# MSFT: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 517.53 |
| Delta neutral (USD/share) | 457.08 |
| Gamma neutral (USD/share) | 442.69 |
| Gamma max (USD/share) | 540.43 |
| Open interest (contracts) | 3,564,607 |
| Nearest-expiration max pain (USD/share) | 510.00 (2026-10-05) |
| All-expiration max pain (USD/share) | 450.00 |
| Net gamma exposure | 348,032,824 |
| Confirmed GEX flip (USD/share) | 442.69 |
| Call wall (USD/share) | 510.00 |
| Put wall (USD/share) | 500.00 |
| Put/call open-interest ratio | 0.56 |
| Options catalyst-intensity score (0–100) | 34.7 |
| Options directional score (-100 to +100) | -2.0 |
| IV rank | 20.8 |
| Front ATM IV | +22.6% |
| Front-minus-back IV | -8.8 pp |
| Front expected move | +2.0% |
| Front ATM straddle / spot | +1.2% |
| Front 25-delta risk reversal | 1.1 pp |
| Call OI change, 1 session | -102,001 contracts · -4.3% |
| Put OI change, 1 session | -42,725 contracts · -3.2% |
| Call minus put OI growth, 1 session | -1.0 pp |
| Call OI change, 5 sessions | +18,788 contracts · +0.8% |
| Put OI change, 5 sessions | +51,851 contracts · +4.2% |
| Call minus put OI growth, 5 sessions | -3.4 pp |
| Daily call OI change surprise | -1.03σ (252 prior changes) |
| Daily put OI change surprise | -0.85σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.46σ (252 prior changes) |
| Daily open interest change (contracts) | -144,726 |
| Daily open interest change z-score (prior 252) | -1.00σ (252 prior changes) |
| Gamma max distance from close | +4.4% |
| Delta neutral distance from close | -11.7% |
| Prior-year sessions closer to gamma max | 16.7% of 252 |
| Prior-year sessions closer to delta neutral | 88.5% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 13 | -0.1% | -0.7% to +0.1% | 46% | -0.7% to +0.1% | 0.0% |
| above | Day +3 | 13 | -0.1% | -1.0% to +1.1% | 46% | -1.0% to +1.1% | 0.0% |
| above | Day +5 | 13 | +1.3% | -0.4% to +3.0% | 54% | -0.4% to +3.0% | 0.0% |
| above | Day +10 | 13 | +1.5% | -1.1% to +4.3% | 54% | -1.1% to +4.3% | 0.0% |
| below | Day +1 | 14 | +0.1% | -0.6% to +1.1% | 57% | -0.6% to +1.1% | 0.0% |
| below | Day +3 | 14 | +0.8% | -0.7% to +3.1% | 64% | -0.8% to +3.2% | 0.0% |
| below | Day +5 | 14 | +2.0% | +0.7% to +4.2% | 79% | +0.7% to +4.4% | +0.7% |
| below | Day +10 | 14 | +2.3% | -1.1% to +5.2% | 64% | -1.5% to +5.5% | 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/MSFT.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/MSFT.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/MSFT.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).