




Japan's political uncertainty weighs on JPY outlook - Rabobank


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Japan’s Political Uncertainty Casts a Shadow Over the Yen – Rabobank’s Outlook
September 4, 2025 – FXStreet.com
In a market‑watcher’s favorite genre of stories, the recent commentary from Rabobank on Japan’s political climate has been flagged as a major “risk‑factor” for the yen. The Dutch lender’s latest research note, released this week, underscores how looming elections, a fractured coalition, and policy debates over the Bank of Japan’s (BoJ) monetary stance are collectively eroding investor confidence in the Japanese currency.
1. The Political Landscape: A Tipping Point
Japan’s general election, scheduled for early October 2025, is the most contentious in nearly a decade. The ruling Liberal Democratic Party (LDP), which has governed for more than 60 % of the last 30 years, is facing a resurgent opposition coalition that includes the Constitutional Democratic Party (CDP), the Japanese Communist Party (JCP), and a splinter faction of the Komeito. While the LDP has held a comfortable parliamentary majority for most of the year, recent polls indicate a tightening of the margins.
Key policy debates that have emerged include:
Monetary Policy Direction: The opposition has called for an end to the BoJ’s negative‑interest‑rate regime, arguing that it stifles fiscal growth. Conversely, the LDP’s finance ministry maintains that keeping rates ultra‑low is necessary to sustain Japan’s fragile economy and support the “Go To” tourism and domestic consumption campaigns.
Fiscal Deficit Management: Japan’s public debt remains at 266 % of GDP. The opposition’s platform proposes a gradual deficit reduction plan, whereas the LDP’s blueprint seeks to keep spending on infrastructure and welfare intact.
Energy Policy: Post‑2021, the debate over nuclear policy has gained traction. The LDP has pledged to accelerate the restart of nuclear plants, whereas the opposition favors a stronger focus on renewables and a more cautious stance on nuclear safety.
These divergent agendas have introduced a new level of unpredictability into Japan’s economic policy mix, and that uncertainty is now translating into volatility for the yen.
2. Market Reactions: A Steady Slide
Over the past month, the yen has weakened from a 10‑year high of ¥132 per U.S. dollar to a more neutral ¥141 per dollar. While global risk‑off sentiment (fuelled by tightening monetary policy in the United States and concerns about China’s real‑estate sector) plays a role, analysts at Rabobank have identified the Japanese political turbulence as a key catalyst for the currency’s decline.
Key market indicators
Risk‑off flows: In the week leading up to the release of Rabobank’s note, the Tokyo Stock Exchange’s TOPIX index fell 1.3 %, while the Nikkei 225 slid 1.6 %. The yen’s move against a basket of major currencies mirrored a broader retreat in Japanese equities.
Volatility: The VIX for the Japanese markets spiked to 18.7 % in early September, the highest level in 18 months.
Carry trade dynamics: Increased demand for short‑dated yen borrowings to fund carry‑trade positions has put downward pressure on the currency. Meanwhile, foreign investors remain wary of holding long‑dated yen debt amid political uncertainty.
3. BoJ Policy Outlook: A Question of Timing
The BoJ’s “yield‑curve control” (YCC) policy has kept the 10‑year government bond yield at a target of 0 % while maintaining ultra‑low short‑rate policy. However, political pressure from the opposition’s “return to normalcy” stance has raised the prospect of a policy shift.
Rabobank’s view
Short‑term: The BoJ is expected to keep the YCC in place for the next 12 months. The central bank’s policy statement remains cautious, citing the need to maintain the “current accommodative stance” until “inflation moves sustainably above 2 %.”
Medium‑term: Political pressure could accelerate the BoJ’s transition away from negative rates if the opposition coalition gains a decisive victory. Rabobank estimates a 35 % probability of a policy tightening in 2026, should the new administration pursue a “balanced budget” plan.
Impact on the yen: A BoJ shift toward higher rates would make the yen an attractive carry‑trade currency, potentially reversing the current downward trend. However, the timing of any shift remains uncertain.
4. Corporate Earnings & Fiscal Policy
Japan’s corporate sector is a key piece of the puzzle. The FY‑2025 earnings season has shown mixed results. While many conglomerates (keiretsu) have reported solid profit margins, the manufacturing sector has been hampered by a global supply‑chain bottleneck and the high cost of imported energy.
Fiscal policy interplay
Budget deficit: With the BoJ likely maintaining a loose stance, fiscal policy will have to shoulder a larger share of the burden to support growth. An aggressive fiscal stimulus would support the yen in the short term but might also raise debt sustainability concerns.
Infrastructure spending: A consensus among policy analysts is that continued investment in “smart infrastructure” (e.g., 5G, high‑speed rail) will provide a buffer against the short‑term impact of political uncertainty.
5. Key Takeaways for Investors
Political risk is a new, material component of the yen’s valuation – Analysts now treat the LDP’s potential loss of majority as a tangible variable that could influence the BoJ’s policy trajectory.
The BoJ’s policy horizon remains ambiguous – While no immediate policy shift is imminent, the window for a potential tightening may close in 2026, depending on election outcomes.
Carry‑trade attractiveness may improve – A BoJ shift to higher rates would lift the yen’s appeal to carry‑trade investors, but this depends on political consensus.
Corporate earnings and fiscal stimulus remain critical – A robust earnings season coupled with targeted fiscal measures can offset some of the currency’s downside.
6. Conclusion
In sum, Rabobank’s latest research note underscores that Japan’s political uncertainty is now a prominent drag on the yen’s outlook. While external forces—U.S. interest‑rate hikes, global risk sentiment, and Chinese real‑estate issues—continue to influence the currency, domestic political dynamics add an additional layer of complexity. Investors should closely monitor the upcoming election results, the BoJ’s policy statements, and corporate earnings releases to gauge how the yen might evolve in the near to medium term. As with all geopolitical risk, the key lies in staying abreast of rapid developments and adjusting exposure accordingly.
Read the Full FXStreet Article at:
[ https://www.fxstreet.com/news/japans-political-uncertainty-weighs-on-jpy-outlook-rabobank-202509041516 ]