Data through close

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

As of close · rank #834 by open interest · snapshot page

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DUOL's nearest-expiration max pain is 140.00 for 2026-10-09, its GEX flip is 137.87, net GEX is 633,235, its put/call open-interest ratio is 0.59. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
144.27
prev 146.57
Gamma max
162.63
+12.7% from close
Delta neutral
135.63
-6.0% from close
Gamma neutral
137.87
-4.4% from close
Open interest
67,463
-3.8% vs prev
Contracts listed
669
395 calls · 335 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
140.00
-3.0% from close
2026-10-09
GEX flip
137.87
-4.4% from close
Net GEX
633,235
938,640 per 100k OI
Call wall
150.00
+4.0% from close
Put wall
140.00
-3.0% from close
Put/call OI
0.59
25,105 puts / 42,358 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
+54.4% / +68.5%
-14.0 pp front premium
Expected move
+7.5%
7 DTE · one standard deviation
ATM straddle / spot
+5.5%
front-window midpoint premium
25Δ risk reversal
-11.9 pp
put IV minus call IV
IV butterfly
7.3 pp
front-window smile convexity
Volume / open interest
0.03
2,480 contracts traded
Normalized net delta
0.128
option-holder convention
Modeled dealer delta
-0.127
opposite-side scenario
Vanna / 100k OI
1,592
volatility-sensitive delta
Charm / 100k OI
-729,785
time-decay-sensitive delta
IV surface range
157.7 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

DUOL closed 12.7% below its gamma max of 162.63. It is 6.0% above the delta neutral price of 135.63. Total open interest is 67,463, -3.8% 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

← MELI (#833) SFM (#835) →

Questions people ask about DUOL

Where is DUOL's gamma max today?

As of Oct 2, 2026, the gamma max for DUOL is 162.63, +12.7% from the 144.27 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 DUOL above or below its delta neutral price?

DUOL closed above delta neutral: 144.27 against a delta neutral price of 135.63. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does DUOL have?

67,463 contracts of open interest across 669 listed contracts on Oct 2, 2026, -3.8% 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.