In the early hours of an Asian trading session shadowed by war and monetary uncertainty, the yen drifted toward its weakest point in two years — a quiet signal of the larger bind facing central banks worldwide. The Federal Reserve had chosen patience over action, deferring any rate relief to 2027, while oil markets lurched upward as Iran's strikes on regional energy infrastructure sent Brent crude past $111 a barrel. Japan's central bank, meeting against this turbulent backdrop, faced a question with no clean answer: how to protect an import-dependent economy from rising energy costs without c
Yen weakens as markets await BOJ decision amid Fed hold and Middle East tensions
The Fed wanted inflation moving faster toward its target
Mark
Why does the yen's weakness matter so much right now? It's just one currency.
Mimi
Because Japan imports almost everything—oil, raw materials, food. A weaker yen makes all of that more expensive in yen terms. So the Bank of Japan faces a trap: let the yen weaken and inflation rises, or strengthen it and exporters suffer and growth slows.
Mark
So the Fed's decision to hold rates is pushing the yen down?
Mimi
Partly. When the Fed signals it won't cut rates soon, the dollar gets stronger because investors want to hold dollars for higher returns. That makes the yen relatively weaker. But it's also about what the Fed's hawkishness signals about the global economy.
Mark
What does the Middle East conflict have to do with any of this?
Mimi
Oil prices. When Iran and others are striking energy facilities, oil climbs. Brent crude jumped to $111.87 a barrel. That's inflation for every import-dependent economy, especially Japan. It complicates the BOJ's decision on whether to raise rates.
Mark
So the BOJ is stuck?
Mimi
Essentially. Raise rates to fight imported inflation and you slow growth further. Hold rates and inflation keeps climbing. The only real variable is how long the conflict lasts and whether oil prices stabilize.
Mark
Is this a crisis?
Mimi
Not yet. But it's the kind of moment where central banks realize their tools are blunt and the world is moving faster than their forecasts. Powell admitted the uncertainty was unusually high. That's honest, but it also means markets are guessing.
Mark
What happens next?
Mimi
Everyone watches the BOJ's decision later that day, then the ECB and Bank of England. If they all hold, it signals central banks are in wait-and-see mode. That usually means more volatility, not less.
Le Pouls
- The yen slid to near two-year lows as the dollar surged on the Fed's hawkish hold, with rate cuts now pushed so far into the future that markets barely priced them in at all.
- Iran's retaliatory strikes on Middle East energy infrastructure sent Brent crude soaring 4.2% to $111.87, injecting a new and volatile inflation risk into every central bank's calculus.
- Fed Chair Powell offered little clarity on how the U.S. would respond to the geopolitical shock, frustrating traders who had hoped for guidance and prompting an immediate repricing of rate-cut expectations.
- Japan's Finance Ministry signaled heightened vigilance over currency volatility, even as the BOJ prepared to hold rates steady — caught between the inflationary pressure of a weak yen and the growth risk of tightening too soon.
- Currency markets globally reflected the tension: the euro, sterling, Australian, and New Zealand dollars all shifted modestly, each economy absorbing the same collision of energy shock and central bank paralysis in its own way.
In the early hours of an Asian trading session shadowed by war and monetary uncertainty, the yen drifted toward its weakest point in two years — a quiet signal of the larger bind facing central banks worldwide. The Federal Reserve had chosen patience over action, deferring any rate relief to 2027, while oil markets lurched upward as Iran's strikes on regional energy infrastructure sent Brent crude past $111 a barrel. Japan's central bank, meeting against this turbulent backdrop, faced a question with no clean answer: how to protect an import-dependent economy from rising energy costs without choking the fragile growth it had only recently begun to nurture. What the markets were watching, in the end, was not just a currency or a rate decision, but the limits of institutional certainty in an uncertain world.
The yen opened Thursday's Asian session under quiet but unmistakable pressure, trading at 159.78 per dollar — close to its weakest level in two years. The force behind it was familiar: a stronger dollar, energized by the Federal Reserve's decision to hold rates steady and push any potential cuts to 2027. But layered on top of that was something newer and more volatile. Iran had struck energy facilities across the Middle East in retaliation for an attack on its South Pars gas field, sending Brent crude up 4.2% to $111.87 a barrel overnight.
At his Wednesday press conference, Fed Chair Jerome Powell projected higher inflation ahead and signaled only a single rate cut this year, while offering almost no guidance on how the central bank would respond to the unfolding conflict. Analysts noted his deliberate vagueness — he declined to say whether inflation or employment effects would dominate the Fed's thinking. The message was enough: traders immediately began pricing out cuts, and the CME's FedWatch tool showed December odds barely above a coin flip.
The dollar index hovered near a four-month high, and Japan's Finance Minister acknowledged that speculators were amplifying the yen's moves. The real question, though, was what the Bank of Japan would signal later that day. Governor Ueda was expected to hold rates, but markets were watching for any hint about timing on the next hike — a question analysts said depended almost entirely on how long the Middle East conflict would last and what it would cost Japan's oil-importing economy.
