Data through close

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

As of close · rank #2087 by open interest · snapshot page

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MAS's nearest-expiration max pain is 70.00 for 2026-10-16, its GEX flip is 74.19, net GEX is -1,060,689, its put/call open-interest ratio is 0.98. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
68.36
prev 68.28
Gamma max
80.87
+18.3% from close
Delta neutral
71.23
+4.2% from close
Gamma neutral
74.19
+8.5% from close
Open interest
9,936
-0.0% vs prev
Contracts listed
57
39 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
70.00
+2.4% from close
2026-10-16
GEX flip
74.19
+8.5% from close
Net GEX
-1,060,689
-10,675,209 per 100k OI
Call wall
80.00
+17.0% from close
Put wall
70.00
+2.4% from close
Put/call OI
0.98
4,930 puts / 5,006 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
16.4
within trailing 52-week range
Front / back ATM IV
+34.6% / +35.6%
-1.0 pp front premium
Expected move
+6.8%
14 DTE · one standard deviation
ATM straddle / spot
+5.5%
front-window midpoint premium
25Δ risk reversal
-0.8 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.00
32 contracts traded
Normalized net delta
-0.112
option-holder convention
Modeled dealer delta
0.112
opposite-side scenario
Vanna / 100k OI
2,878
volatility-sensitive delta
Charm / 100k OI
1,349,225
time-decay-sensitive delta
IV surface range
67.6 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

MAS closed 18.3% below its gamma max of 80.87. It is 4.2% below the delta neutral price of 71.23. Total open interest is 9,936, -0.0% 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

← VERU (#2086) SOLT (#2088) →

Questions people ask about MAS

Where is MAS's gamma max today?

As of Oct 2, 2026, the gamma max for MAS is 80.87, +18.3% from the 68.36 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 MAS above or below its delta neutral price?

MAS closed below delta neutral: 68.36 against a delta neutral price of 71.23. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does MAS have?

9,936 contracts of open interest across 57 listed contracts on Oct 2, 2026, -0.0% 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.