Types of trades 19Long position:owning an asset (e.g. 100 OMV shares)Short position / short sellingBorrow shares from someone (the owner) usually through a broker, i.e.taking a short position
Sell (short) these shares, say for x
Pay dividends to the owner of the shares
Buy shares back, say for y
Return the shares borrowed, i.e. closing out the short position
Profit / loss = x - y - dividends paid
If the owner wants to sell her shares the broker will simply borrow them from some other costumer. However, ifthere are too many short sales andnot enough costumers from whom to borrow shares, the broker may fail toexecute the trade (“short squeeze”). In a short squeeze the broker hasthe right to force us to close out our short position.Single-period random cash flows: Stocks