# GLW: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 164.16 |
| Delta neutral (USD/share) | 153.64 |
| Gamma neutral (USD/share) | 157.33 |
| Gamma max (USD/share) | 180.82 |
| Open interest (contracts) | 497,478 |
| Nearest-expiration max pain (USD/share) | 155.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 145.00 |
| Net gamma exposure | 5,248,579 |
| Confirmed GEX flip (USD/share) | 157.33 |
| Call wall (USD/share) | 170.00 |
| Put wall (USD/share) | 150.00 |
| Put/call open-interest ratio | 1.18 |
| Options catalyst-intensity score (0–100) | 52.0 |
| Options directional score (-100 to +100) | -13.8 |
| IV rank | 100.0 |
| Front ATM IV | +56.5% |
| Front-minus-back IV | -4.8 pp |
| Front expected move | +7.8% |
| Front ATM straddle / spot | +6.0% |
| Front 25-delta risk reversal | -1.5 pp |
| Call OI change, 1 session | -9,088 contracts · -3.8% |
| Put OI change, 1 session | -14,894 contracts · -5.2% |
| Call minus put OI growth, 1 session | +1.4 pp |
| Call OI change, 5 sessions | +6,808 contracts · +3.1% |
| Put OI change, 5 sessions | +7,264 contracts · +2.8% |
| Call minus put OI growth, 5 sessions | +0.3 pp |
| Daily call OI change surprise | -0.50σ (252 prior changes) |
| Daily put OI change surprise | -1.20σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.43σ (252 prior changes) |
| Daily open interest change (contracts) | -23,982 |
| Daily open interest change z-score (prior 252) | -0.83σ (252 prior changes) |
| Gamma max distance from close | +10.1% |
| Delta neutral distance from close | -6.4% |
| Prior-year sessions closer to gamma max | 55.6% of 252 |
| Prior-year sessions closer to delta neutral | 31.3% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 53 | -0.1% | -1.4% to +1.0% | 47% | -0.9% to +0.6% | 0.0% |
| above | Day +3 | 53 | +0.2% | -1.5% to +1.3% | 55% | -0.5% to +0.5% | 0.0% |
| above | Day +5 | 53 | +0.3% | -1.7% to +1.9% | 55% | -0.6% to +0.9% | 0.0% |
| above | Day +10 | 53 | +1.0% | -1.7% to +4.4% | 57% | -0.0% to +3.3% | 0.0% |
| below | Day +1 | 50 | +0.6% | -0.4% to +1.2% | 68% | +0.2% to +0.9% | +0.2% |
| below | Day +3 | 50 | +0.6% | -1.0% to +1.9% | 56% | -0.4% to +1.2% | 0.0% |
| below | Day +5 | 50 | +1.1% | -0.8% to +3.4% | 66% | +0.3% to +2.1% | +0.3% |
| below | Day +10 | 50 | +1.9% | -1.8% to +5.5% | 64% | +0.1% to +4.2% | +0.1% |

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/GLW.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/GLW.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/GLW.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).