Notable call volume in Sunoco today, with shares near $22.48, up 3%. 16,000 calls have traded, 10x the number of puts, with most of the action in the upside Aug 25 calls, with 10,000 on the tape from 50 to 64cents while shares barely moved. Typical daily call volume in SUN is 2800 contracts, and ISE data confirms most of the buying to be opening for a customer account. Earnings due early August and today’s buyer appears to be comfortable spending more than $500k to gain upside exposure in the name.