Data through close

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

As of close · rank #2352 by open interest · snapshot page

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PTGX's nearest-expiration max pain is 95.00 for 2026-10-16, its GEX flip is 86.52, net GEX is 473,471, its put/call open-interest ratio is 0.34. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
140.06
prev 139.08
Gamma max
124.19
-11.3% from close
Delta neutral
100.99
-27.9% from close
Gamma neutral
86.52
-38.2% from close
Open interest
6,939
+0.1% vs prev
Contracts listed
85
70 calls · 38 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
95.00
-32.2% from close
2026-10-16
GEX flip
86.52
-38.2% from close
Net GEX
473,471
6,823,325 per 100k OI
Call wall
125.00
-10.8% from close
Put wall
80.00
-42.9% from close
Put/call OI
0.34
1,761 puts / 5,178 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
32.3
within trailing 52-week range
Front / back ATM IV
+50.4% / +38.9%
11.5 pp front premium
Expected move
+9.9%
14 DTE · one standard deviation
ATM straddle / spot
+8.2%
front-window midpoint premium
25Δ risk reversal
211.5 pp
put IV minus call IV
IV butterfly
-0.6 pp
front-window smile convexity
Volume / open interest
0.01
37 contracts traded
Normalized net delta
0.533
option-holder convention
Modeled dealer delta
-0.518
opposite-side scenario
Vanna / 100k OI
-3,199
volatility-sensitive delta
Charm / 100k OI
-101,917
time-decay-sensitive delta
IV surface range
53.3 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

PTGX closed 11.3% above its gamma max of 124.19. It is 27.9% above the delta neutral price of 100.99. Total open interest is 6,939, +0.1% 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

← SLVR (#2351) IMMX (#2353) →

Questions people ask about PTGX

Where is PTGX's gamma max today?

As of Oct 2, 2026, the gamma max for PTGX is 124.19, -11.3% from the 140.06 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 PTGX above or below its delta neutral price?

PTGX closed above delta neutral: 140.06 against a delta neutral price of 100.99. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does PTGX have?

6,939 contracts of open interest across 85 listed contracts on Oct 2, 2026, +0.1% 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.