# ETHA: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 20.11 |
| Delta neutral (USD/share) | 17.79 |
| Gamma neutral (USD/share) | 16.69 |
| Gamma max (USD/share) | 21.73 |
| Open interest (contracts) | 2,012,406 |
| Nearest-expiration max pain (USD/share) | 20.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 17.00 |
| Net gamma exposure | 79,153,645 |
| Confirmed GEX flip (USD/share) | 16.69 |
| Call wall (USD/share) | 20.00 |
| Put wall (USD/share) | 20.00 |
| Put/call open-interest ratio | 0.58 |
| Options catalyst-intensity score (0–100) | 36.2 |
| Options directional score (-100 to +100) | -1.3 |
| IV rank | 26.8 |
| Front ATM IV | +42.1% |
| Front-minus-back IV | -7.0 pp |
| Front expected move | +5.8% |
| Front ATM straddle / spot | +4.3% |
| Front 25-delta risk reversal | 0.0 pp |
| Call OI change, 1 session | -39,826 contracts · -3.0% |
| Put OI change, 1 session | -95,771 contracts · -11.5% |
| Call minus put OI growth, 1 session | +8.4 pp |
| Call OI change, 5 sessions | +26,591 contracts · +2.1% |
| Put OI change, 5 sessions | -10,666 contracts · -1.4% |
| Call minus put OI growth, 5 sessions | +3.6 pp |
| Daily call OI change surprise | -0.48σ (252 prior changes) |
| Daily put OI change surprise | -1.50σ (252 prior changes) |
| Daily call-minus-put growth surprise | +2.16σ (252 prior changes) |
| Daily open interest change (contracts) | -135,597 |
| Daily open interest change z-score (prior 252) | -0.95σ (252 prior changes) |
| Gamma max distance from close | +8.0% |
| Delta neutral distance from close | -11.5% |
| Prior-year sessions closer to gamma max | 40.1% of 252 |
| Prior-year sessions closer to delta neutral | 75.4% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 9 | +1.4% | -1.3% to +2.5% | 67% | -5.3% to +4.7% | 0.0% |
| above | Day +3 | 9 | +0.2% | -5.5% to +10.5% | 56% | -8.3% to +16.6% | 0.0% |
| above | Day +5 | 9 | +6.0% | -8.9% to +8.1% | 67% | -10.1% to +17.4% | 0.0% |
| above | Day +10 | 9 | +11.1% | -11.3% to +18.8% | 67% | -12.5% to +29.6% | 0.0% |
| below | Day +1 | 9 | +0.3% | -1.2% to +1.3% | 56% | -2.3% to +3.0% | 0.0% |
| below | Day +3 | 9 | -0.7% | -1.2% to +4.4% | 44% | -5.4% to +7.6% | 0.0% |
| below | Day +5 | 9 | +0.9% | -3.5% to +10.4% | 56% | -8.3% to +17.0% | 0.0% |
| below | Day +10 | 9 | -1.0% | -3.0% to +1.2% | 33% | -10.7% to +26.5% | 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/ETHA.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ETHA.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/ETHA.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).