# BKNG: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 159.02 |
| Delta neutral (USD/share) | 164.15 |
| Gamma neutral (USD/share) | 161.59 |
| Gamma max (USD/share) | 225.46 |
| Open interest (contracts) | 636,957 |
| Nearest-expiration max pain (USD/share) | 165.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 172.00 |
| Net gamma exposure | -1,541,474 |
| Confirmed GEX flip (USD/share) | 161.59 |
| Call wall (USD/share) | 162.40 |
| Put wall (USD/share) | 160.00 |
| Put/call open-interest ratio | 0.83 |
| Options catalyst-intensity score (0–100) | 41.9 |
| Options directional score (-100 to +100) | -5.2 |
| IV rank | 75.3 |
| Front ATM IV | +34.9% |
| Front-minus-back IV | -10.9 pp |
| Front expected move | +4.8% |
| Front ATM straddle / spot | +3.8% |
| Front 25-delta risk reversal | -1.1 pp |
| Call OI change, 1 session | -2,251 contracts · -0.6% |
| Put OI change, 1 session | -3,424 contracts · -1.2% |
| Call minus put OI growth, 1 session | +0.5 pp |
| Call OI change, 5 sessions | +8,575 contracts · +2.5% |
| Put OI change, 5 sessions | +1,565 contracts · +0.5% |
| Call minus put OI growth, 5 sessions | +2.0 pp |
| Daily call OI change surprise | -0.11σ (252 prior changes) |
| Daily put OI change surprise | -0.21σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.20σ (252 prior changes) |
| Daily open interest change (contracts) | -5,675 |
| Daily open interest change z-score (prior 252) | -0.15σ (252 prior changes) |
| Gamma max distance from close | +41.8% |
| Delta neutral distance from close | +3.2% |
| Prior-year sessions closer to gamma max | 99.2% of 252 |
| Prior-year sessions closer to delta neutral | 40.5% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 6 | -0.6% | -1.4% to +0.4% | 33% | -2.1% to +0.7% | 0.0% |
| above | Day +3 | 6 | -1.8% | -2.0% to -0.6% | 17% | -2.4% to +1.3% | 0.0% |
| above | Day +5 | 6 | -1.1% | -2.0% to -0.9% | 0% | -3.3% to -0.3% | -0.3% |
| above | Day +10 | 6 | -0.1% | -1.1% to +0.7% | 50% | -8.7% to +2.1% | 0.0% |
| below | Day +1 | 7 | -0.5% | -1.2% to +0.3% | 43% | -1.8% to +0.9% | 0.0% |
| below | Day +3 | 7 | -0.6% | -0.9% to -0.4% | 14% | -1.6% to +2.1% | 0.0% |
| below | Day +5 | 7 | -0.3% | -1.0% to +0.5% | 43% | -2.6% to +3.2% | 0.0% |
| below | Day +10 | 7 | -0.1% | -3.7% to +4.9% | 43% | -6.9% to +7.5% | 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/BKNG.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/BKNG.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/BKNG.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).