Data through close

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

As of close · rank #650 by open interest · snapshot page

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ACI's nearest-expiration max pain is 12.00 for 2026-10-09, its GEX flip is 5.62, net GEX is 4,448,026, its put/call open-interest ratio is 0.29. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
11.75
prev 11.72
Gamma max
13.21
+12.4% from close
Delta neutral
11.29
-3.9% from close
Gamma neutral
5.62
-52.1% from close
Open interest
96,894
-0.7% vs prev
Contracts listed
155
127 calls · 79 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
12.00
+2.1% from close
2026-10-09
GEX flip
5.62
-52.1% from close
Net GEX
4,448,026
4,590,610 per 100k OI
Call wall
15.00
+27.7% from close
Put wall
12.00
+2.1% from close
Put/call OI
0.29
21,499 puts / 75,395 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
100.0
within trailing 52-week range
Front / back ATM IV
+32.3% / +46.6%
-14.3 pp front premium
Expected move
+4.5%
7 DTE · one standard deviation
ATM straddle / spot
+3.6%
front-window midpoint premium
25Δ risk reversal
-3.1 pp
put IV minus call IV
IV butterfly
-1.4 pp
front-window smile convexity
Volume / open interest
0.01
1,029 contracts traded
Normalized net delta
0.143
option-holder convention
Modeled dealer delta
-0.140
opposite-side scenario
Vanna / 100k OI
4,095
volatility-sensitive delta
Charm / 100k OI
-115,154
time-decay-sensitive delta
IV surface range
140.1 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

ACI closed 12.4% below its gamma max of 13.21. It is 3.9% above the delta neutral price of 11.29. Total open interest is 96,894, -0.7% 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

← SHLS (#649) VICI (#651) →

Questions people ask about ACI

Where is ACI's gamma max today?

As of Oct 2, 2026, the gamma max for ACI is 13.21, +12.4% from the 11.75 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 ACI above or below its delta neutral price?

ACI closed above delta neutral: 11.75 against a delta neutral price of 11.29. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does ACI have?

96,894 contracts of open interest across 155 listed contracts on Oct 2, 2026, -0.7% 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.