# IOVA: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 13.62 |
| Delta neutral (USD/share) | 10.87 |
| Gamma neutral (USD/share) | 10.09 |
| Gamma max (USD/share) | 15.29 |
| Open interest (contracts) | 407,481 |
| Nearest-expiration max pain (USD/share) | 12.50 (2026-10-23) |
| All-expiration max pain (USD/share) | 7.50 |
| Net gamma exposure | 3,685,211 |
| Confirmed GEX flip (USD/share) | 10.09 |
| Call wall (USD/share) | 15.00 |
| Put wall (USD/share) | 10.00 |
| Put/call open-interest ratio | 0.58 |
| Options catalyst-intensity score (0–100) | 54.1 |
| Options directional score (-100 to +100) | -19.5 |
| IV rank | 100.0 |
| Front-minus-back IV | -10.3 pp |
| Front 25-delta risk reversal | 54.2 pp |
| Call OI change, 1 session | -17,493 contracts · -6.4% |
| Put OI change, 1 session | -6,436 contracts · -4.1% |
| Call minus put OI growth, 1 session | -2.3 pp |
| Call OI change, 5 sessions | -13,826 contracts · -5.1% |
| Put OI change, 5 sessions | +8,628 contracts · +6.1% |
| Call minus put OI growth, 5 sessions | -11.2 pp |
| Daily call OI change surprise | -1.89σ (252 prior changes) |
| Daily put OI change surprise | -1.62σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.29σ (252 prior changes) |
| Daily open interest change (contracts) | -23,929 |
| Daily open interest change z-score (prior 252) | -2.06σ (252 prior changes) |
| Gamma max distance from close | +12.3% |
| Delta neutral distance from close | -20.2% |
| Prior-year sessions closer to gamma max | 85.7% of 252 |
| Prior-year sessions closer to delta neutral | 2.4% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 76 | -0.1% | -4.0% to +2.4% | 49% | -1.6% to +1.0% | 0.0% |
| above | Day +3 | 76 | +0.4% | -6.4% to +5.8% | 50% | -3.0% to +2.2% | 0.0% |
| above | Day +5 | 76 | -0.4% | -8.7% to +6.6% | 42% | -3.6% to +1.1% | 0.0% |
| above | Day +10 | 76 | -0.4% | -13.0% to +12.4% | 46% | -5.6% to +5.1% | 0.0% |
| below | Day +1 | 80 | -0.5% | -2.5% to +2.3% | 43% | -1.4% to +0.2% | 0.0% |
| below | Day +3 | 80 | -0.4% | -5.2% to +6.0% | 46% | -2.4% to +0.9% | 0.0% |
| below | Day +5 | 80 | -1.3% | -7.8% to +7.1% | 44% | -3.4% to +2.5% | 0.0% |
| below | Day +10 | 80 | -0.5% | -11.7% to +8.8% | 49% | -3.9% to +2.4% | 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/IOVA.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/IOVA.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/IOVA.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).