Yen firms as BOJ seen teeing up December hike; JGB yields punch toward 2%, USD/JPY slips below 155
Traders ramped up bets on a Bank of Japan rate hike later this month, lifting government bond yields and pushing the yen higher as markets brace for what could be the central bank’s last move in this cycle.
JGB yields climb, yen gains as hike odds rise
Japanese 10-year government bond yields jumped more than 4 bps to around 1.94%, nearing the psychological 2% threshold as reports pointed to a December rate increase. The move tightened financial conditions and underpinned the yen, with USD/JPY retreating 0.2% to test below 155.00 intraday.
While many investors argued an October hike would have been cleaner from a signaling perspective, policymakers appear intent on squeezing in one more move before their window narrows. Political resistance persists—Prime Minister Takaichi has been vocal about discouraging additional tightening given fiscal priorities—but market pricing is leaning toward a December adjustment nonetheless.
FX focus: Key levels for USD/JPY
The 155 figure remains the near-term pivot. A decisive break and daily close below could open a path toward the early-November lows near 152.80–153.00, where dip-buying last emerged. The pair’s recent defense of 155 into the prior daily close underscores the level’s importance for momentum accounts and options hedging flows.
Macro pulse and policy outlook
Under the surface, the policy mix remains complicated. Even if the BOJ delivers a December hike, markets are skeptical the central bank can string together more increases in the face of fiscal dovishness and still-fragile domestic demand. That tension is likely to keep yen volatility elevated and JGB term premia biased higher into year-end, with spillovers to global rates sensitive risk assets.
Key Points
- Reports suggest the BOJ is likely to raise rates in December, prompting a rise in JGB yields to about 1.94%.
- USD/JPY slipped below 155.00; a clean break risks a move toward 152.80–153.00.
- Political pushback from Prime Minister Takaichi continues, but markets are pricing in one more BOJ hike.
- Post-December path looks uncertain, keeping yen volatility and rate risk elevated.
- Risk appetite may stay fragile as Japanese yields climb and FX technicals tighten financial conditions.
Market implications
– Rates: Higher JGB yields may pressure global long-end benchmarks as Japanese investors reassess hedged foreign bond allocations.
– FX: A sustained break below 155 in USD/JPY could unleash momentum selling toward November troughs; failure to hold could see short-covering back toward 156–157.
– Equities: Rising domestic yields challenge equity valuations, particularly in rate-sensitive sectors, while exporters face a mixed backdrop as yen gains trim FX tailwinds.
FAQ
Is the BOJ expected to hike rates this month?
Reports indicate policymakers are preparing to raise rates in December, aiming to complete one more move before the policy window narrows.
Why is the yen stronger today?
Higher Japanese yields and rising odds of a December BOJ hike boosted the yen, pulling USD/JPY back below the 155 handle.
What are the key technical levels for USD/JPY?
155.00 is the near-term pivot. A firm break below targets the early-November lows around 152.80–153.00. A bounce that reclaims 155.50–156.00 would soften the downside bias.
How do rising JGB yields affect global markets?
Climbing JGB yields can tighten global financial conditions by lifting term premia and influencing Japanese investors’ overseas bond allocations, with knock-on effects for FX and equities.
Could the BOJ hike again after December?
The path beyond December is uncertain. Fiscal dovishness and growth considerations could constrain further tightening, a dynamic that may keep yen and JGB volatility elevated, according to BPayNews analysis.
Last updated on December 4th, 2025 at 10:01 am







