR S&P Biotech ETF (XBI) Options Chain

The options chain displays all available contracts with real-time quotes, Greeks, volume, and open interest for each strike and expiration. It is the primary tool for options trade selection.

State Street SPDR S&P Biotech ETF (XBI) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $8.35B, listed on AMEX, carrying a beta of 1.09 to the broader market. The State Street SPDR S&P Biotech ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P Biotechnology Select Industry Index (the "Index")Seeks to provide exposure to the Biotechnology segment of the S&P TMI, which comprises the following sub-industries: BiotechnologySeeks to track a modified equal weighted index which provides the potential for unconcentrated industry exposure across large, mid and small cap stocksAllows investors to take strategic or tactical positions at a more targeted level than traditional sector based investing public since 2006-02-06.

Snapshot as of May 15, 2026.

Spot Price: $130.88
Total OI: 622.4K
Total Volume: 20.3K
Front Expiration: 28 days
Second Expiration: 34 days
ATM IV: 29.5%
Avg Bid/Ask Spread: 26.57%

As of May 15, 2026, State Street SPDR S&P Biotech ETF (XBI) has 622.4K open contracts and 20.3K contracts traded. The nearest expiration is 28 days out, followed by 34 days. ATM implied volatility is 29.5%. Average bid/ask spread across the chain is 26.57%: wider spreads, size positions conservatively. The options chain aggregates every listed strike and expiration, letting traders evaluate skew, term structure, and liquidity in a single view.

How XBI options chain Data Feeds Strategy Selection

Strategy selection on State Street SPDR S&P Biotech ETF options does not derive from any single metric in isolation. The options chain view above sits inside a broader read: ATM IV currently sits at 29.5% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the options chain data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how the options chain is reported and how to read the data →

Frequently asked XBI options chain questions

What does the XBI options chain show right now?: As of May 15, 2026, State Street SPDR S&P Biotech ETF (XBI) has 622.4K contracts outstanding and 20.3K traded today, with ATM IV of 29.5%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
What expirations are available for XBI options?: The nearest expiration is 28 days out, followed by 34 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.
How tight are XBI options bid/ask spreads?: Average bid/ask spread across the chain is 26.57%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.