将合约牵涉的商品、证券、现金或交割文件送交给合约持有人，并由合约持有人收妥，进而达到商品、证券、现金的转移。
The action by which an underlying commodity, security, cash value, or delivery instrument covering a contract is tendered and received by the contract holder.
Delivery can occur in option, forward, or futures contracts. In most instances, the delivery of the actual underlying is rare--contracts are typically closed before settlement.