Data through close

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

As of close · rank #698 by open interest · snapshot page

ERO's nearest-expiration max pain is 30.00 for 2026-11-20, its GEX flip is 16.59, net GEX is 7,085,807, its put/call open-interest ratio is 0.19. These are whole-chain derived aggregates as of Oct 16, 2026 close.

ERO max pain and GEX snapshot

End-of-day snapshot for . Nearest-expiration max pain uses the expiry shown on its card; GEX uses the whole chain. Missing values are unavailable, not zero.

Nearest-expiration max pain
30.00
-12.2% from close
Expiry: 2026-11-20
GEX flip
16.59
-51.4% from close
Net GEX
7,085,807
8,771,843 per 100k OI
Call wall
35.00
+2.5% from close
Put wall
30.00
-12.2% from close
Put/call OI
0.19
13,016 puts / 67,763 calls

Prices are in US dollars per share. Net GEX is modeled dollar-delta change per $1 underlying move. Max pain minimizes aggregate intrinsic payout for that expiration; it is not a closing-price forecast. Signed GEX uses calls positive and puts negative, a model convention rather than observed dealer inventory. The flip is a confirmed zero crossing; walls locate side-specific concentrations, not guaranteed support or resistance.

Learn how to read the max pain payout example, GEX chart, gamma flip and walls, and open interest versus trading volume.

Close
34.16
prev 34.75
Gamma max
35.27
+3.3% from close
Delta neutral
25.24
-26.1% from close
Gamma neutral
16.59
-51.4% from close
Open interest
80,779
-20.1% vs prev
Contracts listed
136
89 calls · 84 puts

Advanced options analysis

Public aggregate 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 IV premium
3.9 pp
front minus back volatility difference
25Δ risk reversal
1.5 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.02
2,378 contracts traded
Normalized net delta
0.235
option-holder convention
Modeled dealer delta
-0.233
opposite-side scenario
Vanna / 100k OI
1,207
volatility-sensitive delta
Charm / 100k OI
-250,310
time-decay-sensitive delta
IV surface range
27.9 pp
aggregate volatility dispersion

Download the dated aggregate analysis JSON .

ERO closed 3.3% below its gamma max of 35.27. It is 26.1% above the delta neutral price of 25.24. Total open interest is 80,779, -20.1% 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

Daily ticker aggregates through 2026-10-16. The max pain curve pools all listed expirations; individual contracts are outside the public dataset.

Aggregate IV history

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In today's screens

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Neighbours by open interest

Questions people ask about ERO

What is ERO's max pain for the nearest expiration?

As of Oct 16, 2026 close, nearest-expiration max pain is 30.00 for the 2026-11-20 expiration. It is a payout-minimizing strike for one expiration. An all-expiration pooled value is a different comparison, and neither establishes where the underlying will close. Max pain definition and worked payout example.

Our 2025 max-pain study compares historical Thursday levels with Friday underlying closes and an unchanged-price baseline. Its scope and results are separate from this current ticker snapshot.

What do ERO's gamma exposure and gamma flip show?

Signed net GEX is 7,085,807 as of Oct 16, 2026 close. The confirmed GEX flip is 16.59. These aggregate model outputs use calls positive and puts negative. Their sign does not identify dealers' actual positions or predict the next move. How to interpret GEX, gamma flip and walls.

Where is ERO's gamma max today?

As of Oct 16, 2026, the gamma max for ERO is 35.27, +3.3% from the 34.16 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 ERO above or below its delta neutral price?

ERO closed above delta neutral: 34.16 against a delta neutral price of 25.24. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does ERO have?

80,779 contracts of open interest across 136 listed contracts on Oct 16, 2026, -20.1% 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.