Data through close

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

As of close · rank #3199 by open interest · snapshot page

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MKTX's nearest-expiration max pain is 160.00 for 2026-10-16, its GEX flip is 123.93, net GEX is 407,225, its put/call open-interest ratio is 0.57. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
164.14
prev 164.22
Gamma max
164.58
+0.3% from close
Delta neutral
149.74
-8.8% from close
Gamma neutral
123.93
-24.5% from close
Open interest
2,013
+0.5% vs prev
Contracts listed
80
45 calls · 47 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
-2.5% from close
2026-10-16
GEX flip
123.93
-24.5% from close
Net GEX
407,225
20,229,753 per 100k OI
Call wall
170.00
+3.6% from close
Put wall
160.00
-2.5% from close
Put/call OI
0.57
729 puts / 1,284 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
12.4
within trailing 52-week range
Front / back ATM IV
+19.9% / +15.0%
4.9 pp front premium
Expected move
+3.9%
14 DTE · one standard deviation
ATM straddle / spot
+5.0%
front-window midpoint premium
25Δ risk reversal
90.9 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.00
1 contracts traded
Normalized net delta
0.270
option-holder convention
Modeled dealer delta
-0.233
opposite-side scenario
Vanna / 100k OI
1,143
volatility-sensitive delta
Charm / 100k OI
-13,313
time-decay-sensitive delta
IV surface range
87.8 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

MKTX closed 0.3% below its gamma max of 164.58. It is 8.8% above the delta neutral price of 149.74. Total open interest is 2,013, +0.5% 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

← GPGI (#3198) MCFT (#3200) →

Questions people ask about MKTX

Where is MKTX's gamma max today?

As of Oct 2, 2026, the gamma max for MKTX is 164.58, +0.3% from the 164.14 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 MKTX above or below its delta neutral price?

MKTX closed above delta neutral: 164.14 against a delta neutral price of 149.74. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does MKTX have?

2,013 contracts of open interest across 80 listed contracts on Oct 2, 2026, +0.5% 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.