View the real-time TNP price chart on Robinhood and decide if you want to buy or sell commission-free. Change the date range, see whether others are buying or selling, read news, get earnings results, and compare Tsakos Energy Navigation against related stocks people have also bought like F, GE, CHK, and KMI. 778 people own Tsakos Energy Navigation on Robinhood on April 4, 2020. $TNP Stock Technical Analysis | Tsakos Energy ... Nov 28, 2019 · Tsakos Energy Navigation Limited provides international seaborne crude oil and petroleum product transportation services worldwide. The company offers marine transportation services to national, major, and other independent oil companies and …