Across the region, currencies shifted modestly as each economy absorbed the same collision of forces in its own way. Australia's dollar edged up after slightly hotter unemployment data, even as its central bank flagged the Middle East as a material risk. New Zealand's currency gained after GDP growth came in at a tepid 0.2%. The euro and sterling each nudged fractionally higher against the dollar.
What the moment revealed was a world in which central banks — the Fed, the ECB, the BOE, and the BOJ — were all being asked to navigate energy shocks, geopolitical disruption, and the lagging consequences of their own past decisions simultaneously. For Japan, the bind was sharpest: a weaker yen raises import costs and stokes inflation, but tightening too aggressively risks slowing an already fragile economy. There was no clean path forward, only the market's patient, watchful wait to see who would move first.
The yen was sliding toward its weakest point in two years as Asian trading opened on Thursday, caught between a surging dollar and the looming question of what Japan's central bank would do next. At 159.78 yen per dollar, the currency had clawed back slightly from its worst levels, but the pressure was unmistakable. The culprit was familiar: a stronger greenback, buoyed by the Federal Reserve's decision the day before to hold interest rates steady while signaling that cuts—if they came at all—would wait until 2027. But there was something else in the air too. Oil prices were climbing hard, Brent crude jumping 4.2% to $111.87 a barrel after Iran struck energy facilities across the Middle East in retaliation for an earlier attack on its South Pars gas field. That kind of shock ripples through everything.
The Federal Reserve had painted a picture of patience on Wednesday. Chair Jerome Powell held the line on rates while projecting higher inflation ahead, a single rate cut sometime this year, and unemployment holding steady. What he didn't do was offer much clarity on how the central bank would actually respond to the war unfolding in the Middle East. "Chair Powell was extremely vague," said Steve Englander, global head of G10 foreign exchange research at Standard Chartered. "He repeatedly refused to make conjectures on whether inflation or employment effects would dominate." What Powell did make clear was frustration. The Fed wanted inflation moving faster toward its target, and that frustration was conditioning everything else. The message landed: traders immediately began pricing out rate cuts. The CME Group's FedWatch tool showed that odds of a December cut were barely better than a coin flip. By April, markets were fully expecting the Fed to hold again.
The dollar index, which measures the greenback against six major currencies, edged down just 0.1% to 100.11, but it was hovering near its highest level in four months. That strength was squeezing the yen hard. Japan's Finance Minister Satsuki Katayama acknowledged the turbulence, saying authorities were on heightened alert for currency volatility and that speculators were partly driving recent moves. But the real test was coming later that day: the Bank of Japan's own rate decision. The BOJ was expected to hold rates steady, but the question hanging over the meeting was whether Governor Kazuo Ueda would offer any signal about when the next increase might come. That timing, analysts said, hinged entirely on how long the Middle East conflict would last and what it would do to Japan's import-dependent economy.
The geopolitical shock was rippling through currency markets globally. The euro climbed 0.1% to $1.1469, and sterling nudged up 0.1% to $1.3273, both benefiting from the dollar's relative strength. The Australian dollar edged up 0.2% to $0.7040 after unemployment data came in slightly hotter than expected at 4.3%, though the Reserve Bank of Australia was already flagging the Middle East conflict as a material risk to the domestic economy. New Zealand's currency gained 0.3% to $0.5816 after GDP data showed growth of just 0.2% in the fourth quarter—weaker than forecasts and the central bank's own expectations. The Reserve Bank of New Zealand also signaled it would be making changes to how it conducts open market operations. Against the Chinese yuan, the dollar slipped 0.1% to 6.8965 in offshore trading.
What was unfolding was a classic moment of central bank uncertainty colliding with geopolitical shock. The Fed had essentially said it would wait and see. The ECB and Bank of England were expected to hold rates later that day. The BOJ faced the thorniest problem: Japan imports nearly all its oil, so rising energy prices meant imported inflation, yet the economy was already showing signs of slowing. The yen's weakness was partly a symptom of that bind. A weaker yen makes imports more expensive, which pushes inflation higher, which complicates the BOJ's calculus on rate hikes. But a stronger yen would hurt exporters and slow growth further. There was no clean answer, only the uncomfortable reality that central banks were being forced to navigate a world where energy shocks, geopolitical risk, and the lag effects of their own past decisions were all colliding at once. The market was waiting to see who would blink first.
Citations marquantes
Chair Powell was extremely vague on how the FOMC would respond to the war, repeatedly refusing to make conjectures on whether inflation or employment effects would dominate.— Steve Englander, Standard Chartered
The hawkish part was the frustration Powell expressed at the slow pace of disinflation, very explicitly conditioning further policy rate cuts on inflation moving closer to target.— Steve Englander, Standard Chartered
Envie de l'histoire complète ?
Lire l'original sur CNBC ↗
Economy & Finance