Data through close

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

As of close · rank #1814 by open interest · snapshot page

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ACHC's nearest-expiration max pain is 30.00 for 2026-10-16, its GEX flip is 16.81, net GEX is 1,022,841, its put/call open-interest ratio is 0.36. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
28.06
prev 26.93
Gamma max
29.53
+5.3% from close
Delta neutral
21.70
-22.7% from close
Gamma neutral
16.81
-40.1% from close
Open interest
14,254
+0.1% vs prev
Contracts listed
70
55 calls · 37 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
30.00
+6.9% from close
2026-10-16
GEX flip
16.81
-40.1% from close
Net GEX
1,022,841
7,175,814 per 100k OI
Call wall
30.00
+6.9% from close
Put wall
25.00
-10.9% from close
Put/call OI
0.36
3,737 puts / 10,517 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
0.0
within trailing 52-week range
Front / back ATM IV
– / –
– pp front premium
Expected move
–
– DTE · one standard deviation
ATM straddle / spot
–
front-window midpoint premium
25Δ risk reversal
12.6 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.03
398 contracts traded
Normalized net delta
0.294
option-holder convention
Modeled dealer delta
-0.279
opposite-side scenario
Vanna / 100k OI
2,077
volatility-sensitive delta
Charm / 100k OI
-5,704
time-decay-sensitive delta
IV surface range
25.8 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

ACHC closed 5.3% below its gamma max of 29.53. It is 22.7% above the delta neutral price of 21.70. Total open interest is 14,254, +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

← CADL (#1813) COHU (#1815) →

Questions people ask about ACHC

Where is ACHC's gamma max today?

As of Oct 2, 2026, the gamma max for ACHC is 29.53, +5.3% from the 28.06 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 ACHC above or below its delta neutral price?

ACHC closed above delta neutral: 28.06 against a delta neutral price of 21.70. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does ACHC have?

14,254 contracts of open interest across 70 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.