What does the SMMT options chain show right now?

As of May 15, 2026, Summit Therapeutics Inc. (SMMT) has 168.9K contracts outstanding and 7.9K traded today, with ATM IV of 155.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for SMMT 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 SMMT options bid/ask spreads?

Average bid/ask spread across the chain is 50.45%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.

Summit Therapeutics Inc. (SMMT) 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.

Summit Therapeutics Inc. (SMMT) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $14.57B, listed on NASDAQ, employing roughly 159 people, carrying a beta of -1.25 to the broader market. Summit Therapeutics Inc. Led by Robert W. Duggan, public since 2015-03-05.

Snapshot as of May 15, 2026.

Spot Price: $16.87
Total OI: 168.9K
Total Volume: 7.9K
Front Expiration: 28 days
Second Expiration: 34 days
ATM IV: 155.3%
Avg Bid/Ask Spread: 50.45%

As of May 15, 2026, Summit Therapeutics Inc. (SMMT) has 168.9K open contracts and 7.9K contracts traded. The nearest expiration is 28 days out, followed by 34 days. ATM implied volatility is 155.3%. Average bid/ask spread across the chain is 50.45%: 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 SMMT options chain Data Feeds Strategy Selection

Strategy selection on Summit Therapeutics Inc. 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 155.3% 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 SMMT options chain questions

What does the SMMT options chain show right now?: As of May 15, 2026, Summit Therapeutics Inc. (SMMT) has 168.9K contracts outstanding and 7.9K traded today, with ATM IV of 155.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
What expirations are available for SMMT 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 SMMT options bid/ask spreads?: Average bid/ask spread across the chain is 50.45%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.