GBP/JPY
“Dragon / Guppy”British Pound / Japanese Yen
GBP/JPY ('Guppy') is a high-volatility cross combining sterling's sensitivity with the yen's carry and risk dynamics.
GBP/JPY, nicknamed the 'Guppy', is a cross combining the British pound and the Japanese yen. It is known for outsized volatility, because it stacks sterling's sensitivity to UK news on top of the yen's carry-trade and risk-sentiment dynamics.
The pair tends to amplify global risk moves: when risk appetite is strong and carry trades are in favour, GBP/JPY can rally sharply, and it can fall just as fast in risk-off episodes. That makes it popular with volatility-seeking traders and demanding in terms of risk management.
What moves GBP/JPY
- Risk sentiment & carry
Yen-funded carry and risk appetite drive large swings.
- BoE vs BoJ policy
The relative rate paths set the carry and trend.
- UK data & fiscal news
Sterling's sensitivity to UK inflation and politics feeds in.
- BoJ normalization & intervention
Japanese policy shifts and intervention risk move the yen side.
Trading sessions
Active across the Tokyo, London, and overlap sessions; sharp moves often come during London hours.
Volatility
Among the most volatile commonly traded crosses, with large intraday ranges around risk shifts and central-bank events.
Central banks behind this pair
GBP/JPY FAQ
- Why is GBP/JPY so volatile?
- It combines sterling's sensitivity to UK news with the yen's carry-trade and risk-sentiment dynamics, amplifying global risk moves.
- What is the 'Guppy'?
- It is the trader nickname for GBP/JPY, blending 'GBP' and 'JPY'.
- What drives GBP/JPY?
- Global risk sentiment and carry, the BoE–BoJ policy gap, UK data, and Japanese policy/intervention risk.
Related currency pairs
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