# RBRK: options-positioning snapshot

Canonical: https://halfonadouble.com/stock/RBRK
Data through: 2026-11-13 close
Publisher: Half on a Double

| Published field | Value |
| --- | --- |
| Close (USD/share) | 109.88 |
| Delta neutral (USD/share) | 92.25 |
| Gamma neutral (USD/share) | 61.99 |
| Gamma max (USD/share) | 123.05 |
| Open interest (contracts) | 102,348 |
| Nearest-expiration max pain (USD/share) | 125.00 (2026-11-20) |
| All-expiration max pain (USD/share) | 100.00 |
| Net gamma exposure | 3,068,466 |
| Confirmed GEX flip (USD/share) | 61.99 |
| Call wall (USD/share) | 145.00 |
| Put wall (USD/share) | 110.00 |
| Put/call open-interest ratio | 0.46 |
| Net GEX sign history | positive for the last 195 sessions; negative on 16 of the past 252 |
| Max pain expiration record (past 252 sessions) | expiration close nearer the prior-session max pain on 7 of 53 expirations (13%); median distance 7.08% vs 2.72% for an unchanged prior close |
| Options catalyst-intensity score (0–100) | 45.8 |
| Options directional score (-100 to +100) | 22.6 |
| IV rank | 43.4 |
| Front-minus-back IV | 4.0 pp |
| Front 25-delta risk reversal | -9.3 pp |
| Call OI change, 1 session | -755 contracts · -1.1% |
| Put OI change, 1 session | -1,137 contracts · -3.4% |
| Call minus put OI growth, 1 session | +2.3 pp |
| Call OI change, 5 sessions | +1,757 contracts · +2.6% |
| Put OI change, 5 sessions | +176 contracts · +0.5% |
| Call minus put OI growth, 5 sessions | +2.0 pp |
| Daily call OI change surprise | -0.13σ (252 prior changes) |
| Daily put OI change surprise | -0.56σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.26σ (252 prior changes) |
| Daily open interest change (contracts) | -1,892 |
| Daily open interest change z-score (prior 252) | -0.25σ (252 prior changes) |
| Gamma max distance from close | +12.0% |
| Delta neutral distance from close | -16.0% |
| Prior-year sessions closer to gamma max | 60.7% of 252 |
| Prior-year sessions closer to delta neutral | 46.8% of 252 |

## Recent expirations vs max pain

| Expiration | Max pain (session before) | Prior close | Expiration close | Close vs max pain | Nearer |
| --- | ---: | ---: | ---: | ---: | --- |
| 2026-11-13 | 115.00 | 110.38 | 109.88 | -4.64% | Prior close |
| 2026-11-06 | 116.00 | 105.74 | 105.75 | -9.69% | Prior close |
| 2026-10-30 | 118.00 | 133.63 | 124.15 | +4.60% | Max pain |
| 2026-10-23 | 114.00 | 120.75 | 128.74 | +12.21% | Prior close |
| 2026-10-16 | 92.50 | 118.62 | 112.41 | +16.78% | Prior close |
| 2026-10-09 | 118.00 | 120.89 | 125.14 | +5.91% | Prior close |
| 2026-10-02 | 105.00 | 115.40 | 118.58 | +11.77% | Prior close |
| 2026-09-25 | 103.00 | 113.80 | 109.55 | +5.76% | Prior close |
| 2026-09-18 | 90.00 | 107.83 | 106.71 | +15.50% | Prior close |
| 2026-09-11 | 92.00 | 88.91 | 86.65 | -6.02% | Prior close |

Each expiration compares the last session before it, when it was the nearest expiration, with the expiration-session close; distances are percentages of that prior close. Underlying closes are not option settlement values. Descriptive history, not a forecast.

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 24 | +0.2% | -1.7% to +2.1% | 50% | -1.0% to +2.0% | 0.0% |
| above | Day +3 | 24 | +1.7% | -3.0% to +6.4% | 67% | -2.1% to +5.6% | 0.0% |
| above | Day +5 | 24 | +1.1% | -6.9% to +8.5% | 54% | -3.6% to +8.2% | 0.0% |
| above | Day +10 | 24 | +1.7% | -5.5% to +5.7% | 63% | -2.7% to +5.0% | 0.0% |
| below | Day +1 | 24 | +0.1% | -1.4% to +3.4% | 54% | -0.7% to +1.6% | 0.0% |
| below | Day +3 | 24 | -0.7% | -2.8% to +5.9% | 46% | -2.2% to +0.9% | 0.0% |
| below | Day +5 | 24 | -0.4% | -4.9% to +7.0% | 50% | -4.6% to +3.7% | 0.0% |
| below | Day +10 | 23 | +4.5% | -11.4% to +9.7% | 57% | -4.4% to +7.9% | 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/RBRK.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/RBRK.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/RBRK.json?date=2026-11-13&public_schema=5)

An em dash means unavailable, not zero. Values use the same display rounding as the HTML page. This is a current snapshot; the 60-session close-versus-max-pain chart, full history and individual event paths are on the canonical page.

[Definitions and limitations](https://halfonadouble.com/methodology.md).