Data through close

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

As of close · rank #1675 by open interest · snapshot page

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MKSI's nearest-expiration max pain is 240.00 for 2026-10-16, its GEX flip is 233.46, net GEX is 1,079,631, its put/call open-interest ratio is 0.42. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
279.15
prev 271.24
Gamma max
296.56
+6.2% from close
Delta neutral
245.62
-12.0% from close
Gamma neutral
233.46
-16.4% from close
Open interest
17,578
+1.2% vs prev
Contracts listed
398
299 calls · 180 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
240.00
-14.0% from close
2026-10-16
GEX flip
233.46
-16.4% from close
Net GEX
1,079,631
6,141,942 per 100k OI
Call wall
280.00
+0.3% from close
Put wall
310.00
+11.1% from close
Put/call OI
0.42
5,223 puts / 12,355 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
37.5
within trailing 52-week range
Front / back ATM IV
+51.0% / +59.7%
-8.7 pp front premium
Expected move
+10.0%
14 DTE · one standard deviation
ATM straddle / spot
+7.7%
front-window midpoint premium
25Δ risk reversal
-3.5 pp
put IV minus call IV
IV butterfly
-2.9 pp
front-window smile convexity
Volume / open interest
0.01
245 contracts traded
Normalized net delta
0.190
option-holder convention
Modeled dealer delta
-0.190
opposite-side scenario
Vanna / 100k OI
1,485
volatility-sensitive delta
Charm / 100k OI
-10,138,907
time-decay-sensitive delta
IV surface range
60.6 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

MKSI closed 6.2% below its gamma max of 296.56. It is 12.0% above the delta neutral price of 245.62. Total open interest is 17,578, +1.2% 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

← HHH (#1674) PUMP (#1676) →

Questions people ask about MKSI

Where is MKSI's gamma max today?

As of Oct 2, 2026, the gamma max for MKSI is 296.56, +6.2% from the 279.15 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 MKSI above or below its delta neutral price?

MKSI closed above delta neutral: 279.15 against a delta neutral price of 245.62. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does MKSI have?

17,578 contracts of open interest across 398 listed contracts on Oct 2, 2026, +1.2% 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.