---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-088560"
form_type: "8-K"
ticker: "ETCG"
cik: "0001705181"
company_name: "Grayscale Ethereum Classic Trust (ETC)"
filed_at: "2024-07-31T23:59:59+00:00"
generated_at: "2026-05-31T14:26:17.866708+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Grayscale Ethereum Classic Trust index adds Bitfinex, removes Crypto.com effective July 28

## Summary
- CoinDesk Ether Classic Price Index (ECX) now includes Coinbase, Kraken, and Bitfinex.
- Crypto.com removed from index for failing to meet minimum liquidity requirement.
- Bitfinex added after meeting minimum liquidity criteria.
- Index Provider may change trading venues at any time; quarterly reviews scheduled.

## SEC filing metadata
- accession: 0000950170-24-088560
- form_type: 8-K
- ticker: ETCG
- cik: 0001705181
- company_name: Grayscale Ethereum Classic Trust (ETC)
- filed_at: 2024-07-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1705181/000095017024088560/0000950170-24-088560-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1705181/000095017024088560/etcg-20240728.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-088560
- JSON: https://secwatch.observer/filing/0000950170-24-088560.json
- Plain text: https://secwatch.observer/filing/0000950170-24-088560.txt

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