Data through close

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

As of close · rank #2859 by open interest · snapshot page

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SPH's nearest-expiration max pain is 17.50 for 2026-10-16, net GEX is 36,106, its put/call open-interest ratio is 0.55. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
16.67
prev 16.39
Gamma max
19.84
+19.0% from close
Delta neutral
15.94
-4.3% from close
Gamma neutral
16.67
0.0% from close
Open interest
3,279
-0.2% vs prev
Contracts listed
23
15 calls · 12 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
17.50
+5.0% from close
2026-10-16
GEX flip
–
Net GEX
36,106
1,101,131 per 100k OI
Call wall
17.50
+5.0% from close
Put wall
17.50
+5.0% from close
Put/call OI
0.55
1,160 puts / 2,119 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
+102.0% / +29.4%
72.6 pp front premium
Expected move
+20.0%
14 DTE · one standard deviation
ATM straddle / spot
+9.4%
front-window midpoint premium
25Δ risk reversal
12.0 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.01
38 contracts traded
Normalized net delta
0.082
option-holder convention
Modeled dealer delta
-0.081
opposite-side scenario
Vanna / 100k OI
1,982
volatility-sensitive delta
Charm / 100k OI
-1,861,757
time-decay-sensitive delta
IV surface range
81.4 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

SPH closed 19.0% below its gamma max of 19.84. It is 4.3% above the delta neutral price of 15.94. Total open interest is 3,279, -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

Neighbours by open interest

← FCG (#2858) MAC (#2860) →

Questions people ask about SPH

Where is SPH's gamma max today?

As of Oct 2, 2026, the gamma max for SPH is 19.84, +19.0% from the 16.67 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 SPH above or below its delta neutral price?

SPH closed above delta neutral: 16.67 against a delta neutral price of 15.94. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does SPH have?

3,279 contracts of open interest across 23 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.