---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-029626"
form_type: "8-K"
ticker: "GBTC"
cik: "0001588489"
company_name: "Grayscale Bitcoin Trust ETF"
filed_at: "2023-06-23T23:59:59+00:00"
generated_at: "2026-06-13T18:01:52.964390+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Grayscale Bitcoin Trust removes Binance.US from pricing index after USD suspension

## Summary
- Effective June 17, 2023, Binance.US removed from CoinDesk Bitcoin Price Index (XBX).
- Removal prompted by Binance.US suspending USD deposits/withdrawals and delisting USD pairs.
- Index now uses Coinbase, Kraken, and LMAX Digital; no new exchange added.
- Index Provider may change constituents quarterly; no immediate impact on trust operations.
- Change may affect NAV calculation and premium/discount dynamics for GBTC shares.

## SEC filing metadata
- accession: 0000950170-23-029626
- form_type: 8-K
- ticker: GBTC
- cik: 0001588489
- company_name: Grayscale Bitcoin Trust ETF
- filed_at: 2023-06-23T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1588489/000095017023029626/0000950170-23-029626-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1588489/000095017023029626/gbtc-20230617.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-029626
- JSON: https://secwatch.observer/filing/0000950170-23-029626.json
- Plain text: https://secwatch.observer/filing/0000950170-23-029626.txt

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