Intercontinental Exchange (ICE) is partnering with blockchain startup Blockstream launch a new crypto data feed, providing historical and real-time prices against USD.
Blockstream will be responsible for actually collecting the data from different exchanges, and will present it in a similar fashion to current data streams present in stock exchanges. The information presented will include real-time price data, as well as historical pricing.
https://www.coindesk.com/nyse-parent-company-launches-crypto-trading-data-stream-for-exchanges/