# BA: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 193.56 |
| Delta neutral (USD/share) | 198.69 |
| Gamma neutral (USD/share) | 191.91 |
| Gamma max (USD/share) | 226.04 |
| Open interest (contracts) | 825,736 |
| Nearest-expiration max pain (USD/share) | 190.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 200.00 |
| Net gamma exposure | 3,791,105 |
| Confirmed GEX flip (USD/share) | 191.91 |
| Call wall (USD/share) | 200.00 |
| Put wall (USD/share) | 200.00 |
| Put/call open-interest ratio | 0.80 |
| Options catalyst-intensity score (0–100) | 54.5 |
| Options directional score (-100 to +100) | -3.0 |
| IV rank | 89.0 |
| Front ATM IV | +36.7% |
| Front-minus-back IV | -0.3 pp |
| Front expected move | +5.1% |
| Front ATM straddle / spot | +3.6% |
| Front 25-delta risk reversal | -1.4 pp |
| Call OI change, 1 session | -29,742 contracts · -6.1% |
| Put OI change, 1 session | -20,913 contracts · -5.4% |
| Call minus put OI growth, 1 session | -0.7 pp |
| Call OI change, 5 sessions | +59,613 contracts · +14.9% |
| Put OI change, 5 sessions | +14,921 contracts · +4.3% |
| Call minus put OI growth, 5 sessions | +10.6 pp |
| Daily call OI change surprise | -1.01σ (252 prior changes) |
| Daily put OI change surprise | -0.98σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.36σ (252 prior changes) |
| Daily open interest change (contracts) | -50,655 |
| Daily open interest change z-score (prior 252) | -1.01σ (252 prior changes) |
| Gamma max distance from close | +16.8% |
| Delta neutral distance from close | +2.7% |
| Prior-year sessions closer to gamma max | 78.6% of 252 |
| Prior-year sessions closer to delta neutral | 31.3% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 10 | +0.1% | -1.3% to +1.3% | 50% | -1.9% to +2.7% | 0.0% |
| above | Day +3 | 10 | +1.8% | +1.1% to +2.6% | 80% | -0.3% to +2.8% | 0.0% |
| above | Day +5 | 10 | +1.9% | -0.3% to +2.4% | 60% | -0.6% to +7.4% | 0.0% |
| above | Day +10 | 10 | +1.9% | -1.3% to +5.6% | 60% | -2.5% to +7.0% | 0.0% |
| below | Day +1 | 10 | +1.1% | +0.4% to +2.1% | 80% | -2.1% to +2.3% | 0.0% |
| below | Day +3 | 10 | +1.5% | +0.8% to +2.4% | 80% | -0.3% to +3.1% | 0.0% |
| below | Day +5 | 10 | +2.2% | -0.5% to +3.8% | 70% | -1.0% to +4.6% | 0.0% |
| below | Day +10 | 10 | +0.6% | -5.1% to +4.6% | 50% | -5.7% to +13.0% | 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/BA.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/BA.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/BA.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).