Data through close

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

As of close · rank #1066 by open interest · snapshot page

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SPG's nearest-expiration max pain is 210.00 for 2026-10-16, its GEX flip is 209.49, net GEX is -1,855,075, its put/call open-interest ratio is 1.29. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
200.95
prev 200.81
Gamma max
230.03
+14.5% from close
Delta neutral
204.82
+1.9% from close
Gamma neutral
209.49
+4.2% from close
Open interest
43,403
+1.2% vs prev
Contracts listed
341
177 calls · 190 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
210.00
+4.5% from close
2026-10-16
GEX flip
209.49
+4.2% from close
Net GEX
-1,855,075
-4,274,070 per 100k OI
Call wall
210.00
+4.5% from close
Put wall
200.00
-0.5% from close
Put/call OI
1.29
24,470 puts / 18,933 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
11.6
within trailing 52-week range
Front / back ATM IV
+22.5% / +23.5%
-1.1 pp front premium
Expected move
+4.4%
14 DTE · one standard deviation
ATM straddle / spot
+3.3%
front-window midpoint premium
25Δ risk reversal
5.5 pp
put IV minus call IV
IV butterfly
6.0 pp
front-window smile convexity
Volume / open interest
0.01
413 contracts traded
Normalized net delta
-0.027
option-holder convention
Modeled dealer delta
0.026
opposite-side scenario
Vanna / 100k OI
3,601
volatility-sensitive delta
Charm / 100k OI
433,385
time-decay-sensitive delta
IV surface range
90.3 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

SPG closed 14.5% below its gamma max of 230.03. It is 1.9% below the delta neutral price of 204.82. Total open interest is 43,403, +1.2% 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

← MSOX (#1065) SHOE (#1067) →

Questions people ask about SPG

Where is SPG's gamma max today?

As of Oct 2, 2026, the gamma max for SPG is 230.03, +14.5% from the 200.95 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 SPG above or below its delta neutral price?

SPG closed below delta neutral: 200.95 against a delta neutral price of 204.82. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does SPG have?

43,403 contracts of open interest across 341 listed contracts on Oct 2, 2026, +1.2% 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.