WU max pain, gamma exposure (GEX) & options open interest
As of close · rank #438 by open interest · 1,392 sessions of history since Dec 1, 2020
WU's nearest-expiration max pain is 6.00 for 2026-10-16, its GEX flip is 2.49, net GEX is 8,337,927, its put/call open-interest ratio is 0.25. These are whole-chain derived aggregates as of Oct 2, 2026 close.
Whole-chain analytics
Derived after the close from the same dated options chain. Signed gamma exposure uses calls positive and puts negative; it is a model convention, not observed dealer inventory.
Advanced options analysis
Complete derived 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: OI change 1.83σ · IV rank 93
WU closed 10.7% below its gamma max of 6.64. It is 14.8% above the delta neutral price of 5.11. Total open interest is 179,572, +15.8% versus the previous session. Its options catalyst-intensity score is 68.1 out of 100, led by OI change 1.83σ, IV rank 93. 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 | +24,478 contracts · +20.5% |
| Put OI change, 1 session | +17 contracts · +0.0% |
| Call minus put OI growth, 1 session | +20.5 pp |
| Call OI change, 5 sessions | +28,087 contracts · +24.3% |
| Put OI change, 5 sessions | +973 contracts · +2.8% |
| Call minus put OI growth, 5 sessions | +21.5 pp |
| Daily call OI change surprise | +2.14σ (252 prior changes) |
| Daily put OI change surprise | +0.02σ (252 prior changes) |
| Daily call-minus-put growth surprise | +3.38σ (252 prior changes) |
History
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Analysis visualizations
Derived from the 2026-10-02 options chain. Select an analysis to explore its chart.
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Gamma walls
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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 24 completed Day +10 paths · latest Jul 21, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 24 | +0.1% | -1.9% to +1.0% | 54% | -0.9% to +0.5% | 0.0% |
| Day +2 | 24 | -0.6% | -3.1% to +0.6% | 33% | -2.7% to +0.2% | 0.0% |
| Day +3 | 24 | -1.9% | -3.3% to +1.1% | 33% | -2.9% to +0.1% | 0.0% |
| Day +4 | 24 | -1.1% | -3.6% to +1.5% | 46% | -3.5% to +1.3% | 0.0% |
| Day +5 | 24 | -1.3% | -4.8% to +1.1% | 42% | -4.3% to +0.5% | 0.0% |
| Day +6 | 24 | -0.8% | -5.8% to +1.2% | 46% | -4.8% to +1.0% | 0.0% |
| Day +7 | 24 | -1.4% | -6.9% to +2.0% | 42% | -5.4% to +1.6% | 0.0% |
| Day +8 | 24 | -1.4% | -7.0% to +2.3% | 42% | -5.5% to +2.0% | 0.0% |
| Day +9 | 24 | -1.8% | -7.4% to +2.0% | 38% | -4.1% to +1.9% | 0.0% |
| Day +10 | 24 | -1.7% | -7.3% to +2.1% | 38% | -6.2% to +1.7% | 0.0% |
Crosses above gamma max 24 completed Day +10 paths · latest Jul 20, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 24 | -0.3% | -1.7% to +0.5% | 42% | -1.5% to +0.4% | 0.0% |
| Day +2 | 24 | -0.7% | -2.2% to 0.0% | 21% | -2.1% to -0.1% | -0.1% |
| Day +3 | 24 | -1.0% | -3.5% to +0.3% | 29% | -2.0% to 0.0% | 0.0% |
| Day +4 | 24 | -0.9% | -4.0% to +0.5% | 29% | -3.3% to -0.4% | -0.4% |
| Day +5 | 24 | -0.7% | -4.0% to +1.1% | 42% | -3.4% to +1.0% | 0.0% |
| Day +6 | 24 | -1.0% | -4.4% to +0.7% | 33% | -4.3% to +0.6% | 0.0% |
| Day +7 | 24 | -1.1% | -5.9% to +1.1% | 33% | -4.6% to +0.4% | 0.0% |
| Day +8 | 24 | -0.9% | -5.2% to +1.2% | 42% | -4.4% to +1.0% | 0.0% |
| Day +9 | 24 | -0.4% | -6.1% to +2.5% | 50% | -4.9% to +1.4% | 0.0% |
| Day +10 | 24 | -2.0% | -6.8% to +1.7% | 42% | -5.7% to +1.2% | 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 | 12 |
| Delta neutral crosses | 4 |
| Prior-year sessions closer to gamma max | 65.5% of 252 |
| Prior-year sessions closer to delta neutral | 76.6% of 252 |
| Open interest percentile (1y) | 60th |
| Daily open interest change versus prior year | +1.83σ (24,495 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +19.3% |
| Open interest change, 21 sessions | -0.3% |
| History available | Dec 1, 2020 → Oct 2, 2026 |
Recent crosses
- closed above delta neutral at 6.55 vs 6.23 (+4.9%)
- closed below delta neutral at 6.36 vs 6.54 (-2.8%)
- closed below gamma max at 8.47 vs 8.61 (-1.7%)
- closed above gamma max at 8.66 vs 8.53 (+1.5%)
- closed below gamma max at 8.87 vs 8.88 (-0.2%)
- closed above gamma max at 8.33 vs 8.12 (+2.5%)
- closed above delta neutral at 7.24 vs 7.02 (+3.0%)
- closed below delta neutral at 7.72 vs 7.82 (-1.3%)
- closed below gamma max at 9.90 vs 9.90 (-0.0%)
- closed above gamma max at 10.11 vs 10.05 (+0.6%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/WU
Questions people ask about WU
Where is WU's gamma max today?
As of Oct 2, 2026, the gamma max for WU is 6.64, +10.7% from the 6.00 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 WU above or below its delta neutral price?
WU closed above delta neutral: 6.00 against a delta neutral price of 5.11. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does WU have?
179,572 contracts of open interest across 82 listed contracts on Oct 2, 2026, +15.8% 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.