# ECHO: options-positioning snapshot

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

| Published field | Value |
| --- | --- |
| Close (USD/share) | 94.25 |
| Delta neutral (USD/share) | 91.40 |
| Gamma neutral (USD/share) | 89.39 |
| Gamma max (USD/share) | 117.58 |
| Open interest (contracts) | 460,835 |
| Nearest-expiration max pain (USD/share) | 90.00 (2026-10-09) |
| All-expiration max pain (USD/share) | 94.00 |
| Net gamma exposure | 8,149,020 |
| Confirmed GEX flip (USD/share) | 89.39 |
| Call wall (USD/share) | 90.00 |
| Put wall (USD/share) | 85.00 |
| Put/call open-interest ratio | 0.53 |
| Options catalyst-intensity score (0–100) | 55.0 |
| Options directional score (-100 to +100) | -10.7 |
| IV rank | 52.8 |
| Front ATM IV | +43.0% |
| Front-minus-back IV | -1.0 pp |
| Front expected move | +6.0% |
| Front ATM straddle / spot | +4.0% |
| Front 25-delta risk reversal | 6.3 pp |
| Call OI change, 1 session | -2,405 contracts · -0.8% |
| Put OI change, 1 session | -4,016 contracts · -2.5% |
| Call minus put OI growth, 1 session | +1.7 pp |
| Call OI change, 5 sessions | -1,283 contracts · -0.4% |
| Put OI change, 5 sessions | +6,660 contracts · +4.4% |
| Call minus put OI growth, 5 sessions | -4.8 pp |
| Daily call OI change surprise | — (67 prior changes) |
| Daily put OI change surprise | — (67 prior changes) |
| Daily call-minus-put growth surprise | — (67 prior changes) |
| Daily open interest change (contracts) | -6,421 |
| Daily open interest change z-score (prior 252) | -0.18σ (252 prior changes) |
| Gamma max distance from close | +24.8% |
| Delta neutral distance from close | -3.0% |
| Prior-year sessions closer to gamma max | 77.6% of 246 |
| Prior-year sessions closer to delta neutral | 18.3% of 246 |

## Historical gamma-max cross outcomes

| Direction | Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
| above | Day +1 | 8 | -1.5% | -1.8% to +1.0% | 38% | -1.8% to +1.1% | 0.0% |
| above | Day +3 | 8 | +3.1% | -3.2% to +4.7% | 63% | -6.1% to +5.8% | 0.0% |
| above | Day +5 | 8 | +1.1% | -6.8% to +4.4% | 50% | -7.4% to +5.0% | 0.0% |
| above | Day +10 | 8 | +1.9% | -5.9% to +2.5% | 63% | -7.0% to +3.6% | 0.0% |
| below | Day +1 | 7 | -0.2% | -1.4% to +1.5% | 43% | -2.5% to +6.9% | 0.0% |
| below | Day +3 | 7 | +1.5% | +0.1% to +4.8% | 71% | -2.7% to +5.9% | 0.0% |
| below | Day +5 | 7 | +0.4% | -0.1% to +5.4% | 57% | -3.5% to +7.8% | 0.0% |
| below | Day +10 | 7 | +0.2% | -3.2% to +3.4% | 57% | -4.3% to +7.6% | 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/ECHO.json)
- [Historical CSV](https://halfonadouble.com/api/v1/history/ECHO.csv)
- [Complete advanced analysis](https://halfonadouble.com/api/v1/analysis/ECHO.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).
