Ford Motor (F) calls are seeing active trading for a second day ahead of monthly auto and truck sales numbers, due out tomorrow. Investors seem to expect good news. F shares are up a quarter to $6.03 and 48K calls traded, compared to 15K puts. July 6 and August 7 calls are the most actives, with (a combined) 31K traded and about 55 percent hitting ask-side. Similarly, ISEE sentiment data indicate that 57 percent of the calls trade on the ISE (or 7,800 contracts) are opening customer call buys. Implied volatility is up to 64, from about 58 the day before.