# AMGN: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 432.49 |
| Delta neutral (USD/share) | 392.81 |
| Gamma neutral (USD/share) | 389.90 |
| Gamma max (USD/share) | 447.84 |
| Open interest (contracts) | 106,559 |
| Nearest-expiration max pain (USD/share) | 417.50 (2026-10-23) |
| All-expiration max pain (USD/share) | 390.00 |
| Net gamma exposure | 6,004,466 |
| Confirmed GEX flip (USD/share) | 389.90 |
| Call wall (USD/share) | 440.00 |
| Put wall (USD/share) | 400.00 |
| Put/call open-interest ratio | 0.97 |
| Options catalyst-intensity score (0–100) | 47.0 |
| Options directional score (-100 to +100) | -23.3 |
| IV rank | 99.4 |
| Front-minus-back IV | 0.5 pp |
| Front 25-delta risk reversal | 4.7 pp |
| Call OI change, 1 session | -14,769 contracts · -21.4% |
| Put OI change, 1 session | -19,054 contracts · -26.7% |
| Call minus put OI growth, 1 session | +5.3 pp |
| Call OI change, 5 sessions | -8,922 contracts · -14.1% |
| Put OI change, 5 sessions | -14,953 contracts · -22.2% |
| Call minus put OI growth, 5 sessions | +8.1 pp |
| Daily call OI change surprise | -3.07σ (252 prior changes) |
| Daily put OI change surprise | -4.49σ (252 prior changes) |
| Daily call-minus-put growth surprise | +1.40σ (252 prior changes) |
| Daily open interest change (contracts) | -33,823 |
| Daily open interest change z-score (prior 252) | -3.90σ (252 prior changes) |
| Gamma max distance from close | +3.5% |
| Delta neutral distance from close | -9.2% |
| Prior-year sessions closer to gamma max | 31.0% of 252 |
| Prior-year sessions closer to delta neutral | 77.8% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 26 | -0.1% | -1.1% to +0.5% | 46% | -0.8% to +0.5% | 0.0% |
| above | Day +3 | 26 | +0.7% | -1.7% to +1.9% | 58% | -1.5% to +1.7% | 0.0% |
| above | Day +5 | 26 | +0.0% | -1.6% to +2.7% | 50% | -0.9% to +2.2% | 0.0% |
| above | Day +10 | 26 | +1.6% | -3.0% to +4.0% | 62% | -0.4% to +3.1% | 0.0% |
| below | Day +1 | 26 | -0.3% | -1.1% to +0.5% | 42% | -0.8% to +0.4% | 0.0% |
| below | Day +3 | 26 | +0.6% | -1.6% to +2.2% | 58% | -0.4% to +1.5% | 0.0% |
| below | Day +5 | 26 | -0.1% | -1.6% to +1.4% | 42% | -1.3% to +1.1% | 0.0% |
| below | Day +10 | 26 | +0.8% | -3.9% to +3.7% | 54% | -1.6% to +1.9% | 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/AMGN.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/AMGN.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/AMGN.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).