# EWZS: options-positioning snapshot

Canonical: https://halfonadouble.com/stock/EWZS
Data through: 2026-10-16 close
Publisher: Half on a Double

| Published field | Value |
| --- | --- |
| Close (USD/share) | 15.69 |
| Delta neutral (USD/share) | 8.32 |
| Gamma neutral (USD/share) | 5.04 |
| Gamma max (USD/share) | 16.64 |
| Open interest (contracts) | 157,601 |
| Nearest-expiration max pain (USD/share) | 14.00 (2026-11-20) |
| All-expiration max pain (USD/share) | 14.00 |
| Net gamma exposure | 21,078,025 |
| Confirmed GEX flip (USD/share) | 5.04 |
| Call wall (USD/share) | 18.00 |
| Put wall (USD/share) | 14.00 |
| Put/call open-interest ratio | 0.01 |
| Options catalyst-intensity score (0–100) | 52.5 |
| Options directional score (-100 to +100) | 3.3 |
| IV rank | 89.5 |
| Front-minus-back IV | 27.7 pp |
| Front 25-delta risk reversal | 20.2 pp |
| Call OI change, 1 session | -2,147 contracts · -1.4% |
| Put OI change, 1 session | -496 contracts · -34.9% |
| Call minus put OI growth, 1 session | +33.5 pp |
| Call OI change, 5 sessions | +103,071 contracts · +192.3% |
| Put OI change, 5 sessions | -351 contracts · -27.5% |
| Call minus put OI growth, 5 sessions | +219.8 pp |
| Daily call OI change surprise | -0.63σ (252 prior changes) |
| Daily put OI change surprise | -9.34σ (252 prior changes) |
| Daily call-minus-put growth surprise | — (7 prior changes) |
| Daily open interest change (contracts) | -2,643 |
| Daily open interest change z-score (prior 252) | -0.75σ (252 prior changes) |
| Gamma max distance from close | +6.0% |
| Delta neutral distance from close | -46.9% |
| Prior-year sessions closer to gamma max | 14.6% of 240 |
| Prior-year sessions closer to delta neutral | 82.1% of 240 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 9 | +0.2% | -1.0% to +1.9% | 56% | -1.4% to +2.2% | 0.0% |
| above | Day +3 | 9 | +1.8% | +0.9% to +5.2% | 89% | +0.4% to +7.5% | +0.4% |
| above | Day +5 | 9 | +4.0% | +2.3% to +8.6% | 78% | -1.3% to +9.6% | 0.0% |
| above | Day +10 | 9 | +5.0% | +1.4% to +8.6% | 100% | +0.9% to +13.0% | +0.9% |
| below | Day +1 | 10 | +0.4% | -0.2% to +1.2% | 70% | -1.0% to +2.7% | 0.0% |
| below | Day +3 | 10 | +1.0% | -3.5% to +3.6% | 50% | -4.9% to +4.7% | 0.0% |
| below | Day +5 | 9 | +3.1% | +2.3% to +5.7% | 78% | -4.4% to +7.2% | 0.0% |
| below | Day +10 | 9 | +2.1% | -0.8% to +9.3% | 67% | -2.4% to +11.8% | 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/EWZS.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/EWZS.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/EWZS.json?date=2026-10-16&public_schema=4)

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).