marginal profit; gain from price difference
Refers to profit arising from the difference between buying and selling prices, or from favorable exchange rate movements. Common in business and finance.
為替差益が今期の利益を押し上げた。
Foreign exchange gains boosted this term's profits.
We made a profit from the yen's depreciation.
We make a profit from the margin between the purchase price and the selling price.
株の売買で差益を得た。
I made a profit from buying and selling stocks.
We booked a marginal profit this term.
差益 is a difference that represents a profit or gain, whereas 差額 is neutral and can refer to any monetary difference, positive or negative.
差益 is a gain from a price or exchange-rate difference, while 差損 is the corresponding loss.
差額 is a neutral term for any difference in amount, whereas 差益 specifically refers to a favorable difference that results in profit.
exchange gain; profit on currency exchange
Compound of 差 (difference) and 益 (profit, benefit). The reading さえき is a standard on'yomi combination.