# SERV: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 4.61 |
| Delta neutral (USD/share) | 4.83 |
| Gamma neutral (USD/share) | 4.61 |
| Gamma max (USD/share) | 4.99 |
| Open interest (contracts) | 210,214 |
| Nearest-expiration max pain (USD/share) | 5.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 5.50 |
| Net gamma exposure | 3,952,063 |
| Call wall (USD/share) | 5.00 |
| Put wall (USD/share) | 5.00 |
| Put/call open-interest ratio | 0.51 |
| Options catalyst-intensity score (0–100) | 52.0 |
| Options directional score (-100 to +100) | -17.2 |
| IV rank | 55.8 |
| Front ATM IV | +67.8% |
| Front-minus-back IV | -11.2 pp |
| Front expected move | +9.4% |
| Front ATM straddle / spot | +7.2% |
| Front 25-delta risk reversal | 170.5 pp |
| Call OI change, 1 session | -5,528 contracts · -3.8% |
| Put OI change, 1 session | -1,587 contracts · -2.2% |
| Call minus put OI growth, 1 session | -1.6 pp |
| Call OI change, 5 sessions | +10,631 contracts · +8.3% |
| Put OI change, 5 sessions | +5,565 contracts · +8.5% |
| Call minus put OI growth, 5 sessions | -0.2 pp |
| Daily call OI change surprise | -0.52σ (252 prior changes) |
| Daily put OI change surprise | -0.35σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.31σ (252 prior changes) |
| Daily open interest change (contracts) | -7,115 |
| Daily open interest change z-score (prior 252) | -0.49σ (252 prior changes) |
| Gamma max distance from close | +8.0% |
| Delta neutral distance from close | +4.6% |
| Prior-year sessions closer to gamma max | 21.0% of 252 |
| Prior-year sessions closer to delta neutral | 34.5% 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 | -1.2% | -4.7% to +5.8% | 41% | -4.7% to +5.8% | 0.0% |
| above | Day +3 | 17 | -3.3% | -8.7% to +2.6% | 29% | -8.7% to +2.6% | 0.0% |
| above | Day +5 | 17 | -5.6% | -9.8% to +9.8% | 35% | -9.8% to +9.8% | 0.0% |
| above | Day +10 | 17 | -5.5% | -17.3% to -1.5% | 24% | -17.3% to -1.5% | -1.5% |
| below | Day +1 | 20 | -2.5% | -3.9% to +0.8% | 30% | -3.4% to +0.4% | 0.0% |
| below | Day +3 | 20 | +0.2% | -9.9% to +5.1% | 50% | -9.4% to +4.7% | 0.0% |
| below | Day +5 | 20 | +0.2% | -11.3% to +14.6% | 50% | -11.1% to +14.2% | 0.0% |
| below | Day +10 | 20 | +0.3% | -14.7% to +9.7% | 50% | -14.4% to +8.0% | 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/SERV.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/SERV.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/SERV.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).