Data through close

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

As of close · rank #1333 by open interest · snapshot page

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BXP's nearest-expiration max pain is 65.00 for 2026-10-16, its GEX flip is 66.65, net GEX is -1,501,012, its put/call open-interest ratio is 1.00. These are whole-chain derived aggregates as of Oct 2, 2026 close.

Close
60.45
prev 60.24
Gamma max
73.83
+22.1% from close
Delta neutral
63.95
+5.8% from close
Gamma neutral
66.65
+10.2% from close
Open interest
28,053
+1.7% vs prev
Contracts listed
110
57 calls · 56 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
65.00
+7.5% from close
2026-10-16
GEX flip
66.65
+10.2% from close
Net GEX
-1,501,012
-5,350,630 per 100k OI
Call wall
70.00
+15.8% from close
Put wall
65.00
+7.5% from close
Put/call OI
1.00
14,055 puts / 13,998 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
65.6
within trailing 52-week range
Front / back ATM IV
+30.7% / +33.5%
-2.8 pp front premium
Expected move
+6.0%
14 DTE · one standard deviation
ATM straddle / spot
+4.5%
front-window midpoint premium
25Δ risk reversal
-58.2 pp
put IV minus call IV
IV butterfly
-7.0 pp
front-window smile convexity
Volume / open interest
0.00
105 contracts traded
Normalized net delta
-0.135
option-holder convention
Modeled dealer delta
0.135
opposite-side scenario
Vanna / 100k OI
2,987
volatility-sensitive delta
Charm / 100k OI
-89,363
time-decay-sensitive delta
IV surface range
138.2 pp
published contour maximum minus minimum

Download the complete dated analysis JSON .

BXP closed 22.1% below its gamma max of 73.83. It is 5.8% below the delta neutral price of 63.95. Total open interest is 28,053, +1.7% 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

← ALOY (#1332) SFIX (#1334) →

Questions people ask about BXP

Where is BXP's gamma max today?

As of Oct 2, 2026, the gamma max for BXP is 73.83, +22.1% from the 60.45 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 BXP above or below its delta neutral price?

BXP closed below delta neutral: 60.45 against a delta neutral price of 63.95. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does BXP have?

28,053 contracts of open interest across 110 listed contracts on Oct 2, 2026, +1.7% 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.