Data through close

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

As of close · rank #555 by open interest · 1,359 sessions of history since Dec 1, 2020

FCEL's nearest-expiration max pain is 16.00 for 2026-10-23, its GEX flip is 15.61, net GEX is -1,066,517, its put/call open-interest ratio is 0.51. These are whole-chain derived aggregates as of Oct 16, 2026 close.

FCEL 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
16.00
+23.1% from close
Expiry: 2026-10-23
GEX flip
15.61
+20.1% from close
Net GEX
-1,066,517
-889,602 per 100k OI
Call wall
20.00
+53.8% from close
Put wall
14.00
+7.7% from close
Put/call OI
0.51
40,350 puts / 79,537 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
13.00
prev 14.09
Gamma max
20.99
+61.5% from close
Delta neutral
14.19
+9.1% from close
Gamma neutral
15.61
+20.1% from close
Open interest
119,887
-45.6% vs prev
Contracts listed
392
274 calls · 209 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
62.1
cross-sectional score / 100
Directional score
-14.8
mixed positioning
IV rank
100.0
within trailing 52-week range
Front IV premium
4.4 pp
front minus back volatility difference
25Δ risk reversal
7.0 pp
put IV minus call IV
IV butterfly
-25.8 pp
front-window smile convexity
Volume / open interest
0.04
9,181 contracts traded
Normalized net delta
-0.088
option-holder convention
Modeled dealer delta
0.087
opposite-side scenario
Vanna / 100k OI
846
volatility-sensitive delta
Charm / 100k OI
344,447
time-decay-sensitive delta
IV surface range
52.8 pp
aggregate volatility dispersion

Strongest relative signals: smile convexity -25.8 pp · IV rank 100

Download the dated aggregate analysis JSON .

FCEL closed 61.5% below its gamma max of 20.99. It is 9.1% below the delta neutral price of 14.19. Total open interest is 119,887, -45.6% versus the previous session. Its options catalyst-intensity score is 62.1 out of 100, led by smile convexity -25.8 pp, IV rank 100. 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.

FCEL call and put open interest changes
Measure Value
Call OI change, 1 session -49,906 contracts · -38.6%
Put OI change, 1 session -50,398 contracts · -55.5%
Call minus put OI growth, 1 session +17.0 pp
Call OI change, 5 sessions -39,630 contracts · -33.3%
Put OI change, 5 sessions -55,512 contracts · -57.9%
Call minus put OI growth, 5 sessions +24.7 pp
Daily call OI change surprise -5.34σ (252 prior changes)
Daily put OI change surprise -12.86σ (252 prior changes)
Daily call-minus-put growth surprise +2.63σ (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 above gamma max 47 completed Day +10 paths · latest Jul 30, 2026
FCEL 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. -48.0% -24.0% 0% +24.0% +48.0% Cross on Dec 18, 2020 Cross on Jan 7, 2021 Cross on Jan 12, 2021 Cross on Jan 15, 2021 Cross on Jan 26, 2021 Cross on Feb 9, 2021 Cross on Mar 11, 2021 Cross on Jun 7, 2021 Cross on Sep 23, 2021 Cross on Oct 13, 2021 Cross on Oct 29, 2021 Cross on Nov 8, 2021 Cross on Nov 11, 2021 Cross on Feb 28, 2022 Cross on Aug 5, 2022 Cross on Aug 10, 2022 Cross on Aug 15, 2022 Cross on Jan 23, 2023 Cross on Feb 2, 2023 Cross on Jun 13, 2023 Cross on Dec 14, 2023 Cross on Feb 12, 2024 Cross on Sep 13, 2024 Cross on Sep 20, 2024 Cross on Nov 21, 2024 Cross on Nov 25, 2024 Cross on Nov 29, 2024 Cross on Jan 3, 2025 Cross on Jan 10, 2025 Cross on Jan 16, 2025 Cross on Apr 2, 2025 Cross on Apr 11, 2025 Cross on May 8, 2025 Cross on May 14, 2025 Cross on May 27, 2025 Cross on Jun 6, 2025 Cross on Sep 9, 2025 Cross on Oct 3, 2025 Cross on Oct 10, 2025 Cross on Jan 22, 2026 Cross on Apr 20, 2026 Cross on May 20, 2026 Cross on Jun 18, 2026 Cross on Jun 26, 2026 Cross on Jul 2, 2026 Cross on Jul 21, 2026 Cross on Jul 30, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
FCEL historical gamma-max cross outcomes after closing above
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 47 +1.0% -2.2% to +5.6% 60% -0.4% to +2.5% 0.0%
Day +2 47 +1.2% -7.2% to +8.4% 51% -3.1% to +3.9% 0.0%
Day +3 47 -2.4% -7.4% to +16.7% 45% -5.0% to +2.6% 0.0%
Day +4 47 -3.8% -9.9% to +14.1% 38% -8.1% to +0.4% 0.0%
Day +5 47 -6.1% -12.8% to +8.4% 30% -9.4% to -1.0% -1.0%
Day +6 47 -2.0% -16.2% to +10.0% 43% -9.2% to +5.7% 0.0%
Day +7 47 -4.8% -16.6% to +17.5% 47% -10.3% to +5.4% 0.0%
Day +8 47 -0.1% -17.9% to +15.3% 49% -12.5% to +10.5% 0.0%
Day +9 47 -1.4% -17.4% to +14.7% 47% -9.6% to +7.9% 0.0%
Day +10 47 -3.4% -17.4% to +18.3% 45% -13.9% to +5.8% 0.0%
Crosses below gamma max 46 completed Day +10 paths · latest Jul 28, 2026
FCEL 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. -46.0% -23.0% 0% +23.0% +46.0% Cross on Dec 30, 2020 Cross on Jan 8, 2021 Cross on Jan 13, 2021 Cross on Jan 20, 2021 Cross on Jan 27, 2021 Cross on Feb 10, 2021 Cross on Feb 25, 2021 Cross on Mar 12, 2021 Cross on Jun 9, 2021 Cross on Sep 24, 2021 Cross on Oct 20, 2021 Cross on Nov 3, 2021 Cross on Nov 10, 2021 Cross on Nov 16, 2021 Cross on Feb 16, 2022 Cross on Mar 2, 2022 Cross on Aug 9, 2022 Cross on Aug 11, 2022 Cross on Aug 16, 2022 Cross on Jan 24, 2023 Cross on Feb 3, 2023 Cross on May 8, 2023 Cross on Jun 14, 2023 Cross on Dec 15, 2023 Cross on Feb 13, 2024 Cross on Sep 9, 2024 Cross on Sep 16, 2024 Cross on Sep 19, 2024 Cross on Nov 20, 2024 Cross on Nov 22, 2024 Cross on Dec 2, 2024 Cross on Jan 13, 2025 Cross on Mar 10, 2025 Cross on Apr 15, 2025 Cross on May 15, 2025 Cross on May 20, 2025 Cross on May 30, 2025 Cross on Sep 23, 2025 Cross on Oct 7, 2025 Cross on Jan 23, 2026 Cross on May 4, 2026 Cross on May 27, 2026 Cross on Jun 3, 2026 Cross on Jun 25, 2026 Cross on Jul 7, 2026 Cross on Jul 28, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
FCEL historical gamma-max cross outcomes after closing below
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 46 -1.9% -4.8% to +3.4% 41% -3.9% to +1.7% 0.0%
Day +2 46 -2.8% -6.4% to +8.2% 39% -5.3% to +3.2% 0.0%
Day +3 46 -3.9% -7.5% to +7.6% 41% -5.7% to +2.5% 0.0%
Day +4 46 -3.0% -11.2% to +5.1% 41% -6.7% to +3.4% 0.0%
Day +5 46 -0.9% -13.1% to +14.1% 48% -7.7% to +7.1% 0.0%
Day +6 46 -3.8% -11.8% to +18.1% 46% -9.7% to +10.2% 0.0%
Day +7 46 -1.5% -15.0% to +16.9% 48% -8.7% to +10.7% 0.0%
Day +8 46 +2.5% -16.4% to +14.6% 52% -8.1% to +12.4% 0.0%
Day +9 46 +0.6% -12.7% to +18.1% 52% -8.5% to +11.8% 0.0%
Day +10 46 +1.1% -14.3% to +18.0% 50% -6.9% to +12.1% 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

