# KLAC: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 206.89 |
| Delta neutral (USD/share) | 194.80 |
| Gamma neutral (USD/share) | 194.21 |
| Gamma max (USD/share) | 208.79 |
| Open interest (contracts) | 355,543 |
| Nearest-expiration max pain (USD/share) | 180.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 190.00 |
| Net gamma exposure | 2,320,004 |
| Confirmed GEX flip (USD/share) | 194.21 |
| Call wall (USD/share) | 200.00 |
| Put wall (USD/share) | 224.00 |
| Put/call open-interest ratio | 1.30 |
| Options catalyst-intensity score (0–100) | 47.1 |
| Options directional score (-100 to +100) | -32.0 |
| IV rank | 100.0 |
| Front ATM IV | +53.2% |
| Front-minus-back IV | -8.6 pp |
| Front expected move | +7.4% |
| Front ATM straddle / spot | +6.8% |
| Front 25-delta risk reversal | 3.6 pp |
| Call OI change, 1 session | -4,861 contracts · -3.1% |
| Put OI change, 1 session | -2,993 contracts · -1.5% |
| Call minus put OI growth, 1 session | -1.6 pp |
| Call OI change, 5 sessions | +5,111 contracts · +3.4% |
| Put OI change, 5 sessions | +479 contracts · +0.2% |
| Call minus put OI growth, 5 sessions | +3.2 pp |
| Daily call OI change surprise | -0.38σ (252 prior changes) |
| Daily put OI change surprise | -0.18σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.60σ (251 prior changes) |
| Daily open interest change (contracts) | -7,854 |
| Daily open interest change z-score (prior 252) | -0.26σ (252 prior changes) |
| Gamma max distance from close | +0.9% |
| Delta neutral distance from close | -5.8% |
| Prior-year sessions closer to gamma max | 0.0% of 251 |
| Prior-year sessions closer to delta neutral | 43.4% of 251 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 18 | +0.2% | -0.9% to +1.3% | 50% | -0.5% to +0.9% | 0.0% |
| above | Day +3 | 17 | -0.9% | -2.1% to +2.3% | 47% | -2.1% to +2.3% | 0.0% |
| above | Day +5 | 17 | -0.2% | -1.9% to +1.3% | 41% | -1.9% to +1.3% | 0.0% |
| above | Day +10 | 17 | +1.5% | -4.9% to +5.8% | 59% | -4.9% to +5.8% | 0.0% |
| below | Day +1 | 15 | +0.6% | -0.3% to +2.2% | 67% | -0.7% to +2.2% | 0.0% |
| below | Day +3 | 15 | +0.6% | -2.1% to +2.8% | 53% | -3.5% to +3.4% | 0.0% |
| below | Day +5 | 15 | -0.2% | -3.3% to +4.2% | 47% | -3.7% to +4.7% | 0.0% |
| below | Day +10 | 15 | +0.3% | -3.7% to +2.7% | 53% | -5.9% to +3.0% | 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/KLAC.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/KLAC.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/KLAC.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).