Interest Rate Differential
Definition
The difference in interest rates between two countries, a primary driver of currency exchange rates and carry trade activity. Higher-yielding currencies attract capital inflows and tend to appreciate.
Formula / Rules
IRD = Interest Rate (Currency A) − Interest Rate (Currency B)
Example
A large positive interest rate differential in favor of the USD vs. JPY attracts carry traders who borrow yen and invest in dollars.
Related Terms
Frequently Asked Question
What is the Interest Rate Differential?
The interest rate differential is the gap between two countries' rates. Carry traders borrow low-rate currencies and invest in high-rate ones to capture the spread. The Fed-BOJ differential drives USD/JPY.
APA Citation
Last updated:
· Source: VixShield Trading Glossary — From SPX Mastery by Russell Clark
⚠️ Not financial advice. This definition is educational content from the SPX Mastery book series by Russell Clark (VixShield). Past performance is not indicative of future results. Trading options involves substantial risk of loss and is not appropriate for all investors. Always paper trade before risking real capital.