Japan Signals Readiness In Fx Markets
Japan’s finance minister said authorities are ready to take measures in currency markets as oil prices rise. The Bank of Japan governor said a weaker Yen could raise imported inflation and may speed up policy normalisation, adding that exchange rates now affect inflation more than before. USD/JPY is nearing 160, a level linked to past intervention, while officials have said little. Japan depends heavily on Middle East oil and holds large reserves, which may allow the pair to stay near 160 with limited further Yen weakness. Japan plans to release about 80 million barrels from reserves, or about 45 days of supply. Around 95% of Japan’s oil imports come from the Middle East, with nearly 90% passing through the Strait of Hormuz, and traffic there has been largely blocked during the US-Israel war with Iran. Japan will begin releasing its share from 16 March with the G7 and IEA. Officials said talks continue on timing and allocation, and firms are seeking supplies from the US, Central Asia, and South America.Key Drivers For Yen And Volatility
The Yen is shaped by Japan’s economy, BoJ policy, the US–Japan bond yield gap, and risk sentiment. The BoJ has intervened at times, and its ultra-loose policy in 2013–2024 weakened the Yen before a later unwind narrowed the yield gap. The USD/JPY is currently pushing towards 158.50, which brings back memories of the tensions in early 2025 when the pair was challenging the 160 level. While we haven’t seen official intervention this year, we remember that authorities stepped in around 160.15 in the second quarter of 2025, which makes selling yen calls above 159 a risky proposition. This history suggests that implied volatility on one-month options will likely rise as the pair approaches that critical zone. We are now in a different policy environment compared to early 2025, when the Federal Reserve held rates firm at 3.50%-3.75%. With the federal funds rate now at 2.75%-3.00% after several cuts, the interest rate differential that previously supported the dollar has narrowed significantly. However, since the latest US Core PCE data for January 2026 came in at a sticky 2.8%, traders are now less certain about the pace of future Fed cuts, giving the dollar some underlying support. Governor Ueda’s warnings about imported inflation last year were a clear signal, and the Bank of Japan followed through by ending its negative interest rate policy in late 2025. The policy rate now stands at 0.10%, but this historic shift has not provided the yen with lasting strength. This tells us that the market had already factored in this small hike and is now waiting to see if the BoJ signals a more aggressive hiking cycle. The acute supply shock from the Iran war has eased, but its impact lingers, with WTI crude oil now trading around $84 a barrel, well above the levels seen before the conflict began in 2025. Last year’s coordinated release of 80 million barrels from Japan’s strategic reserves provided temporary relief, but it highlighted Japan’s core vulnerability to energy prices. For traders, this means any renewed instability in the Strait of Hormuz could be a trigger to buy put options on the yen. We have observed that the yen’s role as a safe-haven asset has been less reliable over the past year. During recent market jitters, like the global manufacturing slowdown scare in the fourth quarter of 2025, investors favored the US Dollar more than the yen for safety. In the coming weeks, this suggests we should not automatically buy the yen on signs of global stress, but rather consider long volatility strategies through options like straddles on the USD/JPY pair. Create your live VT Markets account and start trading now.
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