# CMCSA: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 21.90 |
| Delta neutral (USD/share) | 21.31 |
| Gamma neutral (USD/share) | 20.79 |
| Gamma max (USD/share) | 26.29 |
| Open interest (contracts) | 761,175 |
| Nearest-expiration max pain (USD/share) | 22.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 23.00 |
| Net gamma exposure | 18,012,460 |
| Confirmed GEX flip (USD/share) | 20.79 |
| Call wall (USD/share) | 25.00 |
| Put wall (USD/share) | 20.00 |
| Put/call open-interest ratio | 0.42 |
| Options catalyst-intensity score (0–100) | 67.1 |
| Options directional score (-100 to +100) | 9.6 |
| IV rank | 100.0 |
| Front-minus-back IV | 25.3 pp |
| Front 25-delta risk reversal | 3.2 pp |
| Call OI change, 1 session | -76,141 contracts · -12.4% |
| Put OI change, 1 session | -20,835 contracts · -8.5% |
| Call minus put OI growth, 1 session | -3.9 pp |
| Call OI change, 5 sessions | -43,329 contracts · -7.5% |
| Put OI change, 5 sessions | -14,058 contracts · -5.9% |
| Call minus put OI growth, 5 sessions | -1.5 pp |
| Daily call OI change surprise | -0.79σ (250 prior changes) |
| Daily put OI change surprise | -0.60σ (250 prior changes) |
| Daily call-minus-put growth surprise | -0.27σ (250 prior changes) |
| Daily open interest change (contracts) | -96,976 |
| Daily open interest change z-score (prior 252) | -0.76σ (252 prior changes) |
| Gamma max distance from close | +20.0% |
| Delta neutral distance from close | -2.7% |
| Prior-year sessions closer to gamma max | 89.7% of 252 |
| Prior-year sessions closer to delta neutral | 49.6% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 17 | -0.0% | -0.4% to +0.2% | 35% | -0.4% to +0.2% | 0.0% |
| above | Day +3 | 17 | -1.1% | -1.9% to -0.1% | 24% | -1.9% to -0.1% | -0.1% |
| above | Day +5 | 17 | -0.4% | -1.8% to +0.6% | 41% | -1.8% to +0.6% | 0.0% |
| above | Day +10 | 17 | -0.8% | -3.2% to +1.6% | 47% | -3.2% to +1.6% | 0.0% |
| below | Day +1 | 17 | -0.5% | -0.8% to +0.3% | 35% | -0.8% to +0.3% | 0.0% |
| below | Day +3 | 17 | -0.7% | -1.7% to +0.3% | 41% | -1.7% to +0.3% | 0.0% |
| below | Day +5 | 17 | -0.6% | -1.4% to +1.5% | 35% | -1.4% to +1.5% | 0.0% |
| below | Day +10 | 17 | -0.1% | -3.2% to +2.4% | 41% | -3.2% to +2.4% | 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/CMCSA.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/CMCSA.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/CMCSA.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).