British Pound spikes down agains Yen triggering intervention concerns

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GBP/JPY drops more than 100 pips in a few minutes to hit session lows at 214.11.
The Yen jumped across the board for no clear reason, raising speculation about action by Tokyo authorities.
A financial counsellor of Prime Minister Takaichi affirmed on Thursday that he expects the BoJ to hike rates once again by year-end.

The British Pound (GBP) has spiked lower against the Yen (JPY) in Thursday’s early European session, with no clear reason to explain the move, triggering speculation of some action by the Japanese Ministry of Finance. The GBP/JPY pair has dropped from highs at 216.00 to 214.85 lows, although it returned above 215.00 shortly afterwards.

The pair moved in tandem with the USD/JPY, which dropped more than 130 pips in a matter of minutes to hit session lows at 161.13 before trimming some lows.

These moves come amid rising speculation about a potential intervention by Japanese authorities to stem Yen weakness, as the Japanese currency dove to its lowest levels in the last 40 years against the US Dollar (USD) this week.

The market, however, expects Tokyo to step in under more favourable circumstances to enhance the impact of the action. In that sense, a potential USD reversal after a dismal US Nonfarm Payrolls report or, else, the highly likely thin trading volumes on Friday, as US markets will be closed for the July 4 holiday, might provide optimal chances.

Earlier on the day, Toshihiro Nagahama, a key private-sector member on Japanese Prime Minister Takaichi's Council on Economic and Fiscal Policy, affirmed that he expects the Bank of Japan (BoJ) to hike interest rates again before the end of the year. This move, however, has been widely anticipated by the market and is unlikely to have triggered the Yen’s sudden recovery.

Japanese Yen FAQs

What key factors drive the Japanese Yen?

The Japanese Yen (JPY) is one of the world’s most traded currencies. Its value is broadly determined by the performance of the Japanese economy, but more specifically by the Bank of Japan’s policy, the differential between Japanese and US bond yields, or risk sentiment among traders, among other factors.

How do the decisions of the Bank of Japan impact the Japanese Yen?

One of the Bank of Japan’s mandates is currency control, so its moves are key for the Yen. The BoJ has directly intervened in currency markets sometimes, generally to lower the value of the Yen, although it refrains from doing it often due to political concerns of its main trading partners. The BoJ ultra-loose monetary policy between 2013 and 2024 caused the Yen to depreciate against its main currency peers due to an increasing policy divergence between the Bank of Japan and other main central banks. More recently, the gradually unwinding of this ultra-loose policy has given some support to the Yen.

How does the differential between Japanese and US bond yields impact the Japanese Yen?

Over the last decade, the BoJ’s stance of sticking to ultra-loose monetary policy has led to a widening policy divergence with other central banks, particularly with the US Federal Reserve. This supported a widening of the differential between the 10-year US and Japanese bonds, which favored the US Dollar against the Japanese Yen. The BoJ decision in 2024 to gradually abandon the ultra-loose policy, coupled with interest-rate cuts in other major central banks, is narrowing this differential.

How does broader risk sentiment impact the Japanese Yen?

The Japanese Yen is often seen as a safe-haven investment. This means that in times of market stress, investors are more likely to put their money in the Japanese currency due to its supposed reliability and stability. Turbulent times are likely to strengthen the Yen’s value against other currencies seen as more risky to invest in.