The trade:
Selling 1 CAT Sep 82.5 Call at $2.38 for every 100 shares of stock bought at $83.45
Should the stock stay above 82.5 through September expiration this trade would profit $1.43. The trade is still profitable anywhere above $81.07. If the stock is above 82.5 on expiration this would net a trader a monthly return of 1.71%, or an annualized return of 22.42%.