# OUST: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 44.39 |
| Delta neutral (USD/share) | 32.92 |
| Gamma neutral (USD/share) | 31.54 |
| Gamma max (USD/share) | 44.78 |
| Open interest (contracts) | 108,177 |
| Nearest-expiration max pain (USD/share) | 39.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 32.00 |
| Net gamma exposure | 3,892,567 |
| Confirmed GEX flip (USD/share) | 31.54 |
| Call wall (USD/share) | 50.00 |
| Put wall (USD/share) | 40.00 |
| Put/call open-interest ratio | 0.44 |
| Options catalyst-intensity score (0–100) | 56.2 |
| Options directional score (-100 to +100) | -9.1 |
| IV rank | 62.2 |
| Front ATM IV | +88.1% |
| Front-minus-back IV | -9.9 pp |
| Front expected move | +12.2% |
| Front ATM straddle / spot | +9.6% |
| Front 25-delta risk reversal | 13.8 pp |
| Call OI change, 1 session | -4,456 contracts · -5.6% |
| Put OI change, 1 session | -2,695 contracts · -7.6% |
| Call minus put OI growth, 1 session | +2.0 pp |
| Call OI change, 5 sessions | -1,257 contracts · -1.6% |
| Put OI change, 5 sessions | +162 contracts · +0.5% |
| Call minus put OI growth, 5 sessions | -2.1 pp |
| Daily call OI change surprise | -0.99σ (252 prior changes) |
| Daily put OI change surprise | -1.06σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.38σ (252 prior changes) |
| Daily open interest change (contracts) | -7,151 |
| Daily open interest change z-score (prior 252) | -1.05σ (252 prior changes) |
| Gamma max distance from close | +0.9% |
| Delta neutral distance from close | -25.8% |
| Prior-year sessions closer to gamma max | 3.2% of 252 |
| Prior-year sessions closer to delta neutral | 60.3% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 26 | +0.4% | -4.3% to +1.9% | 54% | -4.0% to +1.5% | 0.0% |
| above | Day +3 | 26 | -5.2% | -10.7% to +2.2% | 27% | -10.3% to -2.1% | -2.1% |
| above | Day +5 | 26 | -5.5% | -13.8% to +4.5% | 35% | -12.8% to +2.1% | 0.0% |
| above | Day +10 | 25 | -10.3% | -28.3% to +4.1% | 36% | -22.5% to +3.7% | 0.0% |
| below | Day +1 | 27 | -1.9% | -4.7% to +4.3% | 41% | -3.7% to +2.9% | 0.0% |
| below | Day +3 | 27 | -2.2% | -8.1% to +6.6% | 37% | -6.3% to +1.1% | 0.0% |
| below | Day +5 | 26 | -2.7% | -7.4% to +11.1% | 46% | -6.0% to +4.6% | 0.0% |
| below | Day +10 | 26 | -6.8% | -15.5% to +9.0% | 35% | -14.4% to +5.0% | 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/OUST.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/OUST.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/OUST.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).