# SMCI: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 43.69 |
| Delta neutral (USD/share) | 35.81 |
| Gamma neutral (USD/share) | 35.55 |
| Gamma max (USD/share) | 46.32 |
| Open interest (contracts) | 1,983,975 |
| Nearest-expiration max pain (USD/share) | 40.50 (2026-10-09) |
| All-expiration max pain (USD/share) | 37.00 |
| Net gamma exposure | 39,930,722 |
| Confirmed GEX flip (USD/share) | 35.55 |
| Call wall (USD/share) | 50.00 |
| Put wall (USD/share) | 40.00 |
| Put/call open-interest ratio | 1.09 |
| Options catalyst-intensity score (0–100) | 37.6 |
| Options directional score (-100 to +100) | -10.7 |
| IV rank | 22.2 |
| Front ATM IV | +67.8% |
| Front-minus-back IV | -11.0 pp |
| Front expected move | +9.4% |
| Front ATM straddle / spot | +6.9% |
| Front 25-delta risk reversal | -1.0 pp |
| Call OI change, 1 session | -140,875 contracts · -12.9% |
| Put OI change, 1 session | -37,914 contracts · -3.5% |
| Call minus put OI growth, 1 session | -9.4 pp |
| Call OI change, 5 sessions | +5,808 contracts · +0.6% |
| Put OI change, 5 sessions | +33,173 contracts · +3.3% |
| Call minus put OI growth, 5 sessions | -2.7 pp |
| Daily call OI change surprise | -1.41σ (252 prior changes) |
| Daily put OI change surprise | -0.76σ (252 prior changes) |
| Daily call-minus-put growth surprise | -2.43σ (252 prior changes) |
| Daily open interest change (contracts) | -178,789 |
| Daily open interest change z-score (prior 252) | -1.21σ (252 prior changes) |
| Gamma max distance from close | +6.0% |
| Delta neutral distance from close | -18.0% |
| Prior-year sessions closer to gamma max | 35.3% of 252 |
| Prior-year sessions closer to delta neutral | 94.4% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 46 | +0.1% | -3.7% to +2.7% | 52% | -1.9% to +1.8% | 0.0% |
| above | Day +3 | 46 | -0.9% | -4.5% to +4.8% | 46% | -1.8% to +3.3% | 0.0% |
| above | Day +5 | 46 | -0.9% | -7.4% to +6.8% | 48% | -5.1% to +2.4% | 0.0% |
| above | Day +10 | 46 | +0.9% | -6.5% to +9.4% | 57% | -1.4% to +5.2% | 0.0% |
| below | Day +1 | 48 | +0.3% | -1.7% to +3.3% | 54% | -0.8% to +1.1% | 0.0% |
| below | Day +3 | 48 | -0.3% | -3.3% to +2.5% | 44% | -1.7% to +1.9% | 0.0% |
| below | Day +5 | 48 | -1.2% | -6.1% to +4.5% | 46% | -3.9% to +1.3% | 0.0% |
| below | Day +10 | 48 | +0.8% | -5.2% to +10.7% | 54% | -2.6% to +5.2% | 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/SMCI.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/SMCI.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/SMCI.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).