# COHR: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 232.90 |
| Delta neutral (USD/share) | 293.43 |
| Gamma neutral (USD/share) | 332.40 |
| Gamma max (USD/share) | 423.87 |
| Open interest (contracts) | 257,074 |
| Nearest-expiration max pain (USD/share) | 280.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 300.00 |
| Net gamma exposure | -9,667,179 |
| Confirmed GEX flip (USD/share) | 332.40 |
| Call wall (USD/share) | 300.00 |
| Put wall (USD/share) | 250.00 |
| Put/call open-interest ratio | 1.65 |
| Options catalyst-intensity score (0–100) | 64.6 |
| Options directional score (-100 to +100) | -25.3 |
| IV rank | 100.0 |
| Front-minus-back IV | 12.2 pp |
| Front 25-delta risk reversal | 4.0 pp |
| Call OI change, 1 session | -21,914 contracts · -18.4% |
| Put OI change, 1 session | -22,207 contracts · -12.2% |
| Call minus put OI growth, 1 session | -6.2 pp |
| Call OI change, 5 sessions | -7,201 contracts · -6.9% |
| Put OI change, 5 sessions | +5,341 contracts · +3.5% |
| Call minus put OI growth, 5 sessions | -10.4 pp |
| Daily call OI change surprise | -3.06σ (252 prior changes) |
| Daily put OI change surprise | -2.77σ (252 prior changes) |
| Daily call-minus-put growth surprise | -1.06σ (252 prior changes) |
| Daily open interest change (contracts) | -44,121 |
| Daily open interest change z-score (prior 252) | -3.00σ (252 prior changes) |
| Gamma max distance from close | +82.0% |
| Delta neutral distance from close | +26.0% |
| Prior-year sessions closer to gamma max | 99.6% of 252 |
| Prior-year sessions closer to delta neutral | 99.6% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 31 | -0.2% | -1.7% to +1.3% | 48% | -0.8% to +1.0% | 0.0% |
| above | Day +3 | 31 | +0.1% | -5.1% to +4.7% | 52% | -1.3% to +3.2% | 0.0% |
| above | Day +5 | 31 | +1.1% | -4.7% to +5.6% | 58% | -3.0% to +4.4% | 0.0% |
| above | Day +10 | 31 | -0.3% | -3.9% to +8.7% | 48% | -1.1% to +4.9% | 0.0% |
| below | Day +1 | 28 | -0.7% | -2.4% to +1.6% | 43% | -2.2% to +0.7% | 0.0% |
| below | Day +3 | 28 | -0.9% | -8.1% to +2.9% | 39% | -2.9% to +0.7% | 0.0% |
| below | Day +5 | 28 | +0.0% | -4.8% to +5.0% | 50% | -3.7% to +3.8% | 0.0% |
| below | Day +10 | 28 | +3.3% | -5.1% to +8.6% | 61% | -1.7% to +6.4% | 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/COHR.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/COHR.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/COHR.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).