# VST: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 140.02 |
| Delta neutral (USD/share) | 145.69 |
| Gamma neutral (USD/share) | 143.22 |
| Gamma max (USD/share) | 164.54 |
| Open interest (contracts) | 480,893 |
| Nearest-expiration max pain (USD/share) | 140.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 150.00 |
| Net gamma exposure | -5,503,138 |
| Confirmed GEX flip (USD/share) | 143.22 |
| Call wall (USD/share) | 150.00 |
| Put wall (USD/share) | 130.00 |
| Put/call open-interest ratio | 1.17 |
| Options catalyst-intensity score (0–100) | 60.6 |
| Options directional score (-100 to +100) | -5.3 |
| IV rank | 100.0 |
| Front ATM IV | +48.2% |
| Front-minus-back IV | -0.2 pp |
| Front expected move | +6.7% |
| Front ATM straddle / spot | +4.9% |
| Front 25-delta risk reversal | -6.9 pp |
| Call OI change, 1 session | -13,878 contracts · -5.9% |
| Put OI change, 1 session | -15,308 contracts · -5.6% |
| Call minus put OI growth, 1 session | -0.3 pp |
| Call OI change, 5 sessions | +15,857 contracts · +7.7% |
| Put OI change, 5 sessions | +24,681 contracts · +10.5% |
| Call minus put OI growth, 5 sessions | -2.8 pp |
| Daily call OI change surprise | -0.95σ (252 prior changes) |
| Daily put OI change surprise | -1.30σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.12σ (252 prior changes) |
| Daily open interest change (contracts) | -29,186 |
| Daily open interest change z-score (prior 252) | -1.16σ (252 prior changes) |
| Gamma max distance from close | +17.5% |
| Delta neutral distance from close | +4.0% |
| Prior-year sessions closer to gamma max | 50.4% of 252 |
| Prior-year sessions closer to delta neutral | 42.5% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 50 | -0.1% | -1.8% to +1.3% | 46% | -1.1% to +0.4% | 0.0% |
| above | Day +3 | 50 | -0.3% | -1.6% to +2.1% | 44% | -1.1% to +0.7% | 0.0% |
| above | Day +5 | 50 | -0.4% | -2.4% to +2.6% | 46% | -1.2% to +1.0% | 0.0% |
| above | Day +10 | 50 | +1.0% | -3.4% to +4.2% | 56% | -1.1% to +2.8% | 0.0% |
| below | Day +1 | 51 | +0.1% | -0.7% to +1.6% | 53% | -0.2% to +0.9% | 0.0% |
| below | Day +3 | 51 | +0.4% | -1.1% to +2.6% | 53% | -0.4% to +1.0% | 0.0% |
| below | Day +5 | 51 | +0.8% | -1.3% to +3.0% | 63% | +0.1% to +1.4% | +0.1% |
| below | Day +10 | 51 | +0.8% | -2.8% to +5.6% | 55% | -0.7% to +3.6% | 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/VST.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/VST.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/VST.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).