noun
buy contract; long position
Finance term for a contract to purchase an asset at a future date, or a long position in derivatives trading. Often contrasted with 売り建て (sell contract).
See also: 売り建て
先物市場で大豆の買い建てを行った。
We took a long position in soybeans on the futures market.
買い建てと売り建ての両方のポジションを持つことを両建てという。
Holding both a long and a short position is called a straddle.
The opposite contract type: a sell contract or short position.
Compound of 買い (buying) + 建て (building, establishing), referring to the establishment of a purchase contract.