Data through close

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

As of close · rank #1207 by open interest · snapshot page

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OPK's nearest-expiration max pain is 1.50 for 2026-10-16, net GEX is 1,014,776, its put/call open-interest ratio is 0.04. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
1.56
prev 1.57
Gamma max
1.42
-9.0% from close
Delta neutral
0.55
-64.4% from close
Gamma neutral
1.56
0.0% from close
Open interest
34,399
+0.1% vs prev
Contracts listed
22
30 calls · 15 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
1.50
-3.8% from close
2026-10-16
GEX flip
–
Net GEX
1,014,776
2,950,016 per 100k OI
Call wall
1.50
-3.8% from close
Put wall
1.50
-3.8% from close
Put/call OI
0.04
1,348 puts / 33,051 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
97.9
within trailing 52-week range
Front / back ATM IV
+139.9% / +51.1%
88.8 pp front premium
Expected move
+27.4%
14 DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
-12.4 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.01
258 contracts traded
Normalized net delta
0.729
option-holder convention
Modeled dealer delta
-0.719
opposite-side scenario
Vanna / 100k OI
-1,302
volatility-sensitive delta
Charm / 100k OI
-7,105
time-decay-sensitive delta
IV surface range
88.8 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

OPK closed 9.0% above its gamma max of 1.42. It is 64.4% above the delta neutral price of 0.55. Total open interest is 34,399, +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

← OBDC (#1206) ASTX (#1208) →

Questions people ask about OPK

Where is OPK's gamma max today?

As of Oct 2, 2026, the gamma max for OPK is 1.42, -9.0% from the 1.56 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 OPK above or below its delta neutral price?

OPK closed above delta neutral: 1.56 against a delta neutral price of 0.55. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does OPK have?

34,399 contracts of open interest across 22 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.