Data through close

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

As of close · rank #1820 by open interest · snapshot page

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OPCH's nearest-expiration max pain is 20.00 for 2026-10-16, its GEX flip is 10.44, net GEX is 1,023,143, its put/call open-interest ratio is 0.14. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
22.65
prev 22.58
Gamma max
25.29
+11.7% from close
Delta neutral
17.78
-21.5% from close
Gamma neutral
10.44
-53.9% from close
Open interest
14,074
+0.6% vs prev
Contracts listed
44
35 calls · 21 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
20.00
-11.7% from close
2026-10-16
GEX flip
10.44
-53.9% from close
Net GEX
1,023,143
7,269,741 per 100k OI
Call wall
25.00
+10.4% from close
Put wall
22.50
-0.7% from close
Put/call OI
0.14
1,682 puts / 12,392 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
80.2
within trailing 52-week range
Front / back ATM IV
+28.4% / +57.2%
-28.8 pp front premium
Expected move
+5.6%
14 DTE · one standard deviation
ATM straddle / spot
+4.3%
front-window midpoint premium
25Δ risk reversal
1.4 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.00
8 contracts traded
Normalized net delta
0.144
option-holder convention
Modeled dealer delta
-0.128
opposite-side scenario
Vanna / 100k OI
2,210
volatility-sensitive delta
Charm / 100k OI
-311,788
time-decay-sensitive delta
IV surface range
114.2 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

OPCH closed 11.7% below its gamma max of 25.29. It is 21.5% above the delta neutral price of 17.78. That is a fresh cross: the previous close was on the other side of gamma max. Total open interest is 14,074, +0.6% 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

← ADBG (#1819) NVD (#1821) →

Questions people ask about OPCH

Where is OPCH's gamma max today?

As of Oct 2, 2026, the gamma max for OPCH is 25.29, +11.7% from the 22.65 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 OPCH above or below its delta neutral price?

OPCH closed above delta neutral: 22.65 against a delta neutral price of 17.78. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does OPCH have?

14,074 contracts of open interest across 44 listed contracts on Oct 2, 2026, +0.6% 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.