Data through close

GKOS max pain, gamma exposure (GEX) & options open interest

As of close · rank #1925 by open interest · snapshot page

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GKOS's nearest-expiration max pain is 160.00 for 2026-10-16, its GEX flip is 180.48, net GEX is -458,297, its put/call open-interest ratio is 1.44. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
163.75
prev 163.17
Gamma max
203.94
+24.5% from close
Delta neutral
164.97
+0.7% from close
Gamma neutral
180.48
+10.2% from close
Open interest
12,411
+1.6% vs prev
Contracts listed
178
114 calls · 89 puts

Whole-chain analytics

Derived after the close from the same dated options chain. Signed gamma exposure uses calls positive and puts negative; it is a model convention, not observed dealer inventory.

Nearest max pain
160.00
-2.3% from close
2026-10-16
GEX flip
180.48
+10.2% from close
Net GEX
-458,297
-3,692,668 per 100k OI
Call wall
160.00
-2.3% from close
Put wall
160.00
-2.3% from close
Put/call OI
1.44
7,326 puts / 5,085 calls

Advanced options analysis

Complete derived analysis from the dated chain, normalized where possible for comparison across tickers. Catalyst intensity measures unusual pricing and activity; it does not identify an event, predict direction, or establish that an investment is attractive.

Catalyst intensity
–
cross-sectional score / 100
Directional score
–
IV rank
37.8
within trailing 52-week range
Front / back ATM IV
+63.3% / +60.7%
2.6 pp front premium
Expected move
+12.4%
14 DTE · one standard deviation
ATM straddle / spot
+9.4%
front-window midpoint premium
25Δ risk reversal
3.0 pp
put IV minus call IV
IV butterfly
11.3 pp
front-window smile convexity
Volume / open interest
0.04
540 contracts traded
Normalized net delta
-0.001
option-holder convention
Modeled dealer delta
0.001
opposite-side scenario
Vanna / 100k OI
1,781
volatility-sensitive delta
Charm / 100k OI
1,948,497
time-decay-sensitive delta
IV surface range
103.8 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

GKOS closed 24.5% below its gamma max of 203.94. It is 0.7% below the delta neutral price of 164.97. Total open interest is 12,411, +1.6% versus the previous session. What gamma max means · What delta neutral means

History

Full history since 2020: drag to pan, scroll to zoom, hover for values. Open full-screen chart

Analysis visualizations

Derived from the 2026-10-02 options chain. Select an analysis to explore its chart.

Gamma walls

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In today's screens

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Neighbours by open interest

← WLTH (#1924) RAPP (#1926) →

Questions people ask about GKOS

Where is GKOS's gamma max today?

As of Oct 2, 2026, the gamma max for GKOS is 203.94, +24.5% from the 163.75 close. Gamma max is the underlying price at which the summed gamma of every open contract is largest; how it is computed and why it matters.

Is GKOS above or below its delta neutral price?

GKOS closed below delta neutral: 163.75 against a delta neutral price of 164.97. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does GKOS have?

12,411 contracts of open interest across 178 listed contracts on Oct 2, 2026, +1.6% versus the previous session. What open interest measures.

Levels are recomputed after every trading day from licensed end-of-day options data; only derived aggregates are published. Methodology · Data and licence · Not investment advice.