> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cryptoquant.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Fund Data & Premium

> Fund and premium indicators — Grayscale GBTC/ETHE holdings and premiums, Coinbase Premium, Korea Premium Index, and Bank Supply Ratio — that gauge institutional and regional demand.

* [Grayscale Bitcoin Trust (GBTC)](/data-guide/fund-premium/grayscale-bitcoin-trust-gbtc)
* [GBTC Digital Asset Holdings](/data-guide/fund-premium/grayscale-bitcoin-trust-gbtc/gbtc-digital-asset-holdings): Grayscale BTC Holdings represents how much BTC Grayscale is holding for its investment. It is calculated by multiplying GBTC's shares outstanding and assets per share.
* [GBTC Premium or Discount](/data-guide/fund-premium/grayscale-bitcoin-trust-gbtc/gbtc-premium-or-discount): The percent difference between the market price (GBTC) and native asset value (BTC). Higher the premium indicates the U.S. bull market.
* [Grayscale Ethereum Trust (ETHE)](/data-guide/fund-premium/grayscale-ethereum-trust-ethe)
* [ETHE Digital Asset Holdings](/data-guide/fund-premium/grayscale-ethereum-trust-ethe/ethe-digital-asset-holdings)
* [ETHE Premium or Discount](/data-guide/fund-premium/grayscale-ethereum-trust-ethe/ethe-premium-or-discount)
* [Coinbase Premium](/data-guide/fund-premium/coinbase-premium): Coinbase Premium is the gap between Coinbase Pro price (USD pair) and Binance price(USDT pair)
* [Korea Premium Index](/data-guide/fund-premium/korea-premium-index): Korea Premium Index is the percent difference between the market price of Korean exchanges and other exchanges
* [Bank Supply Ratio](/data-guide/fund-premium/bank-supply-ratio): Bank Supply Ratio is calculated as the bank reserve divided by the total supply.