Data through close

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

As of close · rank #1947 by open interest · snapshot page

PTC's nearest-expiration max pain is 140.00 for 2026-10-16, its GEX flip is 72.63, net GEX is 654,744, its put/call open-interest ratio is 0.51. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
144.03
prev 146.47
Gamma max
153.48
+6.6% from close
Delta neutral
115.07
-20.1% from close
Gamma neutral
72.63
-49.6% from close
Open interest
12,100
+9.8% vs prev
Contracts listed
142
91 calls · 68 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
140.00
-2.8% from close
2026-10-16
GEX flip
72.63
-49.6% from close
Net GEX
654,744
5,411,109 per 100k OI
Call wall
125.00
-13.2% from close
Put wall
140.00
-2.8% from close
Put/call OI
0.51
4,111 puts / 7,989 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
7.9
within trailing 52-week range
Front / back ATM IV
+49.2% / +48.7%
0.5 pp front premium
Expected move
+9.6%
14 DTE · one standard deviation
ATM straddle / spot
+7.1%
front-window midpoint premium
25Δ risk reversal
1.1 pp
put IV minus call IV
IV butterfly
8.3 pp
front-window smile convexity
Volume / open interest
0.13
1,593 contracts traded
Normalized net delta
0.350
option-holder convention
Modeled dealer delta
-0.350
opposite-side scenario
Vanna / 100k OI
-1,702
volatility-sensitive delta
Charm / 100k OI
-618,033
time-decay-sensitive delta
IV surface range
64.6 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

PTC closed 6.6% below its gamma max of 153.48. It is 20.1% above the delta neutral price of 115.07. That is a fresh cross: the previous close was on the other side of gamma max. Total open interest is 12,100, +9.8% 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

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In today's screens

Neighbours by open interest

Questions people ask about PTC

Where is PTC's gamma max today?

As of Oct 2, 2026, the gamma max for PTC is 153.48, +6.6% from the 144.03 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 PTC above or below its delta neutral price?

PTC closed above delta neutral: 144.03 against a delta neutral price of 115.07. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does PTC have?

12,100 contracts of open interest across 142 listed contracts on Oct 2, 2026, +9.8% 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.