# BFLY: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 8.95 |
| Delta neutral (USD/share) | 5.49 |
| Gamma neutral (USD/share) | 3.59 |
| Gamma max (USD/share) | 9.31 |
| Open interest (contracts) | 101,567 |
| Nearest-expiration max pain (USD/share) | 7.50 (2026-10-16) |
| All-expiration max pain (USD/share) | 4.00 |
| Net gamma exposure | 5,709,913 |
| Confirmed GEX flip (USD/share) | 3.59 |
| Call wall (USD/share) | 10.00 |
| Put wall (USD/share) | 7.50 |
| Put/call open-interest ratio | 0.23 |
| Options catalyst-intensity score (0–100) | 37.7 |
| Options directional score (-100 to +100) | 44.3 |
| IV rank | 25.6 |
| Front ATM IV | – |
| Front-minus-back IV | – pp |
| Front expected move | – |
| Front ATM straddle / spot | – |
| Front 25-delta risk reversal | -189.6 pp |
| Call OI change, 1 session | +142 contracts · +0.2% |
| Put OI change, 1 session | -41 contracts · -0.2% |
| Call minus put OI growth, 1 session | +0.4 pp |
| Call OI change, 5 sessions | +4,630 contracts · +5.9% |
| Put OI change, 5 sessions | +259 contracts · +1.4% |
| Call minus put OI growth, 5 sessions | +4.6 pp |
| Daily call OI change surprise | +0.02σ (252 prior changes) |
| Daily put OI change surprise | -0.08σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.17σ (252 prior changes) |
| Daily open interest change (contracts) | 101 |
| Daily open interest change z-score (prior 252) | +0.01σ (252 prior changes) |
| Gamma max distance from close | +4.1% |
| Delta neutral distance from close | -38.7% |
| Prior-year sessions closer to gamma max | 34.1% of 252 |
| Prior-year sessions closer to delta neutral | 23.8% of 252 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 49 | -0.5% | -4.6% to +3.2% | 47% | -1.7% to +2.1% | 0.0% |
| above | Day +3 | 49 | +1.3% | -6.8% to +7.8% | 53% | -2.9% to +3.3% | 0.0% |
| above | Day +5 | 48 | +0.9% | -8.2% to +7.7% | 52% | -7.1% to +5.8% | 0.0% |
| above | Day +10 | 47 | +1.2% | -9.4% to +14.6% | 53% | -4.3% to +8.4% | 0.0% |
| below | Day +1 | 58 | +0.3% | -2.9% to +3.3% | 52% | -0.6% to +1.3% | 0.0% |
| below | Day +3 | 57 | 0.0% | -6.7% to +4.0% | 47% | -3.3% to +1.3% | 0.0% |
| below | Day +5 | 57 | +2.1% | -9.4% to +9.1% | 54% | -4.9% to +4.8% | 0.0% |
| below | Day +10 | 56 | -0.1% | -10.8% to +18.7% | 50% | -4.4% to +6.7% | 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/BFLY.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/BFLY.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/BFLY.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).