Data through close

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

As of close · rank #1480 by open interest · snapshot page

ILMN's nearest-expiration max pain is 250.00 for 2026-10-16, its GEX flip is 245.87, net GEX is 346,757, its put/call open-interest ratio is 0.63. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
273.04
prev 265.75
Gamma max
295.95
+8.4% from close
Delta neutral
231.38
-15.3% from close
Gamma neutral
245.87
-10.0% from close
Open interest
22,770
+0.4% vs prev
Contracts listed
309
250 calls · 204 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
250.00
-8.4% from close
2026-10-16
GEX flip
245.87
-10.0% from close
Net GEX
346,757
1,522,868 per 100k OI
Call wall
230.00
-15.8% from close
Put wall
270.00
-1.1% from close
Put/call OI
0.63
8,766 puts / 14,004 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
60.7
within trailing 52-week range
Front / back ATM IV
+53.1% / +62.0%
-8.9 pp front premium
Expected move
+10.4%
14 DTE · one standard deviation
ATM straddle / spot
+8.1%
front-window midpoint premium
25Δ risk reversal
-1.7 pp
put IV minus call IV
IV butterfly
-0.6 pp
front-window smile convexity
Volume / open interest
0.03
790 contracts traded
Normalized net delta
0.411
option-holder convention
Modeled dealer delta
-0.411
opposite-side scenario
Vanna / 100k OI
-1,506
volatility-sensitive delta
Charm / 100k OI
-3,298,059
time-decay-sensitive delta
IV surface range
47.2 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

ILMN closed 8.4% below its gamma max of 295.95. It is 15.3% above the delta neutral price of 231.38. Total open interest is 22,770, +0.4% 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

Questions people ask about ILMN

Where is ILMN's gamma max today?

As of Oct 2, 2026, the gamma max for ILMN is 295.95, +8.4% from the 273.04 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 ILMN above or below its delta neutral price?

ILMN closed above delta neutral: 273.04 against a delta neutral price of 231.38. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does ILMN have?

22,770 contracts of open interest across 309 listed contracts on Oct 2, 2026, +0.4% 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.