# ANNX: options-positioning snapshot

Canonical: https://halfonadouble.com/stock/ANNX
Data through: 2026-11-13 close
Publisher: Half on a Double

| Published field | Value |
| --- | --- |
| Close (USD/share) | 3.92 |
| Delta neutral (USD/share) | 1.88 |
| Gamma neutral (USD/share) | 0.82 |
| Gamma max (USD/share) | 3.74 |
| Open interest (contracts) | 109,551 |
| Nearest-expiration max pain (USD/share) | 4.00 (2026-11-20) |
| All-expiration max pain (USD/share) | 5.00 |
| Net gamma exposure | 2,736,105 |
| Confirmed GEX flip (USD/share) | 0.82 |
| Call wall (USD/share) | 4.00 |
| Put wall (USD/share) | 5.00 |
| Put/call open-interest ratio | 0.40 |
| Net GEX sign history | positive for the last 316 sessions; negative on 0 of the past 252 |
| Max pain expiration record (past 252 sessions) | expiration close nearer the prior-session max pain on 0 of 12 expirations (0%); median distance 22.92% vs 2.59% for an unchanged prior close |
| Options catalyst-intensity score (0–100) | 24.9 |
| Options directional score (-100 to +100) | 31.7 |
| IV rank | 1.7 |
| Front-minus-back IV | -109.4 pp |
| Front 25-delta risk reversal | -69.6 pp |
| Call OI change, 1 session | -1,342 contracts · -1.7% |
| Put OI change, 1 session | +19 contracts · +0.1% |
| Call minus put OI growth, 1 session | -1.7 pp |
| Call OI change, 5 sessions | +3,937 contracts · +5.3% |
| Put OI change, 5 sessions | +848 contracts · +2.8% |
| Call minus put OI growth, 5 sessions | +2.5 pp |
| Daily call OI change surprise | -0.92σ (252 prior changes) |
| Daily put OI change surprise | -0.09σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.12σ (252 prior changes) |
| Daily open interest change (contracts) | -1,323 |
| Daily open interest change z-score (prior 252) | -0.70σ (252 prior changes) |
| Gamma max distance from close | -4.7% |
| Delta neutral distance from close | -52.1% |
| Prior-year sessions closer to gamma max | 11.9% of 252 |
| Prior-year sessions closer to delta neutral | 19.4% of 252 |

## Recent expirations vs max pain

| Expiration | Max pain (session before) | Prior close | Expiration close | Close vs max pain | Nearer |
| --- | ---: | ---: | ---: | ---: | --- |
| 2026-10-16 | 5.00 | 3.60 | 3.41 | -44.17% | Prior close |
| 2026-09-18 | 4.00 | 4.17 | 4.23 | +5.52% | Prior close |
| 2026-08-21 | 6.00 | 5.18 | 5.07 | -17.95% | Prior close |
| 2026-07-17 | 4.00 | 5.89 | 5.80 | +30.56% | Prior close |
| 2026-06-18 | 5.00 | 4.94 | 4.90 | -2.02% | Prior close |
| 2026-05-15 | 6.00 | 5.39 | 5.22 | -14.48% | Prior close |
| 2026-04-17 | 4.00 | 6.33 | 6.54 | +40.13% | Prior close |
| 2026-03-20 | 4.00 | 5.49 | 5.11 | +20.22% | Prior close |
| 2026-02-20 | 6.00 | 5.10 | 4.90 | -21.57% | Prior close |
| 2026-01-16 | 3.00 | 6.16 | 6.07 | +49.84% | Prior close |

Each expiration compares the last session before it, when it was the nearest expiration, with the expiration-session close; distances are percentages of that prior close. Underlying closes are not option settlement values. Descriptive history, not a forecast.

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 19 | -2.3% | -6.3% to -0.1% | 26% | -5.9% to -0.3% | -0.3% |
| above | Day +3 | 19 | -5.5% | -11.3% to -1.9% | 16% | -11.0% to -2.0% | -2.0% |
| above | Day +5 | 19 | -3.7% | -11.7% to +2.3% | 26% | -11.3% to 0.0% | 0.0% |
| above | Day +10 | 19 | -3.6% | -13.1% to -0.5% | 21% | -12.2% to -0.6% | -0.6% |
| below | Day +1 | 25 | -1.1% | -3.0% to +1.6% | 36% | -2.8% to +0.8% | 0.0% |
| below | Day +3 | 25 | -2.2% | -7.3% to +1.0% | 32% | -6.0% to +0.8% | 0.0% |
| below | Day +5 | 25 | -4.9% | -8.5% to 0.0% | 24% | -7.1% to -2.3% | -2.3% |
| below | Day +10 | 25 | -4.7% | -11.9% to +2.0% | 28% | -11.0% to -1.6% | -1.6% |

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/ANNX.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ANNX.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/ANNX.json?date=2026-11-13&public_schema=5)

An em dash means unavailable, not zero. Values use the same display rounding as the HTML page. This is a current snapshot; the 60-session close-versus-max-pain chart, full history and individual event paths are on the canonical page.

[Definitions and limitations](https://halfonadouble.com/methodology.md).