What is a 'Hammer' A hammer is a price pattern in candlestick charting that occurs when a security trades significantly lower than its opening, but rallies later in the day to close either above or near its opening price.
To Cancel an Order Online: 1  Sign in to your account. 2  Under the My Best Buyâ¢ heading, select Orders. 3  Click on the order number and select the items you'd like to cancel. Note: Items cannot be canceled online if they have already been processed for shipping, home delivery or store pickup.
Seller Process. Visit the eBay website and log in to your account. Step 2. Enter the ID number of the buyer into the Find Contact Information tool on eBay or enter the item number from the transaction to contact the buyer. Step 3. Send the buyer a message about needing to cancel the order.