Yen Hits 40-Year Low: Japanese Automakers Could Reap $5.8 Billion in FX Gains

0xBroomberg
Published 2026-06-25About 8 min read

The yen is hovering near 161 per dollar, a four-decade low. Bloomberg estimates Japan's major automakers stand to pocket roughly ¥934 billion ($5.8 billion) in extra profit this year — yet the same weak yen is squeezing domestic-facing businesses, with 40% of surveyed firms reporting a negative hit.

01

Where does the $5.8 billion "bonus profit" come from?

Every year, Japanese automakers set a "budget rate" to forecast earnings. Toyota budgeted ¥150/USD, Honda ¥145, Nissan ¥150, Subaru and Mazda ¥155.
The actual rate is now 161 — weaker than every single assumption. This means → every dollar earned overseas converts back into more yen than planned.
In plain terms = the carmakers drew up their books at a cautious exchange rate; the yen turned out even cheaper, and the gap is pure upside.
02

Does the oil-price plunge stack another layer of good news?

After the US-Iran peace deal, expectations of the Strait of Hormuz reopening sent crude tumbling — yen-denominated oil prices have fallen over 30% from their late-April peak.
In May, Toyota warned that Middle East instability would drag on profits by ¥67 billion and guided for full-year operating income of ¥3 trillion (down 20% year-on-year).
Analysts' consensus has already reached ¥4 trillion. This means → between the FX tailwind and cheaper oil, Toyota's conservative forecast has roughly ¥1 trillion of room to be revised up.
03

Airlines — does cheap oil or a weak yen win out?

Jet-fuel prices have dropped to less than half their March peak — a direct cost saving for carriers.
But ANA's budget rate was ¥155; the actual yen has weakened to 161, which pushes up yen-denominated fuel procurement costs.
In plain terms = oil got cheaper, but the yen got cheaper too. The two forces offset each other, and the net impact remains unclear.
04

How hard is the weak yen hitting domestic businesses?

A Tokyo Shoko Research survey found 40.7% of companies said the roughly ¥159 rate was hurting operations. The hardest-hit sectors: wholesale, retail, and manufacturing.
Surveyed firms put their "ideal rate" at ¥136.8 per dollar — nearly 15% stronger than today's 161.
This reflects a deepening split: a weak yen is a windfall for exporters but a profit drain for import-dependent domestic firms. The divergence between sectors is widening.
05

Who is already bracing for an extreme yen?

Import furniture retailer Nitori disclosed that every 1-yen depreciation cuts operating profit by ¥2 billion. Its budget is set at ¥155, but product development already assumes ¥165.
This means → Nitori has built a 10-yen cushion; even if the yen weakens further, it retains a short-term margin of safety.
A UBS analyst noted that many domestic-focused firms have boosted FX resilience through overseas expansion — but whether they can pass costs on to consumers will be the key variable driving industry divergence and consolidation.

Content is for reference only, not financial advice.