Google parent company Alphabet will buy Fitbit, putting the tech giant head to head with Apple in the fitness tracking space. The deal values Fitbit around $2.1 billion at a fully diluted equity value, according to Friday's announcement. Fitbit's stock surged 16%, while shares of Alphabet were up about 0.8% Google will pay $7.35 per share in cash for the acquisition, Fitbit said. Fitbit's all time high share price was $51.90 on Aug. 5, 2015, a couple months after its stock market debut at $30.40. The deal is expected to close in 2020, according to the announcement. On Monday, Fitbit's stock surged more than 30% on news that Alphabet had made an offer to acquire the smartwatch maker. As of Monday's close, Fitbit's market cap sat at $1.5 billion, up $340 million from the previous trading day.

Fitbit Insire HR Todd Haselton | CNBC