# GILD: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 156.19 |
| Delta neutral (USD/share) | 138.23 |
| Gamma neutral (USD/share) | 137.99 |
| Gamma max (USD/share) | 163.78 |
| Open interest (contracts) | 168,495 |
| Nearest-expiration max pain (USD/share) | 149.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 135.00 |
| Net gamma exposure | 14,412,214 |
| Confirmed GEX flip (USD/share) | 137.99 |
| Call wall (USD/share) | 165.00 |
| Put wall (USD/share) | 140.00 |
| Put/call open-interest ratio | 0.59 |
| Options catalyst-intensity score (0–100) | 59.3 |
| Options directional score (-100 to +100) | -10.5 |
| IV rank | 81.6 |
| Front-minus-back IV | 2.7 pp |
| Front 25-delta risk reversal | 7.4 pp |
| Call OI change, 1 session | +1,886 contracts · +1.8% |
| Put OI change, 1 session | -865 contracts · -1.4% |
| Call minus put OI growth, 1 session | +3.2 pp |
| Call OI change, 5 sessions | +7,318 contracts · +7.4% |
| Put OI change, 5 sessions | +7,195 contracts · +13.0% |
| Call minus put OI growth, 5 sessions | -5.6 pp |
| Daily call OI change surprise | +0.31σ (252 prior changes) |
| Daily put OI change surprise | -0.18σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.86σ (252 prior changes) |
| Daily open interest change (contracts) | 1,021 |
| Daily open interest change z-score (prior 252) | +0.12σ (252 prior changes) |
| Gamma max distance from close | +4.9% |
| Delta neutral distance from close | -11.5% |
| Prior-year sessions closer to gamma max | 38.5% of 252 |
| Prior-year sessions closer to delta neutral | 83.3% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 30 | +0.0% | -0.7% to +1.3% | 50% | -0.4% to +0.7% | 0.0% |
| above | Day +3 | 29 | -0.3% | -1.6% to +1.3% | 38% | -1.0% to +0.9% | 0.0% |
| above | Day +5 | 29 | +0.6% | -2.1% to +2.0% | 59% | -1.1% to +1.1% | 0.0% |
| above | Day +10 | 29 | +0.9% | -3.3% to +8.1% | 55% | -2.9% to +3.6% | 0.0% |
| below | Day +1 | 29 | -0.4% | -1.5% to +1.1% | 48% | -1.0% to +0.6% | 0.0% |
| below | Day +3 | 29 | +0.6% | -1.8% to +1.5% | 62% | -1.5% to +1.3% | 0.0% |
| below | Day +5 | 29 | -0.8% | -3.0% to +2.7% | 48% | -1.9% to +2.2% | 0.0% |
| below | Day +10 | 29 | +0.7% | -5.1% to +4.6% | 55% | -3.8% to +3.4% | 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/GILD.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/GILD.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/GILD.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).