Data through close

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

As of close · rank #4147 by open interest · snapshot page

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GATX's nearest-expiration max pain is 180.00 for 2026-10-16, its GEX flip is 138.09, net GEX is 43,682, its put/call open-interest ratio is 0.35. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
171.03
prev 168.88
Gamma max
186.50
+9.0% from close
Delta neutral
163.97
-4.1% from close
Gamma neutral
138.09
-19.3% from close
Open interest
429
+6.2% vs prev
Contracts listed
54
27 calls · 28 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
180.00
+5.2% from close
2026-10-16
GEX flip
138.09
-19.3% from close
Net GEX
43,682
10,182,225 per 100k OI
Call wall
180.00
+5.2% from close
Put wall
200.00
+16.9% from close
Put/call OI
0.35
111 puts / 318 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
7.7
within trailing 52-week range
Front / back ATM IV
+28.7% / +26.2%
2.5 pp front premium
Expected move
+5.6%
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
0.02
10 contracts traded
Normalized net delta
0.085
option-holder convention
Modeled dealer delta
-0.085
opposite-side scenario
Vanna / 100k OI
466
volatility-sensitive delta
Charm / 100k OI
-1,776,224
time-decay-sensitive delta
IV surface range
49.4 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

GATX closed 9.0% below its gamma max of 186.50. It is 4.1% above the delta neutral price of 163.97. Total open interest is 429, +6.2% 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

← INFU (#4146) NFLW (#4148) →

Questions people ask about GATX

Where is GATX's gamma max today?

As of Oct 2, 2026, the gamma max for GATX is 186.50, +9.0% from the 171.03 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 GATX above or below its delta neutral price?

GATX closed above delta neutral: 171.03 against a delta neutral price of 163.97. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does GATX have?

429 contracts of open interest across 54 listed contracts on Oct 2, 2026, +6.2% 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.