Carry Trade

Borrowing in a low-yielding currency to invest in a higher-yielding one, profiting from the rate differential as long as FX stays stable.

Definition

The classic carry trade was short JPY long AUD/NZD/EM; the post-2022 version is more often short JPY long USD or long EM local rates. Carry compresses volatility during the trade and amplifies it on unwind.

Long carry positioning is one of the most-watched signals because forced unwinds (margin calls, BoJ intervention) cause sharp risk-off moves.

Why it matters

Carry-trade positioning is a hidden volatility risk in the global system. The August 2024 JPY-driven crash is the recent benchmark example.

Worked example

August 5, 2024: short-JPY positions unwound on a BoJ hawkish pivot, triggering a 12% single-day drop in the Nikkei and a global vol spike. VIX briefly hit 65.

Frequently asked

What's the Sharpe of carry historically?⌄

Around 0.4–0.6 long-term, with episodic large drawdowns that dominate the tail.

Why does carry break?⌄

Rate-differential narrowing, central-bank intervention, or risk-off cross-asset shocks that force position unwinds.

How do you hedge carry?⌄

Long out-of-the-money FX puts on the high-yield currency, or VIX/V2X call spreads.

What's covered interest parity?⌄

The condition that forward FX should equal spot times the rate differential. Persistent CIP deviations indicate balance-sheet costs.

Related terms

FX Cross-Currency Basis

DXY (US Dollar Index)

EM Fragility

Tail-Risk Hedging

Geopolitics

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