What does the GKOS options chain show right now?

As of Jun 30, 2026, Glaukos Corporation (GKOS) has 3.0K contracts outstanding and 46 traded today, with ATM IV of 53.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for GKOS options?

The nearest expiration is 17 days out, followed by 52 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.

How tight are GKOS options bid/ask spreads?

Average bid/ask spread across the chain is 24.06%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.

Glaukos Corporation (GKOS) 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.

Glaukos Corporation (GKOS) operates in the Healthcare sector, specifically the Medical - Devices industry, with a market capitalization near $8.48B, listed on NYSE, employing roughly 995 people, carrying a beta of 0.81 to the broader market. Glaukos Corporation operates as an ophthalmic medical technology and pharmaceutical enterprise, primarily focused on pioneering novel therapies for glaucoma, corneal disorders, and retinal diseases. Led by Thomas William Burns, public since 2015-06-25.

Snapshot as of Jun 30, 2026.

Spot Price: $139.13
Total OI: 3.0K
Total Volume: 46
Front Expiration: 17 days
Second Expiration: 52 days
ATM IV: 53.3%
Avg Bid/Ask Spread: 24.06%

As of Jun 30, 2026, Glaukos Corporation (GKOS) has 3.0K open contracts and 46 contracts traded. The nearest expiration is 17 days out, followed by 52 days. ATM implied volatility is 53.3%. Average bid/ask spread across the chain is 24.06%: 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 GKOS options chain Data Feeds Strategy Selection

Strategy selection on Glaukos Corporation 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 53.3% 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.

How to read the GKOS chain depth

The listed-expirations table above shows every expiration available for Glaukos Corporation options with its days-to-expiration count and ATM implied volatility. Front-month expirations carry the most volume, the highest gamma, and the tightest bid-ask spreads; longer-dated tenors carry less liquidity but more vega exposure. GKOS front expiration sits at 17 days - the typical hedging horizon for monthly options. The contango term-structure slope of 0.096 means longer-dated tenors price in proportionally more IV.

GKOS chain mechanics and execution

Options are listed at standardized strike intervals (typically $1 for sub-$25 underlyings, $2.50-$5 for mid-cap, $10-$50 for large-cap), and the deltas of each listed strike are determined by where IV lies relative to the strike's moneyness. Average bid/ask spread on the GKOS chain is 24.06% - a measure of liquidity. Tighter spreads on liquid strikes mean lower transaction costs; wider spreads on long-dated or far-OTM strikes mean execution drag can dominate the math. The chain table on the SPA side shows the full per-strike, per-expiration grid; this SSR page summarizes the listed expirations and the front-month context to anchor the structural read.

Using the GKOS chain to build structures

Strategy selection starts with the chain: directional theses use single-leg calls or puts, range-bound theses use credit spreads or iron condors, vol theses use straddles or strangles, calendar theses use diagonal spreads. GKOS's current 15.28% expected move anchors wing placement - structures with wings at the implied band collect the modal-outcome premium under lognormal assumptions. Cross-reference with the gamma-exposure profile to understand where dealer hedging will reinforce or fight your position, and with the volatility-skew chart to confirm the strikes you're trading sit at the IV levels your strategy assumes.

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

GKOS listed expirations

Per-expiration ATM implied volatility for GKOS options. Each row is one listed expiration with its days-to-expiration count and ATM IV pulled from the same term-structure feed that powers the SPA's expiration filter. Front-month expirations carry the highest gamma, the tightest bid-ask spreads, and the most volume; longer-dated tenors carry less liquidity but more vega.

Expiration	DTE	ATM IV
Jul 17, 2026	17	53.3%
Aug 21, 2026	52	62.9%
Oct 16, 2026	108	57.3%
Dec 18, 2026	171	58.0%
Jan 15, 2027	199	57.1%
Dec 17, 2027	535	54.6%

Frequently asked GKOS options chain questions

What does the GKOS options chain show right now?: As of Jun 30, 2026, Glaukos Corporation (GKOS) has 3.0K contracts outstanding and 46 traded today, with ATM IV of 53.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
What expirations are available for GKOS options?: The nearest expiration is 17 days out, followed by 52 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.
How tight are GKOS options bid/ask spreads?: Average bid/ask spread across the chain is 24.06%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.