Data through close

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

As of close · rank #360 by open interest · 1,404 sessions of history since Dec 1, 2020

SEDG's nearest-expiration max pain is 33.00 for 2026-10-23, its GEX flip is 27.00, net GEX is 3,588,998, its put/call open-interest ratio is 0.51. These are whole-chain derived aggregates as of Oct 16, 2026 close.

SEDG 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
33.00
+5.2% from close
Expiry: 2026-10-23
GEX flip
27.00
-13.9% from close
Net GEX
3,588,998
1,577,103 per 100k OI
Call wall
32.50
+3.6% from close
Put wall
30.00
-4.3% from close
Put/call OI
0.51
76,491 puts / 151,078 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
31.36
prev 31.43
Gamma max
41.56
+32.5% from close
Delta neutral
29.82
-4.9% from close
Gamma neutral
27.00
-13.9% from close
Open interest
227,569
-14.3% vs prev
Contracts listed
534
312 calls · 260 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
49.0
cross-sectional score / 100
Directional score
23.2
relatively bullish positioning
IV rank
100.0
within trailing 52-week range
Front IV premium
-2.6 pp
front minus back volatility difference
25Δ risk reversal
-12.2 pp
put IV minus call IV
IV butterfly
8.6 pp
front-window smile convexity
Volume / open interest
0.03
8,336 contracts traded
Normalized net delta
0.027
option-holder convention
Modeled dealer delta
-0.027
opposite-side scenario
Vanna / 100k OI
2,851
volatility-sensitive delta
Charm / 100k OI
22,870
time-decay-sensitive delta
IV surface range
63.6 pp
aggregate volatility dispersion

Strongest relative signals: IV rank 100 · smile convexity 8.6 pp · 25Δ risk reversal -12.2 pp

Download the dated aggregate analysis JSON .

SEDG closed 32.5% below its gamma max of 41.56. It is 4.9% above the delta neutral price of 29.82. Total open interest is 227,569, -14.3% versus the previous session. Its options catalyst-intensity score is 49.0 out of 100, led by IV rank 100, smile convexity 8.6 pp, 25Δ risk reversal -12.2 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.

