CAT max pain, gamma exposure (GEX) & options open interest
As of close · rank #376 by open interest · 1,409 sessions of history since Dec 1, 2020
CAT's nearest-expiration max pain is 780.00 for 2026-10-30, its GEX flip is 768.06, net GEX is -5,320,717, its put/call open-interest ratio is 1.05. These are whole-chain derived aggregates as of Oct 23, 2026 close.
CAT 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.
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.
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.
Strongest relative signals: IV rank 100 · front IV premium 28.4 pp · volume/OI 0.11
CAT closed 36.0% below its gamma max of 934.66. It is 9.8% below the delta neutral price of 754.02. Total open interest is 225,709, -6.0% versus the previous session. Its options catalyst-intensity score is 72.5 out of 100, led by IV rank 100, front IV premium 28.4 pp, volume/OI 0.11. 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.
| Measure | Value |
|---|---|
| Call OI change, 1 session | -6,348 contracts · -5.5% |
| Put OI change, 1 session | -8,012 contracts · -6.5% |
| Call minus put OI growth, 1 session | +1.0 pp |
| Call OI change, 5 sessions | +2,390 contracts · +2.2% |
| Put OI change, 5 sessions | +1,530 contracts · +1.3% |
| Call minus put OI growth, 5 sessions | +0.9 pp |
| Daily call OI change surprise | -0.82σ (252 prior changes) |
| Daily put OI change surprise | -0.81σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.41σ (252 prior changes) |
History
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Analysis visualizations
Daily ticker aggregates through 2026-10-23. The max pain curve pools all listed expirations; individual contracts are outside the public dataset.
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Aggregate IV history
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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 27 completed Day +10 paths · latest Jun 26, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 27 | -0.0% | -0.8% to +1.0% | 48% | -0.6% to +1.0% | 0.0% |
| Day +2 | 27 | -0.3% | -1.2% to +1.3% | 44% | -0.9% to +0.9% | 0.0% |
| Day +3 | 27 | -0.7% | -1.6% to +1.7% | 44% | -1.2% to +1.1% | 0.0% |
| Day +4 | 27 | -0.2% | -1.5% to +1.8% | 48% | -1.2% to +0.9% | 0.0% |
| Day +5 | 27 | -0.2% | -2.1% to +1.7% | 48% | -1.9% to +1.2% | 0.0% |
| Day +6 | 27 | -0.0% | -2.2% to +2.3% | 48% | -1.7% to +2.0% | 0.0% |
| Day +7 | 27 | -0.1% | -2.4% to +3.4% | 48% | -1.5% to +2.5% | 0.0% |
| Day +8 | 27 | +0.9% | -2.0% to +5.1% | 52% | -1.1% to +4.6% | 0.0% |
| Day +9 | 27 | +0.6% | -2.6% to +5.7% | 52% | -1.7% to +5.2% | 0.0% |
| Day +10 | 27 | -1.2% | -4.3% to +6.0% | 44% | -4.0% to +4.0% | 0.0% |
Crosses above gamma max 26 completed Day +10 paths · latest Jun 25, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 26 | -0.2% | -0.8% to +0.8% | 42% | -0.6% to +0.5% | 0.0% |
| Day +2 | 26 | +0.1% | -1.4% to +1.8% | 50% | -1.2% to +1.4% | 0.0% |
| Day +3 | 26 | -0.1% | -1.8% to +2.0% | 42% | -1.5% to +1.3% | 0.0% |
| Day +4 | 26 | +0.6% | -1.8% to +3.0% | 54% | -1.7% to +1.9% | 0.0% |
| Day +5 | 26 | +0.8% | -2.2% to +2.9% | 54% | -1.6% to +2.5% | 0.0% |
| Day +6 | 26 | +1.2% | -2.7% to +2.5% | 54% | -2.1% to +2.0% | 0.0% |
| Day +7 | 26 | +0.1% | -2.6% to +3.3% | 50% | -1.7% to +1.8% | 0.0% |
| Day +8 | 26 | +0.4% | -2.7% to +4.5% | 54% | -2.4% to +2.9% | 0.0% |
| Day +9 | 26 | +0.7% | -2.7% to +4.8% | 58% | -1.4% to +4.6% | 0.0% |
| Day +10 | 26 | +1.6% | -2.9% to +5.1% | 58% | -1.5% to +4.9% | 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
| Sessions closed above gamma max | 3% |
| Gamma max crosses | 10 |
| Delta neutral crosses | 11 |
| Prior-year sessions closer to gamma max | 100.0% of 252 |
| Prior-year sessions closer to delta neutral | 76.6% of 252 |
| Open interest percentile (1y) | 51th |
| Daily open interest change versus prior year | -0.83σ (-14,360 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +1.8% |
| Open interest change, 21 sessions | -2.2% |
| History available | Dec 1, 2020 → Oct 23, 2026 |
Recent crosses
- closed below delta neutral at 772.78 vs 792.61 (-2.6%)
- closed above delta neutral at 800.47 vs 792.69 (+1.0%)
- closed below delta neutral at 796.18 vs 797.59 (-0.2%)
- closed above delta neutral at 798.57 vs 784.74 (+1.7%)
- closed below delta neutral at 784.00 vs 791.92 (-1.0%)
- closed above delta neutral at 792.28 vs 791.53 (+0.1%)
- closed below delta neutral at 797.36 vs 798.08 (-0.1%)
- closed above delta neutral at 827.90 vs 803.00 (+3.0%)
- closed below delta neutral at 816.15 vs 820.32 (-0.5%)
- closed above delta neutral at 814.81 vs 800.50 (+1.8%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/CAT
Questions people ask about CAT
What is CAT's max pain for the nearest expiration?
As of Oct 23, 2026 close, nearest-expiration max pain is 780.00 for the 2026-10-30 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 CAT's gamma exposure and gamma flip show?
Signed net GEX is -5,320,717 as of Oct 23, 2026 close. The confirmed GEX flip is 768.06. 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 CAT's gamma max today?
As of Oct 23, 2026, the gamma max for CAT is 934.66, +36.0% from the 687.00 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 CAT above or below its delta neutral price?
CAT closed below delta neutral: 687.00 against a delta neutral price of 754.02. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does CAT have?
225,709 contracts of open interest across 2,162 listed contracts on Oct 23, 2026, -6.0% 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.