Data through close

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

As of close · rank #121 by open interest · 1,404 sessions of history since Dec 1, 2020

UNH's nearest-expiration max pain is 390.00 for 2026-10-23, its GEX flip is 371.44, net GEX is 26,014,881, its put/call open-interest ratio is 0.78. These are whole-chain derived aggregates as of Oct 16, 2026 close.

UNH max pain and GEX snapshot

End-of-day snapshot for . Nearest-expiration max pain uses the expiry shown on its card; GEX uses the whole chain. Missing values are unavailable, not zero.

Nearest-expiration max pain
390.00
-2.8% from close
Expiry: 2026-10-23
GEX flip
371.44
-7.5% from close
Net GEX
26,014,881
3,148,259 per 100k OI
Call wall
400.00
-0.4% from close
Put wall
350.00
-12.8% from close
Put/call OI
0.78
361,170 puts / 465,156 calls

Prices are in US dollars per share. Net GEX is modeled dollar-delta change per $1 underlying move. Max pain minimizes aggregate intrinsic payout for that expiration; it is not a closing-price forecast. Signed GEX uses calls positive and puts negative, a model convention rather than observed dealer inventory. The flip is a confirmed zero crossing; walls locate side-specific concentrations, not guaranteed support or resistance.

Learn how to read the max pain payout example, GEX chart, gamma flip and walls, and open interest versus trading volume.

Close
401.43
prev 406.67
Gamma max
439.71
+9.5% from close
Delta neutral
367.89
-8.4% from close
Gamma neutral
371.44
-7.5% from close
Open interest
826,326
-10.8% vs prev
Contracts listed
1,148
730 calls · 668 puts

Advanced options analysis

Public aggregate 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
55.4
cross-sectional score / 100
Directional score
-5.8
mixed positioning
IV rank
90.1
within trailing 52-week range
Front IV premium
7.3 pp
front minus back volatility difference
25Δ risk reversal
2.0 pp
put IV minus call IV
IV butterfly
2.5 pp
front-window smile convexity
Volume / open interest
0.11
101,116 contracts traded
Normalized net delta
0.148
option-holder convention
Modeled dealer delta
-0.140
opposite-side scenario
Vanna / 100k OI
2,257
volatility-sensitive delta
Charm / 100k OI
-1,627,578
time-decay-sensitive delta
IV surface range
92.4 pp
aggregate volatility dispersion

Strongest relative signals: volume/OI 0.11 · front IV premium 7.3 pp

Download the dated aggregate analysis JSON .

UNH closed 9.5% below its gamma max of 439.71. It is 8.4% above the delta neutral price of 367.89. Total open interest is 826,326, -10.8% versus the previous session. Its options catalyst-intensity score is 55.4 out of 100, led by volume/OI 0.11, front IV premium 7.3 pp. What gamma max means · What delta neutral means

Call versus put open interest changes

Growth compares outstanding contracts on each side. A positive growth gap favors calls; a negative gap favors puts. Standardized surprises compare each measure with its own prior history. These describe the OI balance, not IV skew or buying direction.

UNH call and put open interest changes
Measure Value
Call OI change, 1 session -48,096 contracts · -9.4%
Put OI change, 1 session -51,808 contracts · -12.5%
Call minus put OI growth, 1 session +3.2 pp
Call OI change, 5 sessions -78 contracts · -0.0%
Put OI change, 5 sessions -14,911 contracts · -4.0%
Call minus put OI growth, 5 sessions +3.9 pp
Daily call OI change surprise -1.29σ (252 prior changes)
Daily put OI change surprise -2.21σ (252 prior changes)
Daily call-minus-put growth surprise +2.25σ (252 prior changes)

History

2025-10 2026-10
close delta neutral gamma max
Full history since 2020: drag to pan, scroll to zoom, hover for values. Open full-screen chart

Analysis visualizations

Daily ticker aggregates through 2026-10-16. The max pain curve pools all listed expirations; individual contracts are outside the public dataset.

Aggregate IV history

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Swipe chart sideways to see the full range.

What followed prior gamma-max crosses?

Each historical path starts at 0% on the cross date and follows the close for ten subsequent trading sessions. Cohorts use the same direction as labelled and require gamma max to be within 10% of the close on both crossing sessions.

