Data through close

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

As of close · rank #2597 by open interest · snapshot page

Chart Download CSV JSON snapshot Advanced analysis

TREX's nearest-expiration max pain is 45.00 for 2026-10-16, its GEX flip is 37.25, net GEX is 425,389, its put/call open-interest ratio is 0.59. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
43.56
prev 43.50
Gamma max
46.43
+6.6% from close
Delta neutral
40.61
-6.8% from close
Gamma neutral
37.25
-14.5% from close
Open interest
4,865
+0.8% vs prev
Contracts listed
100
61 calls · 50 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
45.00
+3.3% from close
2026-10-16
GEX flip
37.25
-14.5% from close
Net GEX
425,389
8,743,864 per 100k OI
Call wall
47.50
+9.0% from close
Put wall
45.00
+3.3% from close
Put/call OI
0.59
1,807 puts / 3,058 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
44.9
within trailing 52-week range
Front / back ATM IV
+46.6% / +46.4%
0.2 pp front premium
Expected move
+9.1%
14 DTE · one standard deviation
ATM straddle / spot
+7.9%
front-window midpoint premium
25Δ risk reversal
-126.7 pp
put IV minus call IV
IV butterfly
16.7 pp
front-window smile convexity
Volume / open interest
0.00
22 contracts traded
Normalized net delta
0.105
option-holder convention
Modeled dealer delta
-0.105
opposite-side scenario
Vanna / 100k OI
3,515
volatility-sensitive delta
Charm / 100k OI
-1,438,314
time-decay-sensitive delta
IV surface range
132.7 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

TREX closed 6.6% below its gamma max of 46.43. It is 6.8% above the delta neutral price of 40.61. Total open interest is 4,865, +0.8% 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

Chart loads when this section is in view.

In today's screens

Not in any screen today. See all screens.

Neighbours by open interest

← STKE (#2596) PYPD (#2598) →

Questions people ask about TREX

Where is TREX's gamma max today?

As of Oct 2, 2026, the gamma max for TREX is 46.43, +6.6% from the 43.56 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 TREX above or below its delta neutral price?

TREX closed above delta neutral: 43.56 against a delta neutral price of 40.61. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does TREX have?

4,865 contracts of open interest across 100 listed contracts on Oct 2, 2026, +0.8% 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.