# BAC: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 51.23 |
| Delta neutral (USD/share) | 53.78 |
| Gamma neutral (USD/share) | 53.37 |
| Gamma max (USD/share) | 61.75 |
| Open interest (contracts) | 2,319,581 |
| Nearest-expiration max pain (USD/share) | 52.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 55.00 |
| Net gamma exposure | -54,229,000 |
| Confirmed GEX flip (USD/share) | 53.37 |
| Call wall (USD/share) | 55.00 |
| Put wall (USD/share) | 50.00 |
| Put/call open-interest ratio | 1.19 |
| Options catalyst-intensity score (0–100) | 57.2 |
| Options directional score (-100 to +100) | 7.3 |
| IV rank | 76.3 |
| Front-minus-back IV | 3.2 pp |
| Front 25-delta risk reversal | -132.4 pp |
| Call OI change, 1 session | -226,911 contracts · -17.6% |
| Put OI change, 1 session | -105,467 contracts · -7.7% |
| Call minus put OI growth, 1 session | -9.9 pp |
| Call OI change, 5 sessions | -48,724 contracts · -4.4% |
| Put OI change, 5 sessions | -57,157 contracts · -4.3% |
| Call minus put OI growth, 5 sessions | -0.1 pp |
| Daily call OI change surprise | -4.00σ (252 prior changes) |
| Daily put OI change surprise | -1.59σ (252 prior changes) |
| Daily call-minus-put growth surprise | -4.07σ (252 prior changes) |
| Daily open interest change (contracts) | -332,378 |
| Daily open interest change z-score (prior 252) | -2.81σ (252 prior changes) |
| Gamma max distance from close | +20.5% |
| Delta neutral distance from close | +5.0% |
| Prior-year sessions closer to gamma max | 100.0% of 252 |
| Prior-year sessions closer to delta neutral | 44.4% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 16 | -0.4% | -0.7% to +0.2% | 25% | -0.5% to -0.1% | -0.1% |
| above | Day +3 | 16 | +1.0% | -0.5% to +1.7% | 69% | -0.4% to +1.5% | 0.0% |
| above | Day +5 | 16 | +1.5% | +1.0% to +2.4% | 88% | +1.0% to +2.4% | +1.0% |
| above | Day +10 | 16 | +1.1% | -1.1% to +3.1% | 56% | -1.1% to +3.1% | 0.0% |
| below | Day +1 | 16 | +0.6% | -0.5% to +1.6% | 63% | -0.5% to +1.6% | 0.0% |
| below | Day +3 | 16 | +1.7% | +0.4% to +2.2% | 75% | +0.6% to +2.1% | +0.6% |
| below | Day +5 | 16 | +2.6% | +1.0% to +3.5% | 81% | +1.2% to +3.4% | +1.2% |
| below | Day +10 | 16 | +1.6% | -0.7% to +3.7% | 69% | -0.6% to +3.6% | 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/BAC.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/BAC.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/BAC.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).