利鞘

• Reading: りざや
• Romaji: rizaya
• Kanji breakdown: 利 (ri) — profit, interest; 鞘 (saya) — sheath, scabbard; gap, margin
• Pronunciation: /ɾizaja/

Meaning

Profit spread; margin between buying and selling prices; the gap between borrowing costs and lending rates.

A financial term denoting the margin between two prices — most commonly the difference between a bank's borrowing costs and its lending rates, or between the purchase price and sale price in trading. 利鞘が縮む (the margin narrows) and 利鞘を稼ぐ (to earn a spread) are standard expressions. The full kanji form 利鞘 is preferred in formal banking documents and regulatory filings.

Examples

1. 低金利政策が続くなか、銀行の利鞘は一段と縮小している。 With low interest rate policies continuing, banks' interest rate margins have been narrowing further.
2. 為替の変動が仕入れと販売の利鞘を左右する重要な要因となっている。 Exchange rate fluctuations are a key factor affecting the margin between procurement and sales prices.
3. 卸売業者は少ない利鞘で大量販売することで収益を確保している。 Wholesalers secure their earnings by selling in large volumes on thin margins.

Usage Guide

Context: banking, trading, finance, investment

Tone: neutral

Origin & History

Compound of 利 (profit, interest) and 鞘 (saya — scabbard/sheath of a sword). The metaphor draws on the gap between a sword and its sheath, transposed to finance to represent the margin between two prices fitting against each other.

Cultural Context

Era: Modern

Generation: Adults

Social background: Finance/Business