# MULL: options-positioning snapshot

Canonical: https://halfonadouble.com/stock/MULL
Data through: 2026-10-02 close
Publisher: Half on a Double

| Published field | Value |
| --- | --- |
| Close (USD/share) | 25.88 |
| Delta neutral (USD/share) | 17.86 |
| Gamma neutral (USD/share) | 12.58 |
| Gamma max (USD/share) | 27.70 |
| Open interest (contracts) | 160,129 |
| Nearest-expiration max pain (USD/share) | 23.00 (2026-10-16) |
| All-expiration max pain (USD/share) | 15.20 |
| Net gamma exposure | 4,506,905 |
| Confirmed GEX flip (USD/share) | 12.58 |
| Call wall (USD/share) | 34.00 |
| Put wall (USD/share) | 20.00 |
| Put/call open-interest ratio | 0.42 |
| Options catalyst-intensity score (0–100) | 50.0 |
| Options directional score (-100 to +100) | 9.8 |
| IV rank | 35.7 |
| Front ATM IV | +94.6% |
| Front-minus-back IV | -5.1 pp |
| Front expected move | +18.5% |
| Front ATM straddle / spot | +14.1% |
| Front 25-delta risk reversal | -0.1 pp |
| Call OI change, 1 session | +2,584 contracts · +2.3% |
| Put OI change, 1 session | +283 contracts · +0.6% |
| Call minus put OI growth, 1 session | +1.7 pp |
| Call OI change, 5 sessions | +2,750 contracts · +2.5% |
| Put OI change, 5 sessions | +1,664 contracts · +3.6% |
| Call minus put OI growth, 5 sessions | -1.1 pp |
| Daily call OI change surprise | +0.20σ (252 prior changes) |
| Daily put OI change surprise | +0.02σ (252 prior changes) |
| Daily call-minus-put growth surprise | — (185 prior changes) |
| Daily open interest change (contracts) | 2,867 |
| Daily open interest change z-score (prior 252) | +0.13σ (252 prior changes) |
| Gamma max distance from close | +7.0% |
| Delta neutral distance from close | -31.0% |
| Prior-year sessions closer to gamma max | 36.3% of 251 |
| Prior-year sessions closer to delta neutral | 61.8% of 251 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 22 | -0.1% | -4.8% to +5.3% | 45% | -4.1% to +4.1% | 0.0% |
| above | Day +3 | 22 | +5.5% | -5.2% to +9.6% | 55% | -4.8% to +9.4% | 0.0% |
| above | Day +5 | 22 | +2.0% | -13.2% to +14.5% | 55% | -10.9% to +14.4% | 0.0% |
| above | Day +10 | 21 | +16.0% | -3.2% to +31.6% | 71% | +8.3% to +29.3% | +8.3% |
| below | Day +1 | 20 | -1.9% | -3.7% to +2.2% | 35% | -3.3% to +2.2% | 0.0% |
| below | Day +3 | 20 | -2.8% | -12.9% to +4.2% | 40% | -12.9% to +3.6% | 0.0% |
| below | Day +5 | 19 | +0.8% | -8.5% to +8.9% | 53% | -7.6% to +5.3% | 0.0% |
| below | Day +10 | 19 | +9.5% | -8.4% to +32.2% | 63% | -7.4% to +21.3% | 0.0% |

Returns are close-to-close after the labelled number of subsequent trading sessions. Cohorts require gamma max to be within 10% of the close on both crossing sessions. Historical windows can overlap and are not independent observations, so interval coverage is not guaranteed.

- [Machine-readable snapshot](https://halfonadouble.com/api/v1/tickers/MULL.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/MULL.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/MULL.json?date=2026-10-02)

An em dash means unavailable, not zero. Values use the same display rounding as the HTML page. This is a current snapshot; full history and individual event paths are on the canonical page.

[Definitions and limitations](https://halfonadouble.com/methodology.md).