FCEL trailing historical statistics
Sessions closed above gamma max 15%
Gamma max crosses 22
Delta neutral crosses 3
Prior-year sessions closer to gamma max 100.0% of 252
Prior-year sessions closer to delta neutral 13.5% of 252
Open interest percentile (1y) 55th
Daily open interest change versus prior year -8.04σ (-100,304 contracts; 252 prior changes)
Open interest change, 5 sessions -44.2%
Open interest change, 21 sessions -36.1%
History available Dec 1, 2020 → Oct 16, 2026

Recent crosses

  1. closed below delta neutral at 17.25 vs 17.43 (-1.1%)
  2. closed below gamma max at 18.36 vs 20.71 (-12.8%)
  3. closed above gamma max at 20.65 vs 20.42 (+1.1%)
  4. closed above delta neutral at 14.95 vs 13.97 (+6.5%)
  5. closed below delta neutral at 14.40 vs 15.83 (-9.9%)
  6. closed below gamma max at 21.61 vs 24.93 (-15.4%)
  7. closed above gamma max at 23.62 vs 21.71 (+8.1%)
  8. closed below gamma max at 19.66 vs 20.56 (-4.6%)
  9. closed above gamma max at 21.64 vs 20.81 (+3.8%)
  10. closed below gamma max at 25.94 vs 28.04 (-8.1%)

In today's screens

Neighbours by open interest

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

Questions people ask about FCEL

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

As of Oct 16, 2026 close, nearest-expiration max pain is 16.00 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 FCEL's gamma exposure and gamma flip show?

Signed net GEX is -1,066,517 as of Oct 16, 2026 close. The confirmed GEX flip is 15.61. 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 FCEL's gamma max today?

As of Oct 16, 2026, the gamma max for FCEL is 20.99, +61.5% from the 13.00 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 FCEL above or below its delta neutral price?

FCEL closed below delta neutral: 13.00 against a delta neutral price of 14.19. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does FCEL have?

119,887 contracts of open interest across 392 listed contracts on Oct 16, 2026, -45.6% 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.