Data through close

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

As of close · rank #1048 by open interest · snapshot page

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CBOE's nearest-expiration max pain is 270.00 for 2026-10-09, its GEX flip is 264.61, net GEX is 464,759, its put/call open-interest ratio is 0.65. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
271.26
prev 277.19
Gamma max
313.95
+15.7% from close
Delta neutral
260.93
-3.8% from close
Gamma neutral
264.61
-2.5% from close
Open interest
44,552
-7.9% vs prev
Contracts listed
674
418 calls · 340 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
270.00
-0.5% from close
2026-10-09
GEX flip
264.61
-2.5% from close
Net GEX
464,759
1,043,182 per 100k OI
Call wall
300.00
+10.6% from close
Put wall
270.00
-0.5% from close
Put/call OI
0.65
17,470 puts / 27,082 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
75.0
within trailing 52-week range
Front / back ATM IV
+43.5% / +40.1%
3.4 pp front premium
Expected move
+6.0%
7 DTE · one standard deviation
ATM straddle / spot
+4.6%
front-window midpoint premium
25Δ risk reversal
1.4 pp
put IV minus call IV
IV butterfly
9.0 pp
front-window smile convexity
Volume / open interest
0.07
3,614 contracts traded
Normalized net delta
0.065
option-holder convention
Modeled dealer delta
-0.064
opposite-side scenario
Vanna / 100k OI
2,463
volatility-sensitive delta
Charm / 100k OI
645,659
time-decay-sensitive delta
IV surface range
75.2 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

CBOE closed 15.7% below its gamma max of 313.95. It is 3.8% above the delta neutral price of 260.93. Total open interest is 44,552, -7.9% 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

← ICE (#1047) ANF (#1049) →

Questions people ask about CBOE

Where is CBOE's gamma max today?

As of Oct 2, 2026, the gamma max for CBOE is 313.95, +15.7% from the 271.26 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 CBOE above or below its delta neutral price?

CBOE closed above delta neutral: 271.26 against a delta neutral price of 260.93. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does CBOE have?

44,552 contracts of open interest across 674 listed contracts on Oct 2, 2026, -7.9% 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.