Data through close

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

As of close · rank #1904 by open interest · snapshot page

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STEP's nearest-expiration max pain is 40.00 for 2026-10-16, its GEX flip is 23.11, net GEX is 844,302, its put/call open-interest ratio is 0.08. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
45.27
prev 44.71
Gamma max
54.28
+19.9% from close
Delta neutral
35.48
-21.6% from close
Gamma neutral
23.11
-49.0% from close
Open interest
12,665
+0.2% vs prev
Contracts listed
45
31 calls · 23 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
-11.6% from close
2026-10-16
GEX flip
23.11
-49.0% from close
Net GEX
844,302
6,666,418 per 100k OI
Call wall
65.00
+43.6% from close
Put wall
45.00
-0.6% from close
Put/call OI
0.08
942 puts / 11,723 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
28.6
within trailing 52-week range
Front / back ATM IV
+44.4% / +38.5%
5.9 pp front premium
Expected move
+8.7%
14 DTE · one standard deviation
ATM straddle / spot
+16.2%
front-window midpoint premium
25Δ risk reversal
-19.1 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.00
13 contracts traded
Normalized net delta
0.191
option-holder convention
Modeled dealer delta
-0.191
opposite-side scenario
Vanna / 100k OI
9,072
volatility-sensitive delta
Charm / 100k OI
-70,272
time-decay-sensitive delta
IV surface range
52.5 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

STEP closed 19.9% below its gamma max of 54.28. It is 21.6% above the delta neutral price of 35.48. Total open interest is 12,665, +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

← TNDM (#1903) LPX (#1905) →

Questions people ask about STEP

Where is STEP's gamma max today?

As of Oct 2, 2026, the gamma max for STEP is 54.28, +19.9% from the 45.27 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 STEP above or below its delta neutral price?

STEP closed above delta neutral: 45.27 against a delta neutral price of 35.48. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does STEP have?

12,665 contracts of open interest across 45 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.