Yields on long-dated Japanese government bonds are increasing, with a prominent rise expected by January 2026. This uptick is linked to concerns over Japan’s fiscal outlook due to announced spending plans as the general election approaches.
Japan’s government debt to GDP ratio has been decreasing, mainly supported by increased tax revenues. The refinancing of low coupon bonds from the era of ultra-low interest rates at higher rates is expected to raise debt servicing costs.
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The recent surge in long-dated Japanese government bond yields presents a clear opportunity. We are now seeing the 10-year yield push past 1.25%, a level not seen since the Bank of Japan began its aggressive easing policies over a decade ago. Positioning for further yield increases by shorting JGB futures or buying put options on those futures appears to be a prudent strategy for the weeks ahead.
This sharp rise in domestic yields is making the Yen fundamentally more attractive, reversing some of the capital outflows we witnessed through much of 2025. The USD/JPY currency pair has already broken below the 138 level, dropping sharply from over 145 just a few weeks ago. We anticipate further Yen strength, which suggests going long JPY call options or considering outright short positions in USD/JPY futures.
impact on japanese equities and political uncertainties
Higher borrowing costs are creating serious headwinds for Japanese equities, as the cheap financing that fueled the market’s rally in 2025 evaporates. The Nikkei 225 index has already pulled back over 5% from its recent highs in direct response to the bond market sell-off. Hedging long equity portfolios or initiating new short positions via Nikkei 225 futures is a necessary response to this new interest rate reality.
The Prime Minister’s spending proposals are stoking fears about fiscal discipline, especially with Japan’s debt-to-GDP ratio still hovering near 250%, even after the slight improvement seen last year. This political uncertainty ahead of the election is driving up implied volatility across all Japanese assets. We believe buying straddles or strangles on major indices could be an effective way to trade the expected price swings.
