# BHP: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 86.07 |
| Delta neutral (USD/share) | 84.58 |
| Gamma neutral (USD/share) | 90.03 |
| Gamma max (USD/share) | 100.94 |
| Open interest (contracts) | 142,838 |
| Nearest-expiration max pain (USD/share) | 87.50 (2026-10-16) |
| All-expiration max pain (USD/share) | 82.50 |
| Net gamma exposure | -4,592,137 |
| Confirmed GEX flip (USD/share) | 90.03 |
| Call wall (USD/share) | 80.00 |
| Put wall (USD/share) | 77.50 |
| Put/call open-interest ratio | 1.41 |
| Options catalyst-intensity score (0–100) | 47.5 |
| Options directional score (-100 to +100) | -33.4 |
| IV rank | 3.6 |
| Front ATM IV | +35.1% |
| Front-minus-back IV | 0.8 pp |
| Front expected move | +6.9% |
| Front ATM straddle / spot | +5.4% |
| Front 25-delta risk reversal | 3.4 pp |
| Call OI change, 1 session | +2,794 contracts · +5.0% |
| Put OI change, 1 session | +1,696 contracts · +2.1% |
| Call minus put OI growth, 1 session | +2.9 pp |
| Call OI change, 5 sessions | +5,269 contracts · +9.8% |
| Put OI change, 5 sessions | +4,971 contracts · +6.3% |
| Call minus put OI growth, 5 sessions | +3.5 pp |
| Daily call OI change surprise | +0.69σ (252 prior changes) |
| Daily put OI change surprise | +0.30σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.57σ (252 prior changes) |
| Daily open interest change (contracts) | 4,490 |
| Daily open interest change z-score (prior 252) | +0.51σ (252 prior changes) |
| Gamma max distance from close | +17.3% |
| Delta neutral distance from close | -1.7% |
| Prior-year sessions closer to gamma max | 94.8% of 252 |
| Prior-year sessions closer to delta neutral | 7.5% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 25 | +0.4% | -0.8% to +2.4% | 60% | -0.7% to +2.1% | 0.0% |
| above | Day +3 | 25 | +1.2% | -2.5% to +2.8% | 56% | -1.5% to +2.6% | 0.0% |
| above | Day +5 | 25 | -0.4% | -2.1% to +3.5% | 48% | -1.7% to +3.4% | 0.0% |
| above | Day +10 | 25 | -0.1% | -6.7% to +2.2% | 44% | -4.2% to +1.6% | 0.0% |
| below | Day +1 | 25 | +0.2% | -1.4% to +1.2% | 52% | -1.3% to +0.9% | 0.0% |
| below | Day +3 | 25 | +1.1% | -1.8% to +3.4% | 64% | -1.7% to +2.7% | 0.0% |
| below | Day +5 | 25 | +1.2% | -4.0% to +3.7% | 60% | -3.7% to +3.4% | 0.0% |
| below | Day +10 | 25 | +0.7% | -5.0% to +3.5% | 52% | -3.8% to +3.2% | 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/BHP.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/BHP.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/BHP.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).