Data through close

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

As of close · rank #3804 by open interest · snapshot page

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STXX's nearest-expiration max pain is 40.00 for 2026-10-16, its GEX flip is 28.28, net GEX is 9,501, its put/call open-interest ratio is 0.61. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
38.76
prev 48.51
Gamma max
47.34
+22.1% from close
Delta neutral
34.47
-11.1% from close
Gamma neutral
28.28
-27.0% from close
Open interest
790
+0.3% vs prev
Contracts listed
80
43 calls · 43 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
40.00
+3.2% from close
2026-10-16
GEX flip
28.28
-27.0% from close
Net GEX
9,501
1,202,619 per 100k OI
Call wall
45.00
+16.1% from close
Put wall
45.00
+16.1% from close
Put/call OI
0.61
300 puts / 490 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
0.0
within trailing 52-week range
Front / back ATM IV
+130.9% / +130.5%
0.4 pp front premium
Expected move
+25.6%
14 DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
– pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.85
669 contracts traded
Normalized net delta
0.132
option-holder convention
Modeled dealer delta
-0.131
opposite-side scenario
Vanna / 100k OI
759
volatility-sensitive delta
Charm / 100k OI
0
time-decay-sensitive delta
IV surface range
18.3 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

STXX closed 22.1% below its gamma max of 47.34. It is 11.1% above the delta neutral price of 34.47. Total open interest is 790, +0.3% 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

← KWR (#3803) EHTH (#3805) →

Questions people ask about STXX

Where is STXX's gamma max today?

As of Oct 2, 2026, the gamma max for STXX is 47.34, +22.1% from the 38.76 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 STXX above or below its delta neutral price?

STXX closed above delta neutral: 38.76 against a delta neutral price of 34.47. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does STXX have?

790 contracts of open interest across 80 listed contracts on Oct 2, 2026, +0.3% 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.