---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-108392"
form_type: "8-K"
ticker: "ETHE"
cik: "0001725210"
company_name: "Grayscale Ethereum Staking ETF"
filed_at: "2026-03-16T23:59:59+00:00"
generated_at: "2026-05-15T11:51:03.746053+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Grayscale Ethereum Staking ETF to adopt CoinDesk Ether Benchmark Rate for NAV effective April 1, 2026

## Summary
- Effective April 1, 2026, NAV will use CoinDesk Ether Benchmark Rate instead of CoinDesk Ether Price Index (ETX).
- New index is volume-weighted from 11 platforms including Binance, Kraken, Gemini; updates every 5 seconds over 24 hours.
- Index includes real-time outlier detection: trades deviating >5% from latest index are excluded until majority platforms align.
- If primary index is unavailable, fallback is Coin Metrics Real-Time Rate, then principal market price, then Sponsor's estimate.

## SEC filing metadata
- accession: 0001193125-26-108392
- form_type: 8-K
- ticker: ETHE
- cik: 0001725210
- company_name: Grayscale Ethereum Staking ETF
- filed_at: 2026-03-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1725210/000119312526108392/0001193125-26-108392-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1725210/000119312526108392/ethe-20260316.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-108392
- JSON: https://secwatch.observer/filing/0001193125-26-108392.json
- Plain text: https://secwatch.observer/filing/0001193125-26-108392.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.