Data through close

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

As of close · rank #565 by open interest · 1,403 sessions of history since Dec 1, 2020

AMKR's nearest-expiration max pain is 48.00 for 2026-10-23, its GEX flip is 50.67, net GEX is -3,009,860, its put/call open-interest ratio is 0.83. These are whole-chain derived aggregates as of Oct 16, 2026 close.

AMKR 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
48.00
+14.8% from close
Expiry: 2026-10-23
GEX flip
50.67
+21.2% from close
Net GEX
-3,009,860
-2,592,450 per 100k OI
Call wall
60.00
+43.5% from close
Put wall
45.00
+7.6% from close
Put/call OI
0.83
52,677 puts / 63,424 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
41.82
prev 44.05
Gamma max
66.67
+59.4% from close
Delta neutral
46.20
+10.5% from close
Gamma neutral
50.67
+21.2% from close
Open interest
116,101
-9.9% vs prev
Contracts listed
597
338 calls · 305 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
54.4
cross-sectional score / 100
Directional score
-7.5
mixed positioning
IV rank
100.0
within trailing 52-week range
Front IV premium
2.6 pp
front minus back volatility difference
25Δ risk reversal
2.6 pp
put IV minus call IV
IV butterfly
8.3 pp
front-window smile convexity
Volume / open interest
0.04
5,544 contracts traded
Normalized net delta
-0.084
option-holder convention
Modeled dealer delta
0.084
opposite-side scenario
Vanna / 100k OI
2,894
volatility-sensitive delta
Charm / 100k OI
1,381,902
time-decay-sensitive delta
IV surface range
48.1 pp
aggregate volatility dispersion

Strongest relative signals: IV rank 100 · smile convexity 8.3 pp

Download the dated aggregate analysis JSON .

AMKR closed 59.4% below its gamma max of 66.67. It is 10.5% below the delta neutral price of 46.20. Total open interest is 116,101, -9.9% versus the previous session. Its options catalyst-intensity score is 54.4 out of 100, led by IV rank 100, smile convexity 8.3 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.

AMKR call and put open interest changes
Measure Value
Call OI change, 1 session -7,936 contracts · -11.1%
Put OI change, 1 session -4,884 contracts · -8.5%
Call minus put OI growth, 1 session -2.6 pp
Call OI change, 5 sessions -4,587 contracts · -6.7%
Put OI change, 5 sessions +1,934 contracts · +3.8%
Call minus put OI growth, 5 sessions -10.6 pp
Daily call OI change surprise -1.43σ (252 prior changes)
Daily put OI change surprise -0.79σ (252 prior changes)
Daily call-minus-put growth surprise -0.03σ (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 24 completed Day +10 paths · latest Jun 23, 2026
AMKR 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. -18.0% -9.0% 0% +9.0% +18.0% Cross on Jan 25, 2021 Cross on Feb 16, 2021 Cross on Apr 6, 2021 Cross on Aug 10, 2021 Cross on Jan 4, 2022 Cross on Aug 9, 2022 Cross on Aug 17, 2022 Cross on Nov 9, 2022 Cross on Jun 8, 2023 Cross on Jun 16, 2023 Cross on Jun 29, 2023 Cross on Jul 3, 2023 Cross on Sep 6, 2023 Cross on Dec 19, 2023 Cross on Jan 23, 2024 Cross on Mar 8, 2024 Cross on Sep 17, 2025 Cross on Sep 30, 2025 Cross on Oct 10, 2025 Cross on Oct 28, 2025 Cross on Nov 4, 2025 Cross on Dec 15, 2025 Cross on Dec 26, 2025 Cross on Jun 23, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
AMKR historical gamma-max cross outcomes after closing below
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 24 -0.8% -3.6% to +2.2% 42% -3.3% to +1.5% 0.0%
Day +2 24 -0.6% -2.5% to +0.7% 33% -2.4% to +0.5% 0.0%
Day +3 24 -2.2% -5.3% to +0.8% 29% -5.2% to -0.3% -0.3%
Day +4 24 -2.4% -6.0% to +6.2% 38% -5.1% to +1.4% 0.0%
Day +5 24 -1.7% -5.8% to +5.7% 33% -5.7% to +0.8% 0.0%
Day +6 24 -2.4% -6.1% to +8.2% 38% -5.9% to +5.0% 0.0%
Day +7 24 -4.3% -8.4% to +8.1% 42% -7.2% to +6.4% 0.0%
Day +8 24 -3.6% -6.5% to +5.9% 29% -5.3% to -0.5% -0.5%
Day +9 24 -0.9% -8.8% to +6.8% 42% -8.6% to +0.8% 0.0%
Day +10 24 -3.1% -9.6% to +6.9% 42% -8.9% to +5.3% 0.0%
Crosses above gamma max 28 completed Day +10 paths · latest Jun 18, 2026
AMKR 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. -26.0% -13.0% 0% +13.0% +26.0% Cross on Jan 11, 2021 Cross on Feb 8, 2021 Cross on Apr 5, 2021 Cross on Aug 4, 2021 Cross on Jan 3, 2022 Cross on Aug 2, 2022 Cross on Aug 12, 2022 Cross on Nov 8, 2022 Cross on Nov 10, 2022 Cross on May 26, 2023 Cross on Jun 15, 2023 Cross on Jun 27, 2023 Cross on Jun 30, 2023 Cross on Aug 31, 2023 Cross on Nov 14, 2023 Cross on Dec 8, 2023 Cross on Jan 22, 2024 Cross on Mar 7, 2024 Cross on Sep 9, 2025 Cross on Sep 18, 2025 Cross on Oct 1, 2025 Cross on Oct 17, 2025 Cross on Nov 3, 2025 Cross on Dec 2, 2025 Cross on Dec 19, 2025 Cross on Jan 2, 2026 Cross on Apr 13, 2026 Cross on Jun 18, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
AMKR historical gamma-max cross outcomes after closing above
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 28 +0.6% -0.8% to +2.9% 61% -0.0% to +1.9% 0.0%
Day +2 28 +1.1% -2.0% to +3.1% 61% -0.7% to +2.1% 0.0%
Day +3 28 +1.7% -2.7% to +5.5% 61% -1.4% to +3.7% 0.0%
Day +4 28 +0.8% -3.3% to +8.2% 64% -0.3% to +3.3% 0.0%
Day +5 28 -0.2% -5.9% to +9.8% 46% -3.1% to +7.7% 0.0%
Day +6 28 +0.1% -6.6% to +11.4% 54% -1.8% to +7.0% 0.0%
Day +7 28 -1.0% -4.7% to +13.9% 46% -4.1% to +10.0% 0.0%
Day +8 28 +3.9% -5.5% to +11.8% 57% -2.6% to +9.0% 0.0%
Day +9 28 +1.9% -4.9% to +14.8% 61% -3.6% to +10.3% 0.0%
Day +10 28 +1.9% -8.0% to +12.9% 57% -2.1% to +11.8% 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

