Roku and Amazon estimated that their partnership will enable marketers to sell ads to a combined audience of about 80 million households.

Streaming stock Roku Inc (NASDAQ:ROKU) was last seen up 10% at $81.88, after the company announced a deal with Amazon.com (AMZN) to create a connected TV footprint. Combined, the two companies cover an estimated 80 million connected-TV households, and marketers will now be able to use Amazon's ad-buying system to reach that merged audience.

Amazon Ads and Roku, Inc. (NASDAQ: ROKU) announced a new integration that gives advertisers access to the largest authenticated CTV footprint in the