Data through close

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

As of close · rank #4519 by open interest · snapshot page

SWX's nearest-expiration max pain is 85.00 for 2026-10-16, its GEX flip is 72.83, net GEX is 19,236, its put/call open-interest ratio is 0.42. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
82.69
prev 81.76
Gamma max
85.27
+3.1% from close
Delta neutral
82.08
-0.7% from close
Gamma neutral
72.83
-11.9% from close
Open interest
188
0.0% vs prev
Contracts listed
23
18 calls · 5 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
85.00
+2.8% from close
2026-10-16
GEX flip
72.83
-11.9% from close
Net GEX
19,236
10,232,078 per 100k OI
Call wall
85.00
+2.8% from close
Put wall
85.00
+2.8% from close
Put/call OI
0.42
56 puts / 132 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
82.1
within trailing 52-week range
Front / back ATM IV
+24.6% / +23.7%
0.9 pp front premium
Expected move
+4.8%
14 DTE · one standard deviation
ATM straddle / spot
+4.6%
front-window midpoint premium
25Δ risk reversal
– pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.01
2 contracts traded
Normalized net delta
0.034
option-holder convention
Modeled dealer delta
-0.034
opposite-side scenario
Vanna / 100k OI
0
volatility-sensitive delta
Charm / 100k OI
0
time-decay-sensitive delta
IV surface range
114.1 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

SWX closed 3.1% below its gamma max of 85.27. It is 0.7% above the delta neutral price of 82.08. Total open interest is 188, 0.0% 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

Questions people ask about SWX

Where is SWX's gamma max today?

As of Oct 2, 2026, the gamma max for SWX is 85.27, +3.1% from the 82.69 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 SWX above or below its delta neutral price?

SWX closed above delta neutral: 82.69 against a delta neutral price of 82.08. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does SWX have?

188 contracts of open interest across 23 listed contracts on Oct 2, 2026, 0.0% 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.