---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-215494"
form_type: "8-K"
ticker: "ETH"
cik: "0002020455"
company_name: "Grayscale Ethereum Staking Mini ETF"
filed_at: "2025-09-24T23:59:59+00:00"
generated_at: "2026-05-17T05:49:58.527536+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Grayscale ETH Mini Trust ETF index provider adds Gemini, removes Bullish from price index

## Summary
- Effective Sept 21, 2025, CoinDesk Indices added Gemini and removed Bullish from the CoinDesk Ether Price Index (ETX) after a quarterly liquidity review.
- Current constituent trading platforms: Coinbase, Kraken, Crypto.com, LMAX Digital, and Gemini.
- Gemini was added for meeting the minimum liquidity requirement; Bullish was removed for failing it.
- The Index Provider may change platforms at any time and conducts scheduled quarterly reviews.

## SEC filing metadata
- accession: 0001193125-25-215494
- form_type: 8-K
- ticker: ETH
- cik: 0002020455
- company_name: Grayscale Ethereum Staking Mini ETF
- filed_at: 2025-09-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2020455/000119312525215494/0001193125-25-215494-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2020455/000119312525215494/eth-20250921.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-215494
- JSON: https://secwatch.observer/filing/0001193125-25-215494.json
- Plain text: https://secwatch.observer/filing/0001193125-25-215494.txt

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