AMKR trailing historical statistics
Sessions closed above gamma max 20%
Gamma max crosses 26
Delta neutral crosses 17
Prior-year sessions closer to gamma max 96.4% of 252
Prior-year sessions closer to delta neutral 41.3% of 252
Open interest percentile (1y) 40th
Daily open interest change versus prior year -1.16σ (-12,820 contracts; 252 prior changes)
Open interest change, 5 sessions -2.2%
Open interest change, 21 sessions -15.9%
History available Dec 1, 2020 → Oct 16, 2026

Recent crosses

  1. closed below delta neutral at 47.61 vs 48.06 (-1.0%)
  2. closed above delta neutral at 47.95 vs 47.76 (+0.4%)
  3. closed below delta neutral at 47.12 vs 47.54 (-0.9%)
  4. closed above delta neutral at 47.77 vs 47.68 (+0.2%)
  5. closed below delta neutral at 47.88 vs 48.06 (-0.4%)
  6. closed above delta neutral at 51.74 vs 49.39 (+4.5%)
  7. closed below delta neutral at 47.90 vs 48.45 (-1.1%)
  8. closed above delta neutral at 50.26 vs 48.51 (+3.5%)
  9. closed below delta neutral at 50.89 vs 52.45 (-3.1%)
  10. closed above delta neutral at 55.87 vs 52.92 (+5.3%)

In today's screens

Neighbours by open interest

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

Questions people ask about AMKR

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

As of Oct 16, 2026 close, nearest-expiration max pain is 48.00 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 AMKR's gamma exposure and gamma flip show?

Signed net GEX is -3,009,860 as of Oct 16, 2026 close. The confirmed GEX flip is 50.67. 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 AMKR's gamma max today?

As of Oct 16, 2026, the gamma max for AMKR is 66.67, +59.4% from the 41.82 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 AMKR above or below its delta neutral price?

AMKR closed below delta neutral: 41.82 against a delta neutral price of 46.20. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does AMKR have?

116,101 contracts of open interest across 597 listed contracts on Oct 16, 2026, -9.9% 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.