# MSOS: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 3.89 |
| Delta neutral (USD/share) | 3.27 |
| Gamma neutral (USD/share) | 3.89 |
| Gamma max (USD/share) | 4.93 |
| Open interest (contracts) | 569,737 |
| Nearest-expiration max pain (USD/share) | 4.50 (2026-10-23) |
| All-expiration max pain (USD/share) | 4.00 |
| Net gamma exposure | 19,762,896 |
| Call wall (USD/share) | 5.00 |
| Put wall (USD/share) | 4.00 |
| Put/call open-interest ratio | 0.17 |
| Options catalyst-intensity score (0–100) | 48.8 |
| Options directional score (-100 to +100) | 40.8 |
| IV rank | 74.2 |
| Front-minus-back IV | 2.1 pp |
| Front 25-delta risk reversal | -25.8 pp |
| Call OI change, 1 session | -102,826 contracts · -17.4% |
| Put OI change, 1 session | -5,509 contracts · -6.4% |
| Call minus put OI growth, 1 session | -11.0 pp |
| Call OI change, 5 sessions | -80,801 contracts · -14.2% |
| Put OI change, 5 sessions | -1,864 contracts · -2.2% |
| Call minus put OI growth, 5 sessions | -11.9 pp |
| Daily call OI change surprise | -2.78σ (252 prior changes) |
| Daily put OI change surprise | -0.65σ (252 prior changes) |
| Daily call-minus-put growth surprise | -2.11σ (252 prior changes) |
| Daily open interest change (contracts) | -108,335 |
| Daily open interest change z-score (prior 252) | -2.46σ (252 prior changes) |
| Gamma max distance from close | +26.6% |
| Delta neutral distance from close | -16.0% |
| Prior-year sessions closer to gamma max | 92.5% of 252 |
| Prior-year sessions closer to delta neutral | 0.8% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 39 | 0.0% | -2.7% to +2.3% | 49% | -1.6% to +1.2% | 0.0% |
| above | Day +3 | 39 | -0.3% | -2.7% to +2.3% | 41% | -1.7% to +0.7% | 0.0% |
| above | Day +5 | 39 | -0.3% | -6.5% to +4.6% | 49% | -2.7% to +2.1% | 0.0% |
| above | Day +10 | 39 | -2.1% | -9.3% to +9.0% | 46% | -5.9% to +4.5% | 0.0% |
| below | Day +1 | 38 | +1.0% | -0.9% to +3.2% | 66% | +0.2% to +1.9% | +0.2% |
| below | Day +3 | 38 | +0.1% | -6.2% to +3.0% | 53% | -3.4% to +2.0% | 0.0% |
| below | Day +5 | 38 | -0.3% | -8.6% to +8.0% | 47% | -3.2% to +4.4% | 0.0% |
| below | Day +10 | 38 | +1.8% | -7.3% to +8.7% | 55% | -4.5% to +5.8% | 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/MSOS.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/MSOS.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/MSOS.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).