BCHG NAV valuation index changing to CoinDesk BCH CCIXber Reference Rate from Oct 1

Grayscale Bitcoin Cash Trust (BCH)

Effective Oct 1, 2025, BCHG NAV will use the CoinDesk BCH CCIXber Reference Rate instead of the prior CoinDesk Bitcoin Cash Index (BCX).
New index is a volume-weighted real-time price from Constituent Trading Platforms such as Crypto.com, Kraken, LMAX Digital, and Bitstamp.
Index methodology includes outlier detection, inactivity adjustment, and manipulation resistance; exact algorithm is not publicly available.
If the primary index is unavailable, the Sponsor will use a cascading fallback: Coin Metrics Secondary Index, then a Tertiary Pricing Option, then a good-faith estimate.
No financial impact or change in Trust holdings was disclosed; the change is purely a valuation methodology update.

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