Data through close

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

As of close · rank #1951 by open interest · snapshot page

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GPC's nearest-expiration max pain is 130.00 for 2026-10-16, its GEX flip is 94.16, net GEX is 1,915,922, its put/call open-interest ratio is 0.23. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
127.24
prev 125.12
Gamma max
136.50
+7.3% from close
Delta neutral
112.94
-11.2% from close
Gamma neutral
94.16
-26.0% from close
Open interest
11,978
+0.4% vs prev
Contracts listed
196
125 calls · 90 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
130.00
+2.2% from close
2026-10-16
GEX flip
94.16
-26.0% from close
Net GEX
1,915,922
15,995,342 per 100k OI
Call wall
140.00
+10.0% from close
Put wall
130.00
+2.2% from close
Put/call OI
0.23
2,232 puts / 9,746 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
26.2
within trailing 52-week range
Front / back ATM IV
+29.3% / +33.1%
-3.7 pp front premium
Expected move
+5.7%
14 DTE · one standard deviation
ATM straddle / spot
+4.8%
front-window midpoint premium
25Δ risk reversal
70.0 pp
put IV minus call IV
IV butterfly
4.7 pp
front-window smile convexity
Volume / open interest
0.01
68 contracts traded
Normalized net delta
0.200
option-holder convention
Modeled dealer delta
-0.200
opposite-side scenario
Vanna / 100k OI
2,864
volatility-sensitive delta
Charm / 100k OI
-645,584
time-decay-sensitive delta
IV surface range
110.5 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

GPC closed 7.3% below its gamma max of 136.50. It is 11.2% above the delta neutral price of 112.94. Total open interest is 11,978, +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

← ILPT (#1950) GCTS (#1952) →

Questions people ask about GPC

Where is GPC's gamma max today?

As of Oct 2, 2026, the gamma max for GPC is 136.50, +7.3% from the 127.24 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 GPC above or below its delta neutral price?

GPC closed above delta neutral: 127.24 against a delta neutral price of 112.94. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does GPC have?

11,978 contracts of open interest across 196 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.