Crosses below gamma max 11 completed Day +10 paths · latest May 14, 2026
UNH returns after crossing below gamma max Historical close-to-close return paths from Day 0 through Day 10, with the median, middle fifty percent, and a nominal confidence interval for the median. -8.0% -4.0% 0% +4.0% +8.0% Cross on Jan 8, 2021 Cross on Apr 30, 2021 Cross on May 11, 2021 Cross on Oct 28, 2021 Cross on Dec 17, 2021 Cross on Feb 4, 2022 Cross on Apr 11, 2022 Cross on Apr 11, 2025 Cross on Jul 2, 2025 Cross on Sep 10, 2025 Cross on May 14, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
UNH historical gamma-max cross outcomes after closing below
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 11 -0.7% -1.0% to +0.7% 45% -1.3% to +1.1% 0.0%
Day +2 11 -0.3% -1.5% to +0.8% 36% -1.7% to +1.7% 0.0%
Day +3 11 -0.5% -1.5% to +0.9% 45% -2.3% to +1.4% 0.0%
Day +4 11 -0.7% -2.8% to +0.6% 36% -3.5% to +0.7% 0.0%
Day +5 11 -1.0% -3.0% to +0.2% 36% -3.3% to +0.3% 0.0%
Day +6 11 -1.1% -2.9% to +0.8% 36% -3.1% to +1.6% 0.0%
Day +7 11 -1.0% -3.2% to +0.8% 27% -3.5% to +1.6% 0.0%
Day +8 11 -1.6% -3.4% to +0.8% 27% -3.8% to +1.6% 0.0%
Day +9 11 -2.5% -4.3% to +0.6% 36% -4.4% to +1.0% 0.0%
Day +10 11 -3.2% -4.6% to +0.9% 45% -4.7% to +1.5% 0.0%
Crosses above gamma max 11 completed Day +10 paths · latest May 12, 2026
UNH returns after crossing above gamma max Historical close-to-close return paths from Day 0 through Day 10, with the median, middle fifty percent, and a nominal confidence interval for the median. -12.0% -6.0% 0% +6.0% +12.0% Cross on Jan 7, 2021 Cross on Apr 29, 2021 Cross on May 4, 2021 Cross on Oct 21, 2021 Cross on Dec 15, 2021 Cross on Feb 3, 2022 Cross on Apr 6, 2022 Cross on Apr 10, 2025 Cross on Jul 1, 2025 Cross on Sep 9, 2025 Cross on May 12, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
UNH historical gamma-max cross outcomes after closing above
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 11 -0.3% -0.6% to +0.9% 45% -0.7% to +1.0% 0.0%
Day +2 11 +0.7% -1.2% to +1.4% 55% -1.2% to +1.6% 0.0%
Day +3 11 +0.9% -2.0% to +1.4% 55% -2.1% to +1.5% 0.0%
Day +4 11 -0.0% -1.5% to +2.1% 45% -1.6% to +2.3% 0.0%
Day +5 11 -0.4% -3.2% to +0.5% 36% -4.0% to +1.0% 0.0%
Day +6 11 -1.8% -3.5% to +0.4% 36% -3.8% to +0.6% 0.0%
Day +7 11 -2.9% -3.6% to +0.7% 36% -3.8% to +1.0% 0.0%
Day +8 11 -2.0% -3.6% to +1.4% 36% -3.9% to +1.7% 0.0%
Day +9 11 -1.8% -3.8% to +1.6% 36% -4.9% to +2.3% 0.0%
Day +10 11 -0.2% -4.3% to +1.4% 36% -4.8% to +1.7% 0.0%

Returns are close-to-close after the labelled number of subsequent trading sessions. The confidence floor is the closest-to-zero bound of the order-statistic median interval; it is zero when that interval spans zero. Its coverage is nominally at least 90% under independent observations. Historical paths can overlap, so the interval and floor are descriptive uncertainty guides rather than formal coverage guarantees. Historical, not a forecast.

Last 252 sessions

UNH trailing historical statistics
Sessions closed above gamma max 1%
Gamma max crosses 2
Delta neutral crosses 14
Prior-year sessions closer to gamma max 48.4% of 252
Prior-year sessions closer to delta neutral 59.9% of 252
Open interest percentile (1y) 1th
Daily open interest change versus prior year -1.69σ (-99,904 contracts; 252 prior changes)
Open interest change, 5 sessions -1.8%
Open interest change, 21 sessions -14.3%
History available Dec 1, 2020 → Oct 16, 2026

Recent crosses

  1. closed below gamma max at 399.09 vs 402.19 (-0.8%)
  2. closed above gamma max at 396.39 vs 393.62 (+0.7%)
  3. closed above delta neutral at 281.36 vs 278.10 (+1.2%)
  4. closed below delta neutral at 280.44 vs 283.06 (-0.9%)
  5. closed above delta neutral at 285.49 vs 283.50 (+0.7%)
  6. closed below delta neutral at 277.15 vs 282.74 (-2.0%)
  7. closed above delta neutral at 285.25 vs 284.02 (+0.4%)
  8. closed below delta neutral at 286.48 vs 287.53 (-0.4%)
  9. closed above delta neutral at 286.66 vs 285.55 (+0.4%)
  10. closed below delta neutral at 282.34 vs 286.27 (-1.4%)

In today's screens

Neighbours by open interest

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Canonical source: https://halfonadouble.com/stock/UNH

Questions people ask about UNH

What is UNH's max pain for the nearest expiration?

As of Oct 16, 2026 close, nearest-expiration max pain is 390.00 for the 2026-10-23 expiration. It is a payout-minimizing strike for one expiration. An all-expiration pooled value is a different comparison, and neither establishes where the underlying will close. Max pain definition and worked payout example.

Our 2025 max-pain study compares historical Thursday levels with Friday underlying closes and an unchanged-price baseline. Its scope and results are separate from this current ticker snapshot.

What do UNH's gamma exposure and gamma flip show?

Signed net GEX is 26,014,881 as of Oct 16, 2026 close. The confirmed GEX flip is 371.44. These aggregate model outputs use calls positive and puts negative. Their sign does not identify dealers' actual positions or predict the next move. How to interpret GEX, gamma flip and walls.

Where is UNH's gamma max today?

As of Oct 16, 2026, the gamma max for UNH is 439.71, +9.5% from the 401.43 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 UNH above or below its delta neutral price?

UNH closed above delta neutral: 401.43 against a delta neutral price of 367.89. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does UNH have?

826,326 contracts of open interest across 1,148 listed contracts on Oct 16, 2026, -10.8% 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.