# ASX: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 47.45 |
| Delta neutral (USD/share) | 38.06 |
| Gamma neutral (USD/share) | 36.85 |
| Gamma max (USD/share) | 45.51 |
| Open interest (contracts) | 125,172 |
| Nearest-expiration max pain (USD/share) | 40.00 (2026-10-16) |
| All-expiration max pain (USD/share) | 37.50 |
| Net gamma exposure | 10,871,723 |
| Confirmed GEX flip (USD/share) | 36.85 |
| Call wall (USD/share) | 47.50 |
| Put wall (USD/share) | 40.00 |
| Put/call open-interest ratio | 0.53 |
| Options catalyst-intensity score (0–100) | 51.3 |
| Options directional score (-100 to +100) | 8.8 |
| IV rank | 36.4 |
| Front ATM IV | +56.4% |
| Front-minus-back IV | -3.9 pp |
| Front expected move | +11.1% |
| Front ATM straddle / spot | +17.4% |
| Front 25-delta risk reversal | -1.3 pp |
| Call OI change, 1 session | +352 contracts · +0.4% |
| Put OI change, 1 session | +599 contracts · +1.4% |
| Call minus put OI growth, 1 session | -1.0 pp |
| Call OI change, 5 sessions | +2,810 contracts · +3.6% |
| Put OI change, 5 sessions | +3,996 contracts · +10.2% |
| Call minus put OI growth, 5 sessions | -6.6 pp |
| Daily call OI change surprise | +0.01σ (252 prior changes) |
| Daily put OI change surprise | +0.28σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.01σ (232 prior changes) |
| Daily open interest change (contracts) | 951 |
| Daily open interest change z-score (prior 252) | +0.06σ (252 prior changes) |
| Gamma max distance from close | -4.1% |
| Delta neutral distance from close | -19.8% |
| Prior-year sessions closer to gamma max | 36.0% of 250 |
| Prior-year sessions closer to delta neutral | 23.2% of 250 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 31 | -0.5% | -1.8% to +0.9% | 42% | -1.5% to +0.4% | 0.0% |
| above | Day +3 | 31 | -1.5% | -3.0% to +2.2% | 42% | -2.6% to +0.8% | 0.0% |
| above | Day +5 | 30 | -0.0% | -3.8% to +2.8% | 50% | -3.0% to +1.6% | 0.0% |
| above | Day +10 | 29 | -0.1% | -2.5% to +10.5% | 48% | -1.8% to +6.8% | 0.0% |
| below | Day +1 | 29 | -1.0% | -2.5% to +0.6% | 34% | -1.9% to +0.1% | 0.0% |
| below | Day +3 | 28 | -1.5% | -3.7% to +2.5% | 36% | -2.5% to +1.1% | 0.0% |
| below | Day +5 | 28 | +0.7% | -3.9% to +2.7% | 57% | -3.1% to +2.3% | 0.0% |
| below | Day +10 | 27 | +0.1% | -3.1% to +5.1% | 52% | -2.2% to +2.0% | 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/ASX.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ASX.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/ASX.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).