Data through close

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

As of close · rank #2853 by open interest · snapshot page

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MSM's nearest-expiration max pain is 120.00 for 2026-10-16, its GEX flip is 98.24, net GEX is 455,502, its put/call open-interest ratio is 1.23. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
130.12
prev 128.50
Gamma max
129.57
-0.4% from close
Delta neutral
123.91
-4.8% from close
Gamma neutral
98.24
-24.5% from close
Open interest
3,295
-0.9% vs prev
Contracts listed
56
36 calls · 25 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
120.00
-7.8% from close
2026-10-16
GEX flip
98.24
-24.5% from close
Net GEX
455,502
13,824,046 per 100k OI
Call wall
130.00
-0.1% from close
Put wall
115.00
-11.6% from close
Put/call OI
1.23
1,817 puts / 1,478 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
29.5
within trailing 52-week range
Front / back ATM IV
+33.4% / +32.3%
1.2 pp front premium
Expected move
+6.5%
14 DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
166.2 pp
put IV minus call IV
IV butterfly
1.8 pp
front-window smile convexity
Volume / open interest
0.63
2,071 contracts traded
Normalized net delta
0.155
option-holder convention
Modeled dealer delta
-0.155
opposite-side scenario
Vanna / 100k OI
1,851
volatility-sensitive delta
Charm / 100k OI
646,920
time-decay-sensitive delta
IV surface range
170.1 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

MSM closed 0.4% above its gamma max of 129.57. It is 4.8% above the delta neutral price of 123.91. That is a fresh cross: the previous close was on the other side of gamma max. Total open interest is 3,295, -0.9% 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

Neighbours by open interest

← GBX (#2852) CARS (#2854) →

Questions people ask about MSM

Where is MSM's gamma max today?

As of Oct 2, 2026, the gamma max for MSM is 129.57, -0.4% from the 130.12 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 MSM above or below its delta neutral price?

MSM closed above delta neutral: 130.12 against a delta neutral price of 123.91. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does MSM have?

3,295 contracts of open interest across 56 listed contracts on Oct 2, 2026, -0.9% 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.