Data through close

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

As of close · rank #4028 by open interest · snapshot page

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PSMT's nearest-expiration max pain is 155.00 for 2026-10-16, its GEX flip is 173.80, net GEX is -3,371, its put/call open-interest ratio is 1.62. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
170.68
prev 167.64
Gamma max
203.57
+19.3% from close
Delta neutral
163.22
-4.4% from close
Gamma neutral
173.80
+1.8% from close
Open interest
530
-0.2% vs prev
Contracts listed
44
30 calls · 14 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
155.00
-9.2% from close
2026-10-16
GEX flip
173.80
+1.8% from close
Net GEX
-3,371
-636,129 per 100k OI
Call wall
220.00
+28.9% from close
Put wall
110.00
-35.6% from close
Put/call OI
1.62
328 puts / 202 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
23.7
within trailing 52-week range
Front / back ATM IV
+30.2% / +33.1%
-2.9 pp front premium
Expected move
+5.9%
14 DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
– pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.00
0 contracts traded
Normalized net delta
-0.019
option-holder convention
Modeled dealer delta
0.018
opposite-side scenario
Vanna / 100k OI
2,075
volatility-sensitive delta
Charm / 100k OI
3,220,943
time-decay-sensitive delta
IV surface range
35.5 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

PSMT closed 19.3% below its gamma max of 203.57. It is 4.4% above the delta neutral price of 163.22. Total open interest is 530, -0.2% 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

← PYPG (#4027) PST (#4029) →

Questions people ask about PSMT

Where is PSMT's gamma max today?

As of Oct 2, 2026, the gamma max for PSMT is 203.57, +19.3% from the 170.68 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 PSMT above or below its delta neutral price?

PSMT closed above delta neutral: 170.68 against a delta neutral price of 163.22. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does PSMT have?

530 contracts of open interest across 44 listed contracts on Oct 2, 2026, -0.2% 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.