# AMPX: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 9.67 |
| Delta neutral (USD/share) | 11.03 |
| Gamma neutral (USD/share) | 9.67 |
| Gamma max (USD/share) | 16.80 |
| Open interest (contracts) | 324,464 |
| Nearest-expiration max pain (USD/share) | 9.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 13.00 |
| Net gamma exposure | 2,000,376 |
| Call wall (USD/share) | 15.00 |
| Put wall (USD/share) | 10.00 |
| Put/call open-interest ratio | 0.54 |
| Options catalyst-intensity score (0–100) | 43.7 |
| Options directional score (-100 to +100) | -19.0 |
| IV rank | 26.9 |
| Front ATM IV | +76.5% |
| Front-minus-back IV | -9.8 pp |
| Front expected move | +10.6% |
| Front ATM straddle / spot | +7.8% |
| Front 25-delta risk reversal | 215.3 pp |
| Call OI change, 1 session | -7,288 contracts · -3.3% |
| Put OI change, 1 session | -547 contracts · -0.5% |
| Call minus put OI growth, 1 session | -2.9 pp |
| Call OI change, 5 sessions | +7,446 contracts · +3.7% |
| Put OI change, 5 sessions | +1,716 contracts · +1.5% |
| Call minus put OI growth, 5 sessions | +2.1 pp |
| Daily call OI change surprise | -0.79σ (252 prior changes) |
| Daily put OI change surprise | -0.17σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.45σ (252 prior changes) |
| Daily open interest change (contracts) | -7,835 |
| Daily open interest change z-score (prior 252) | -0.61σ (252 prior changes) |
| Gamma max distance from close | +73.8% |
| Delta neutral distance from close | +14.1% |
| Prior-year sessions closer to gamma max | 88.9% of 252 |
| Prior-year sessions closer to delta neutral | 23.4% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 27 | +1.4% | -3.0% to +7.1% | 52% | -2.2% to +6.0% | 0.0% |
| above | Day +3 | 27 | +5.9% | -5.5% to +13.6% | 59% | -4.3% to +11.2% | 0.0% |
| above | Day +5 | 27 | +8.9% | -3.3% to +19.8% | 63% | -0.8% to +13.7% | 0.0% |
| above | Day +10 | 27 | +11.4% | -3.6% to +50.7% | 59% | -2.6% to +27.5% | 0.0% |
| below | Day +1 | 28 | -1.4% | -5.5% to +2.8% | 32% | -3.8% to 0.0% | 0.0% |
| below | Day +3 | 28 | +0.7% | -3.4% to +6.3% | 54% | -1.8% to +5.2% | 0.0% |
| below | Day +5 | 28 | +3.8% | -9.0% to +8.3% | 54% | -4.9% to +6.6% | 0.0% |
| below | Day +10 | 28 | +0.3% | -9.7% to +19.2% | 50% | -4.2% to +14.5% | 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/AMPX.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/AMPX.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/AMPX.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).