# ABCL: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 11.80 |
| Delta neutral (USD/share) | 8.85 |
| Gamma neutral (USD/share) | 8.88 |
| Gamma max (USD/share) | 13.78 |
| Open interest (contracts) | 125,379 |
| Nearest-expiration max pain (USD/share) | 13.00 (2026-11-20) |
| All-expiration max pain (USD/share) | 6.00 |
| Net gamma exposure | 1,626,131 |
| Confirmed GEX flip (USD/share) | 8.88 |
| Call wall (USD/share) | 12.00 |
| Put wall (USD/share) | 7.00 |
| Put/call open-interest ratio | 0.44 |
| Options catalyst-intensity score (0–100) | 42.4 |
| Options directional score (-100 to +100) | 19.4 |
| IV rank | 100.0 |
| Front-minus-back IV | 0.0 pp |
| Front 25-delta risk reversal | -3.6 pp |
| Call OI change, 1 session | -28,244 contracts · -24.5% |
| Put OI change, 1 session | -20,960 contracts · -35.3% |
| Call minus put OI growth, 1 session | +10.8 pp |
| Call OI change, 5 sessions | -27,589 contracts · -24.1% |
| Put OI change, 5 sessions | -20,470 contracts · -34.8% |
| Call minus put OI growth, 5 sessions | +10.7 pp |
| Daily call OI change surprise | -5.50σ (252 prior changes) |
| Daily put OI change surprise | -8.82σ (252 prior changes) |
| Daily call-minus-put growth surprise | +1.39σ (252 prior changes) |
| Daily open interest change (contracts) | -49,204 |
| Daily open interest change z-score (prior 252) | -7.15σ (252 prior changes) |
| Gamma max distance from close | +16.8% |
| Delta neutral distance from close | -25.0% |
| Prior-year sessions closer to gamma max | 73.0% of 252 |
| Prior-year sessions closer to delta neutral | 21.8% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 48 | -0.7% | -3.5% to +2.5% | 35% | -1.9% to 0.0% | 0.0% |
| above | Day +3 | 48 | -0.0% | -4.6% to +5.6% | 50% | -3.4% to +4.0% | 0.0% |
| above | Day +5 | 48 | +2.2% | -5.1% to +8.2% | 54% | -2.6% to +5.2% | 0.0% |
| above | Day +10 | 48 | +3.5% | -6.4% to +18.4% | 56% | -4.9% to +13.6% | 0.0% |
| below | Day +1 | 51 | 0.0% | -2.0% to +2.6% | 49% | -1.2% to +1.7% | 0.0% |
| below | Day +3 | 51 | +1.6% | -3.8% to +6.1% | 61% | -0.7% to +3.1% | 0.0% |
| below | Day +5 | 51 | 0.0% | -5.7% to +7.0% | 49% | -2.2% to +3.0% | 0.0% |
| below | Day +10 | 51 | +0.1% | -8.5% to +15.8% | 51% | -2.9% to +6.5% | 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/ABCL.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ABCL.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/ABCL.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).