# PDD: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 80.97 |
| Delta neutral (USD/share) | 83.12 |
| Gamma neutral (USD/share) | 80.97 |
| Gamma max (USD/share) | 109.33 |
| Open interest (contracts) | 944,612 |
| Nearest-expiration max pain (USD/share) | 80.00 (2026-10-23) |
| All-expiration max pain (USD/share) | 85.00 |
| Net gamma exposure | 2,517,266 |
| Call wall (USD/share) | 80.00 |
| Put wall (USD/share) | 80.00 |
| Put/call open-interest ratio | 0.72 |
| Options catalyst-intensity score (0–100) | 38.3 |
| Options directional score (-100 to +100) | -17.3 |
| IV rank | 58.3 |
| Front-minus-back IV | -0.9 pp |
| Front 25-delta risk reversal | 6.5 pp |
| Call OI change, 1 session | -51,502 contracts · -8.6% |
| Put OI change, 1 session | -40,726 contracts · -9.3% |
| Call minus put OI growth, 1 session | +0.7 pp |
| Call OI change, 5 sessions | -25,845 contracts · -4.5% |
| Put OI change, 5 sessions | -21,079 contracts · -5.0% |
| Call minus put OI growth, 5 sessions | +0.5 pp |
| Daily call OI change surprise | -1.36σ (252 prior changes) |
| Daily put OI change surprise | -1.83σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.19σ (252 prior changes) |
| Daily open interest change (contracts) | -92,228 |
| Daily open interest change z-score (prior 252) | -1.59σ (252 prior changes) |
| Gamma max distance from close | +35.0% |
| Delta neutral distance from close | +2.7% |
| Prior-year sessions closer to gamma max | 84.9% of 252 |
| Prior-year sessions closer to delta neutral | 30.2% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 19 | -0.8% | -2.0% to +0.0% | 37% | -1.8% to +0.0% | 0.0% |
| above | Day +3 | 19 | -0.9% | -5.5% to +2.7% | 42% | -4.7% to +0.9% | 0.0% |
| above | Day +5 | 19 | -2.4% | -6.5% to +2.9% | 47% | -5.7% to +2.6% | 0.0% |
| above | Day +10 | 19 | -1.8% | -6.6% to +1.8% | 37% | -6.5% to +1.4% | 0.0% |
| below | Day +1 | 20 | +0.2% | -2.4% to +1.1% | 50% | -2.0% to +1.1% | 0.0% |
| below | Day +3 | 20 | -0.6% | -2.5% to +1.8% | 45% | -2.4% to +1.8% | 0.0% |
| below | Day +5 | 20 | +0.2% | -3.9% to +2.1% | 60% | -3.7% to +1.7% | 0.0% |
| below | Day +10 | 20 | -1.3% | -4.1% to +1.5% | 45% | -4.0% to +0.8% | 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/PDD.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/PDD.csv)
- [Public aggregate analysis](https://halfonadouble.com/api/v1/analysis/PDD.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).