Short interest in Mastercard is increasing. Over the last week utilisation has increased substantially, rising to 60%. Current news is suggesting Mastercard has spent $880,000 in the first six months of 2007 to lobby the federal government, according to a disclosure form. The share price has been on the decline since July 07 and is currently trading at around $148.00, up 5% close of play yesterday. Market Cap on loan is 9%, this accounts for a total of $1.7 billion on loan.