Bloomberg LP plans to list bitcoin prices on its financial data terminals, a move that could give the volatile digital currency a stamp of respectability and spark interest in U.S.-based trading platforms.

According to a blog post on Bloomberg's corporate website, the more than 320,000 subscribers to the firm's terminals will now have access to bitcoin prices from Kraken and Coinbase, both of San Francisco. Kraken bills itself as a bitcoin exchange while Coinbase, which provides payment processing for merchants and digital...