Data through close

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

As of close · rank #3459 by open interest · snapshot page

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STOK's nearest-expiration max pain is 30.00 for 2026-10-16, its GEX flip is 21.95, net GEX is 60,131, its put/call open-interest ratio is 0.40. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
25.62
prev 26.01
Gamma max
29.52
+15.2% from close
Delta neutral
22.74
-11.2% from close
Gamma neutral
21.95
-14.3% from close
Open interest
1,408
+0.2% vs prev
Contracts listed
38
26 calls · 19 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
30.00
+17.1% from close
2026-10-16
GEX flip
21.95
-14.3% from close
Net GEX
60,131
4,270,670 per 100k OI
Call wall
30.00
+17.1% from close
Put wall
22.50
-12.2% from close
Put/call OI
0.40
403 puts / 1,005 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
99.4
within trailing 52-week range
Front / back ATM IV
+88.2% / +72.3%
15.9 pp front premium
Expected move
+17.3%
14 DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
-101.4 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.18
259 contracts traded
Normalized net delta
0.128
option-holder convention
Modeled dealer delta
-0.128
opposite-side scenario
Vanna / 100k OI
2,983
volatility-sensitive delta
Charm / 100k OI
-721,804
time-decay-sensitive delta
IV surface range
131.8 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

STOK closed 15.2% below its gamma max of 29.52. It is 11.2% above the delta neutral price of 22.74. Total open interest is 1,408, +0.2% 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

← IEFA (#3458) MANH (#3460) →

Questions people ask about STOK

Where is STOK's gamma max today?

As of Oct 2, 2026, the gamma max for STOK is 29.52, +15.2% from the 25.62 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 STOK above or below its delta neutral price?

STOK closed above delta neutral: 25.62 against a delta neutral price of 22.74. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does STOK have?

1,408 contracts of open interest across 38 listed contracts on Oct 2, 2026, +0.2% 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.