# MSFT: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 529.05 |
| Delta neutral (USD/share) | 470.16 |
| Gamma neutral (USD/share) | 451.22 |
| Gamma max (USD/share) | 563.20 |
| Open interest (contracts) | 3,280,640 |
| Nearest-expiration max pain (USD/share) | 535.00 (2026-10-19) |
| All-expiration max pain (USD/share) | 460.00 |
| Net gamma exposure | 234,897,331 |
| Confirmed GEX flip (USD/share) | 451.22 |
| Call wall (USD/share) | 575.00 |
| Put wall (USD/share) | 500.00 |
| Put/call open-interest ratio | 0.58 |
| Options catalyst-intensity score (0–100) | 43.2 |
| Options directional score (-100 to +100) | 0.9 |
| IV rank | 70.2 |
| Front-minus-back IV | -3.2 pp |
| Front 25-delta risk reversal | 2.7 pp |
| Call OI change, 1 session | -379,095 contracts · -15.4% |
| Put OI change, 1 session | -247,419 contracts · -17.1% |
| Call minus put OI growth, 1 session | +1.7 pp |
| Call OI change, 5 sessions | -266,695 contracts · -11.4% |
| Put OI change, 5 sessions | -143,987 contracts · -10.7% |
| Call minus put OI growth, 5 sessions | -0.7 pp |
| Daily call OI change surprise | -3.70σ (252 prior changes) |
| Daily put OI change surprise | -4.79σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.60σ (252 prior changes) |
| Daily open interest change (contracts) | -626,514 |
| Daily open interest change z-score (prior 252) | -4.19σ (252 prior changes) |
| Gamma max distance from close | +6.5% |
| Delta neutral distance from close | -11.1% |
| Prior-year sessions closer to gamma max | 33.7% of 252 |
| Prior-year sessions closer to delta neutral | 83.7% 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)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/MSFT.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).