Ford Motor (F, news, chart) calls are active ahead of key events early next week. Shares are up 14 cents to $4.57 and 77,000 Ford call options have traded, compared to less than 6,000 puts. The September and October calls with the 5 strike are the most actives. 33,400 of the Septembers and 31,200 of the Octobers have traded. With open interest of 51,294 in the Septembers and 9,914 in the Octobers, today’s volume might be the rolling of bullish calls from one month to the next. There certainly seems to be some opening buys in the Octobers, as the top trade in those contracts was an order for 18,153 traded on the offer or 35 cents a contract at 13:45 Eastern time on the AMEX. The action comes ahead of Ford US August sales results due out at 13:00 on September 3 and a presentation at the Credit Suisse Global Automotive Conference at 11:15 on the September 4.