# SPXW: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 7,650.84 |
| Delta neutral (USD/share) | 7,713.41 |
| Gamma neutral (USD/share) | 7,650.84 |
| Gamma max (USD/share) | 7,955.60 |
| Open interest (contracts) | 5,101,278 |
| Nearest-expiration max pain (USD/share) | 7,750.00 (2026-10-19) |
| All-expiration max pain (USD/share) | 7,750.00 |
| Net gamma exposure | -475,635,093 |
| Call wall (USD/share) | 7,800.00 |
| Put wall (USD/share) | 7,650.00 |
| Put/call open-interest ratio | 1.53 |
| Options catalyst-intensity score (0–100) | 54.8 |
| Options directional score (-100 to +100) | -24.8 |
| IV rank | 58.0 |
| Front-minus-back IV | 4.1 pp |
| Front 25-delta risk reversal | 3.5 pp |
| Call OI change, 1 session | -87,301 contracts · -4.1% |
| Put OI change, 1 session | -270,248 contracts · -8.1% |
| Call minus put OI growth, 1 session | +3.9 pp |
| Call OI change, 5 sessions | +12,129 contracts · +0.6% |
| Put OI change, 5 sessions | +262,697 contracts · +9.3% |
| Call minus put OI growth, 5 sessions | -8.7 pp |
| Daily call OI change surprise | -1.06σ (250 prior changes) |
| Daily put OI change surprise | -1.39σ (250 prior changes) |
| Daily call-minus-put growth surprise | +1.02σ (250 prior changes) |
| Daily open interest change (contracts) | -357,549 |
| Daily open interest change z-score (prior 252) | -1.35σ (252 prior changes) |
| Gamma max distance from close | +4.0% |
| Delta neutral distance from close | +0.8% |
| Prior-year sessions closer to gamma max | 86.5% of 252 |
| Prior-year sessions closer to delta neutral | 30.6% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 2 | -0.3% | -0.3% to -0.2% | 0% | — | – |
| above | Day +3 | 2 | -0.7% | -1.0% to -0.3% | 50% | — | – |
| above | Day +5 | 2 | -0.9% | -1.3% to -0.6% | 0% | — | – |
| above | Day +10 | 2 | -0.1% | -0.4% to +0.2% | 50% | — | – |
| below | Day +1 | 2 | -0.4% | -0.4% to -0.4% | 0% | — | – |
| below | Day +3 | 2 | -0.2% | -0.4% to +0.0% | 50% | — | – |
| below | Day +5 | 2 | -0.8% | -1.3% to -0.3% | 50% | — | – |
| below | Day +10 | 2 | +0.4% | +0.0% to +0.7% | 50% | — | – |

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/SPXW.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/SPXW.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/SPXW.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).