# OPEN: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 2.12 |
| Delta neutral (USD/share) | 1.21 |
| Gamma neutral (USD/share) | 1.59 |
| Gamma max (USD/share) | 2.52 |
| Open interest (contracts) | 922,215 |
| Nearest-expiration max pain (USD/share) | 2.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 3.00 |
| Net gamma exposure | 20,162,330 |
| Confirmed GEX flip (USD/share) | 1.59 |
| Call wall (USD/share) | 3.00 |
| Put wall (USD/share) | 2.00 |
| Put/call open-interest ratio | 0.15 |
| Options catalyst-intensity score (0–100) | 65.6 |
| Options directional score (-100 to +100) | 40.2 |
| IV rank | 100.0 |
| Front-minus-back IV | – pp |
| Front 25-delta risk reversal | -26.0 pp |
| Call OI change, 1 session | -14,839 contracts · -1.8% |
| Put OI change, 1 session | -6,188 contracts · -4.8% |
| Call minus put OI growth, 1 session | +3.0 pp |
| Call OI change, 5 sessions | +14,887 contracts · +1.9% |
| Put OI change, 5 sessions | -1,230 contracts · -1.0% |
| Call minus put OI growth, 5 sessions | +2.9 pp |
| Daily call OI change surprise | -0.07σ (250 prior changes) |
| Daily put OI change surprise | -0.04σ (250 prior changes) |
| Daily call-minus-put growth surprise | +0.43σ (250 prior changes) |
| Daily open interest change (contracts) | -21,027 |
| Daily open interest change z-score (prior 252) | -0.07σ (252 prior changes) |
| Gamma max distance from close | +19.0% |
| Delta neutral distance from close | -42.9% |
| Prior-year sessions closer to gamma max | 73.8% of 252 |
| Prior-year sessions closer to delta neutral | 98.8% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 34 | -0.7% | -4.1% to +2.4% | 47% | -1.6% to +1.3% | 0.0% |
| above | Day +3 | 34 | -4.0% | -10.0% to +3.6% | 35% | -8.0% to +2.0% | 0.0% |
| above | Day +5 | 34 | -2.9% | -9.5% to +3.2% | 29% | -8.0% to -0.9% | -0.9% |
| above | Day +10 | 34 | -6.6% | -14.4% to +11.4% | 32% | -11.8% to -0.9% | -0.9% |
| below | Day +1 | 36 | -1.0% | -4.3% to +1.1% | 39% | -2.0% to +0.2% | 0.0% |
| below | Day +3 | 36 | -3.8% | -8.3% to -0.7% | 22% | -6.0% to -1.7% | -1.7% |
| below | Day +5 | 36 | -2.9% | -12.3% to +4.4% | 33% | -9.3% to -0.4% | -0.4% |
| below | Day +10 | 36 | -4.2% | -12.2% to +10.1% | 39% | -8.9% to +3.8% | 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/OPEN.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/OPEN.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/OPEN.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).