# SPXW: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 7,725.53 |
| Delta neutral (USD/share) | 7,623.16 |
| Gamma neutral (USD/share) | 7,651.69 |
| Gamma max (USD/share) | 7,870.87 |
| Open interest (contracts) | 4,604,933 |
| Nearest-expiration max pain (USD/share) | 7,700.00 (2026-10-05) |
| All-expiration max pain (USD/share) | 7,680.00 |
| Net gamma exposure | 551,683,034 |
| Confirmed GEX flip (USD/share) | 7,651.69 |
| Call wall (USD/share) | 7,750.00 |
| Put wall (USD/share) | 7,700.00 |
| Put/call open-interest ratio | 1.39 |
| Options catalyst-intensity score (0–100) | 50.8 |
| Options directional score (-100 to +100) | -25.9 |
| IV rank | 7.6 |
| Front ATM IV | +13.8% |
| Front-minus-back IV | 0.0 pp |
| Front expected move | +1.3% |
| Front ATM straddle / spot | +0.5% |
| Front 25-delta risk reversal | 1.0 pp |
| Call OI change, 1 session | -94,796 contracts · -4.7% |
| Put OI change, 1 session | -226,596 contracts · -7.8% |
| Call minus put OI growth, 1 session | +3.1 pp |
| Call OI change, 5 sessions | -390,534 contracts · -16.8% |
| Put OI change, 5 sessions | -299,809 contracts · -10.1% |
| Call minus put OI growth, 5 sessions | -6.8 pp |
| Daily call OI change surprise | -1.16σ (250 prior changes) |
| Daily put OI change surprise | -1.16σ (250 prior changes) |
| Daily call-minus-put growth surprise | +0.79σ (250 prior changes) |
| Daily open interest change (contracts) | -321,392 |
| Daily open interest change z-score (prior 252) | -1.21σ (252 prior changes) |
| Gamma max distance from close | +1.9% |
| Delta neutral distance from close | -1.3% |
| Prior-year sessions closer to gamma max | 42.5% of 252 |
| Prior-year sessions closer to delta neutral | 47.2% 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)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/SPXW.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).