Data through close

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

As of close · rank #991 by open interest · snapshot page

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CME's nearest-expiration max pain is 272.50 for 2026-10-09, its GEX flip is 264.15, net GEX is -214,071, its put/call open-interest ratio is 1.12. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
263.14
prev 265.10
Gamma max
292.10
+11.0% from close
Delta neutral
263.52
+0.1% from close
Gamma neutral
264.15
+0.4% from close
Open interest
49,822
-5.6% vs prev
Contracts listed
485
277 calls · 248 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
272.50
+3.6% from close
2026-10-09
GEX flip
264.15
+0.4% from close
Net GEX
-214,071
-429,672 per 100k OI
Call wall
270.00
+2.6% from close
Put wall
270.00
+2.6% from close
Put/call OI
1.12
26,272 puts / 23,550 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
+27.8% / +29.2%
-1.4 pp front premium
Expected move
+3.9%
7 DTE · one standard deviation
ATM straddle / spot
+3.4%
front-window midpoint premium
25Δ risk reversal
4.0 pp
put IV minus call IV
IV butterfly
1.4 pp
front-window smile convexity
Volume / open interest
0.04
2,408 contracts traded
Normalized net delta
-0.006
option-holder convention
Modeled dealer delta
0.006
opposite-side scenario
Vanna / 100k OI
2,479
volatility-sensitive delta
Charm / 100k OI
1,431,695
time-decay-sensitive delta
IV surface range
90.9 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

CME closed 11.0% below its gamma max of 292.10. It is 0.1% below the delta neutral price of 263.52. Total open interest is 49,822, -5.6% 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

Neighbours by open interest

← SES (#990) GPRE (#992) →

Questions people ask about CME

Where is CME's gamma max today?

As of Oct 2, 2026, the gamma max for CME is 292.10, +11.0% from the 263.14 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 CME above or below its delta neutral price?

CME closed below delta neutral: 263.14 against a delta neutral price of 263.52. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does CME have?

49,822 contracts of open interest across 485 listed contracts on Oct 2, 2026, -5.6% 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.