USD/JPY Reclaims 157.00: Japanese Fiscal Expansion Eclipses Ueda Rhetoric at 2026 Start

The foreign exchange market kicks off the first full trading week of 2026 with decisive moves in Japanese yen crosses. This Monday, January 5, 2026, the USD/JPY pair has reversed year-end gains to trade higher, reaching 157.0390, representing a 0.11% advance in the session and marking a two-week low for the Japanese currency. Despite the Bank of Japan’s efforts to maintain a monetary normalization stance, internal fiscal concerns and underlying dollar strength are dictating price action.

The move occurs in a context of rising volume after the holidays, where traders are reassessing carry trade positions and the credibility of Japanese economic policies against an uncertain global environment. While the dollar attempts to consolidate its position, the yen seems unable to capitalize on its central bank’s hawkish comments.

KEY INSIGHT: The Yen’s inability to hold below 156.00, despite Ueda’s rate hike warnings, suggests the market is prioritizing sovereign debt risk from Takaichi’s expansive budget over monetary policy.

Market Context: The Tug of War in Tokyo

The current USD/JPY dynamic results from a direct conflict between fiscal and monetary policy in Japan. On one hand, Bank of Japan Governor Kazuo Ueda reiterated this Monday that the institution “will continue raising interest rates if economic and price projections materialize.” These statements seek to anchor inflation expectations and strengthen the currency.

However, the market is paying more attention to Prime Minister Sanae Takaichi, whose cabinet recently approved a record budget of 122.3 trillion yen. This massive spending plan, designed to stimulate growth, has generated fears about fiscal sustainability and the need for new bond issuances, diluting the restrictive effect the BoJ is trying to impose. Investors fear such loose fiscal policy will force the central bank to be more cautious than desired to avoid triggering public debt financing costs.

On the U.S. front, the dollar holds firm awaiting today’s ISM Manufacturing data release. Additionally, global geopolitical tension (with uncertainty hotspots in Venezuela and other regions) continues offering safe-haven support to the greenback, counteracting any weakness derived from Fed rate cut expectations for this year.

Technical and Fundamental Analysis

From a technical perspective, USD/JPY’s recovery above the psychological 157.00 barrier is significant. The pair had closed 2025 with a slight 0.3% annual gain for the yen, breaking a four-year losing streak, but 2026’s start is proving the structural dollar uptrend against the yen remains alive.

According to today’s market data, the pair has shown the following dynamics:

Trading Economics analysis projects the Yen could trade around 155.60 by this quarter’s end, suggesting that, although current pressure is bullish (Yen weakness), macroeconomic models anticipate some medium-term correction. However, in the short term, intraday resistance breakout and price establishment above 157.00 opens the door to testing higher levels.

Weekly forecasts suggest the pair is trading within a bullish channel. If prices manage to hold above key moving averages, we could see attempts to attack resistances near 159.35. Conversely, failure to sustain 157.00 could lead to a correction toward 153.05 support, though this scenario seems less likely today given buying momentum strength.

Implications for Traders

For retail traders, the current situation demands caution but offers clear trend-following opportunities on short timeframes.

Key points to consider:

* Watch the 157.00 level: This level has shifted from resistance to immediate support. A daily close above 157.03 would confirm bulls’ intention to regain control toward 158.00.
* Fiscal/Monetary Divergence: Do not trade solely based on BoJ headlines. The market is selling Yen due to fiscal deficit fears. If news emerges about new Japanese bond issuances, the pair could rise strongly.
* U.S. Data: Today’s ISM report is the immediate catalyst. A strong U.S. reading could propel the pair quickly toward 157.50 or higher, while disappointment could return it to the 156.50 range.
* Risk Management: Given the pair is reacting to political news (Takaichi budget) and geopolitics, volatility can be erratic. Stops should be placed with room below Asian session lows (around 156.60/80).

Short-Term Outlook

Looking toward the rest of the week, attention will focus on whether USD/JPY can consolidate this 157.00 breakout. The Yen’s 0.72% weakness over the past month indicates momentum is on the dollar’s side.

If global risk aversion increases due to geopolitical tensions mentioned in today’s reports (such as the Venezuela situation), we could see paradoxical flows: Dollar buying as supreme safe haven and Yen and Gold buying as traditional refuges. However, so far, the Dollar is winning that battle. Traders should watch today’s New York close on January 5; staying above 157.0390 would be a very constructive technical signal for dollar bulls heading into the coming days.