# TOST: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 29.79 |
| Delta neutral (USD/share) | 29.13 |
| Gamma neutral (USD/share) | 28.67 |
| Gamma max (USD/share) | 37.07 |
| Open interest (contracts) | 286,880 |
| Nearest-expiration max pain (USD/share) | 30.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 30.00 |
| Net gamma exposure | 3,181,707 |
| Confirmed GEX flip (USD/share) | 28.67 |
| Call wall (USD/share) | 35.00 |
| Put wall (USD/share) | 25.00 |
| Put/call open-interest ratio | 0.64 |
| Options catalyst-intensity score (0–100) | 42.9 |
| Options directional score (-100 to +100) | -16.6 |
| IV rank | 100.0 |
| Front ATM IV | +42.4% |
| Front-minus-back IV | -11.8 pp |
| Front expected move | +5.9% |
| Front ATM straddle / spot | +5.1% |
| Front 25-delta risk reversal | 5.8 pp |
| Call OI change, 1 session | -1,949 contracts · -1.1% |
| Put OI change, 1 session | -4,802 contracts · -4.1% |
| Call minus put OI growth, 1 session | +3.0 pp |
| Call OI change, 5 sessions | +2,990 contracts · +1.7% |
| Put OI change, 5 sessions | -2,342 contracts · -2.1% |
| Call minus put OI growth, 5 sessions | +3.8 pp |
| Daily call OI change surprise | -0.14σ (252 prior changes) |
| Daily put OI change surprise | -0.61σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.85σ (252 prior changes) |
| Daily open interest change (contracts) | -6,751 |
| Daily open interest change z-score (prior 252) | -0.33σ (252 prior changes) |
| Gamma max distance from close | +24.4% |
| Delta neutral distance from close | -2.2% |
| Prior-year sessions closer to gamma max | 86.1% of 252 |
| Prior-year sessions closer to delta neutral | 16.3% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 37 | 0.0% | -1.9% to +1.2% | 49% | -1.1% to +0.4% | 0.0% |
| above | Day +3 | 37 | +0.1% | -2.9% to +2.5% | 51% | -1.4% to +1.7% | 0.0% |
| above | Day +5 | 37 | +1.1% | -4.9% to +3.4% | 62% | -0.9% to +2.2% | 0.0% |
| above | Day +10 | 37 | +0.9% | -5.9% to +7.3% | 57% | -3.6% to +3.9% | 0.0% |
| below | Day +1 | 34 | -0.4% | -2.0% to +1.4% | 47% | -1.1% to +0.9% | 0.0% |
| below | Day +3 | 34 | +0.9% | -2.8% to +3.1% | 56% | -1.5% to +2.3% | 0.0% |
| below | Day +5 | 34 | +1.6% | -1.3% to +3.9% | 65% | -0.3% to +2.9% | 0.0% |
| below | Day +10 | 34 | +0.1% | -5.9% to +6.3% | 50% | -4.8% to +4.6% | 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/TOST.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/TOST.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/TOST.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).