# ZIM: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 29.63 |
| Delta neutral (USD/share) | 28.08 |
| Gamma neutral (USD/share) | 25.56 |
| Gamma max (USD/share) | 30.96 |
| Open interest (contracts) | 235,067 |
| Nearest-expiration max pain (USD/share) | 29.50 (2026-10-09) |
| All-expiration max pain (USD/share) | 25.00 |
| Net gamma exposure | 5,830,433 |
| Confirmed GEX flip (USD/share) | 25.56 |
| Call wall (USD/share) | 30.00 |
| Put wall (USD/share) | 27.00 |
| Put/call open-interest ratio | 0.65 |
| Options catalyst-intensity score (0–100) | 80.2 |
| Options directional score (-100 to +100) | -21.9 |
| IV rank | 88.1 |
| Front ATM IV | +58.0% |
| Front-minus-back IV | 8.9 pp |
| Front expected move | +8.0% |
| Front ATM straddle / spot | +11.1% |
| Front 25-delta risk reversal | 119.3 pp |
| Call OI change, 1 session | -3,331 contracts · -2.3% |
| Put OI change, 1 session | -2,534 contracts · -2.7% |
| Call minus put OI growth, 1 session | +0.4 pp |
| Call OI change, 5 sessions | +2,891 contracts · +2.1% |
| Put OI change, 5 sessions | +756 contracts · +0.8% |
| Call minus put OI growth, 5 sessions | +1.2 pp |
| Daily call OI change surprise | -0.29σ (252 prior changes) |
| Daily put OI change surprise | -0.20σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.13σ (252 prior changes) |
| Daily open interest change (contracts) | -5,865 |
| Daily open interest change z-score (prior 252) | -0.26σ (252 prior changes) |
| Gamma max distance from close | +4.5% |
| Delta neutral distance from close | -5.2% |
| Prior-year sessions closer to gamma max | 16.7% of 252 |
| Prior-year sessions closer to delta neutral | 59.9% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 24 | +2.2% | -1.2% to +4.5% | 71% | +0.4% to +4.3% | +0.4% |
| above | Day +3 | 24 | +3.2% | -4.1% to +8.0% | 58% | -3.6% to +6.7% | 0.0% |
| above | Day +5 | 24 | +4.8% | -2.9% to +6.6% | 63% | -1.0% to +6.5% | 0.0% |
| above | Day +10 | 24 | +4.0% | -2.4% to +12.1% | 58% | -1.9% to +8.8% | 0.0% |
| below | Day +1 | 25 | +0.5% | -3.2% to +2.0% | 52% | -2.9% to +1.8% | 0.0% |
| below | Day +3 | 25 | -1.3% | -6.4% to +4.0% | 48% | -5.7% to +3.9% | 0.0% |
| below | Day +5 | 25 | -0.4% | -4.6% to +3.3% | 48% | -3.4% to +2.8% | 0.0% |
| below | Day +10 | 25 | -0.3% | -6.6% to +11.1% | 48% | -6.3% to +9.2% | 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/ZIM.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ZIM.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/ZIM.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).