Data through close

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

As of close · rank #2169 by open interest · snapshot page

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ARCT's nearest-expiration max pain is 15.00 for 2026-10-16, its GEX flip is 16.29, net GEX is -493,116, its put/call open-interest ratio is 1.05. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
13.03
prev 13.21
Gamma max
17.70
+35.8% from close
Delta neutral
13.03
-0.0% from close
Gamma neutral
16.29
+25.0% from close
Open interest
8,875
0.0% vs prev
Contracts listed
45
34 calls · 22 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
15.00
+15.1% from close
2026-10-16
GEX flip
16.29
+25.0% from close
Net GEX
-493,116
-5,556,237 per 100k OI
Call wall
15.00
+15.1% from close
Put wall
12.50
-4.1% from close
Put/call OI
1.05
4,542 puts / 4,333 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
70.2
within trailing 52-week range
Front / back ATM IV
+65.1% / +89.0%
-24.0 pp front premium
Expected move
+12.7%
14 DTE · one standard deviation
ATM straddle / spot
+10.2%
front-window midpoint premium
25Δ risk reversal
-20.9 pp
put IV minus call IV
IV butterfly
– pp
front-window smile convexity
Volume / open interest
0.03
256 contracts traded
Normalized net delta
0.033
option-holder convention
Modeled dealer delta
-0.033
opposite-side scenario
Vanna / 100k OI
1,318
volatility-sensitive delta
Charm / 100k OI
-3,185,577
time-decay-sensitive delta
IV surface range
30.0 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

ARCT closed 35.8% below its gamma max of 17.70. It is right at the delta neutral price of 13.03. Total open interest is 8,875, 0.0% 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

← VPG (#2168) TDC (#2170) →

Questions people ask about ARCT

Where is ARCT's gamma max today?

As of Oct 2, 2026, the gamma max for ARCT is 17.70, +35.8% from the 13.03 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 ARCT above or below its delta neutral price?

ARCT closed above delta neutral: 13.03 against a delta neutral price of 13.03. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does ARCT have?

8,875 contracts of open interest across 45 listed contracts on Oct 2, 2026, 0.0% 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.