SEDG call and put open interest changes
Measure Value
Call OI change, 1 session -22,216 contracts · -12.8%
Put OI change, 1 session -15,845 contracts · -17.2%
Call minus put OI growth, 1 session +4.3 pp
Call OI change, 5 sessions -17,019 contracts · -10.1%
Put OI change, 5 sessions -12,914 contracts · -14.4%
Call minus put OI growth, 5 sessions +4.3 pp
Daily call OI change surprise -2.72σ (252 prior changes)
Daily put OI change surprise -2.18σ (252 prior changes)
Daily call-minus-put growth surprise +1.30σ (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 9 completed Day +10 paths · latest Jun 3, 2026
SEDG 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. -32.0% -16.0% 0% +16.0% +32.0% Cross on Jan 7, 2021 Cross on Feb 16, 2023 Cross on May 9, 2025 Cross on Jul 7, 2025 Cross on Feb 25, 2026 Cross on Mar 23, 2026 Cross on May 18, 2026 Cross on May 22, 2026 Cross on Jun 3, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
SEDG historical gamma-max cross outcomes after closing below
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 9 -1.3% -3.1% to -1.1% 22% -3.4% to +2.0% 0.0%
Day +2 9 -3.8% -8.5% to +2.5% 44% -14.8% to +9.7% 0.0%
Day +3 9 -5.4% -9.6% to +7.6% 44% -9.7% to +14.1% 0.0%
Day +4 9 -3.1% -8.4% to +10.8% 44% -10.9% to +12.2% 0.0%
Day +5 9 +1.0% -8.4% to +11.0% 56% -10.6% to +22.4% 0.0%
Day +6 9 +3.6% -17.0% to +9.2% 56% -21.0% to +26.9% 0.0%
Day +7 9 +0.9% -17.9% to +11.0% 56% -19.4% to +19.5% 0.0%
Day +8 9 0.0% -18.5% to +4.3% 44% -18.7% to +18.1% 0.0%
Day +9 9 -3.5% -13.3% to +1.8% 44% -22.8% to +2.7% 0.0%
Day +10 9 -6.1% -15.0% to +3.8% 44% -15.8% to +9.1% 0.0%
Crosses above gamma max 8 completed Day +10 paths · latest May 26, 2026
SEDG 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. -24.0% -12.0% 0% +12.0% +24.0% Cross on Jan 6, 2021 Cross on Feb 15, 2023 Cross on Jul 3, 2025 Cross on Feb 24, 2026 Cross on Mar 20, 2026 Cross on May 15, 2026 Cross on May 21, 2026 Cross on May 26, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
SEDG historical gamma-max cross outcomes after closing above
Horizon n Median Middle 50% Above zero Nominal ≥90% median interval Confidence floor
Day +1 8 -2.8% -8.7% to -0.2% 25% -9.6% to +3.5% 0.0%
Day +2 8 -5.6% -8.7% to +2.6% 38% -11.3% to +3.4% 0.0%
Day +3 8 -1.2% -10.3% to +2.8% 38% -14.4% to +7.9% 0.0%
Day +4 8 -0.2% -4.8% to +3.3% 50% -10.9% to +7.1% 0.0%
Day +5 8 -1.8% -8.3% to +3.0% 50% -12.2% to +11.1% 0.0%
Day +6 8 -3.4% -9.2% to +7.1% 38% -11.9% to +14.6% 0.0%
Day +7 8 -0.9% -11.2% to +7.2% 38% -18.2% to +18.6% 0.0%
Day +8 8 -8.5% -12.0% to +4.6% 38% -15.2% to +17.5% 0.0%
Day +9 8 -7.0% -10.9% to +0.4% 25% -14.6% to +16.1% 0.0%
Day +10 8 -7.4% -11.8% to -2.5% 25% -12.8% to +0.1% 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

SEDG trailing historical statistics
Sessions closed above gamma max 4%
Gamma max crosses 10
Delta neutral crosses 14
Prior-year sessions closer to gamma max 75.0% of 252
Prior-year sessions closer to delta neutral 18.3% of 252
Open interest percentile (1y) 53th
Daily open interest change versus prior year -2.54σ (-38,061 contracts; 252 prior changes)
Open interest change, 5 sessions -11.6%
Open interest change, 21 sessions -28.7%
History available Dec 1, 2020 → Oct 16, 2026

Recent crosses

  1. closed above delta neutral at 31.43 vs 31.19 (+0.8%)
  2. closed below delta neutral at 30.52 vs 30.90 (-1.2%)
  3. closed above delta neutral at 33.09 vs 31.07 (+6.1%)
  4. closed below delta neutral at 30.87 vs 30.96 (-0.3%)
  5. closed above delta neutral at 33.08 vs 30.43 (+8.0%)
  6. closed below delta neutral at 29.88 vs 30.36 (-1.6%)
  7. closed above delta neutral at 30.83 vs 30.18 (+2.1%)
  8. closed below delta neutral at 33.90 vs 38.36 (-13.1%)
  9. closed below gamma max at 74.02 vs 75.02 (-1.3%)
  10. closed above gamma max at 70.75 vs 68.69 (+2.9%)

In today's screens

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Neighbours by open interest

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

Questions people ask about SEDG

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

As of Oct 16, 2026 close, nearest-expiration max pain is 33.00 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 SEDG's gamma exposure and gamma flip show?

Signed net GEX is 3,588,998 as of Oct 16, 2026 close. The confirmed GEX flip is 27.00. 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 SEDG's gamma max today?

As of Oct 16, 2026, the gamma max for SEDG is 41.56, +32.5% from the 31.36 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 SEDG above or below its delta neutral price?

SEDG closed above delta neutral: 31.36 against a delta neutral price of 29.82. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does SEDG have?

227,569 contracts of open interest across 534 listed contracts on Oct 16, 2026, -14.3% 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.