Potential market crash looming due to Japanese bonds?
Japanese bond rates surge, posing unprecedented pressure on the global economy. Japan, traditionally seen as a cornerstone of monetary stability, risks triggering a financial earthquake if the Bank of Japan loses control of its yield curve. Stocks, currencies, crypto – all markets could be cascadingly affected. Is a widespread market crash imminent? Here are the key indicators to monitor.
Translated on December 1, 2025 at 08:41 by Simon Dumoulin
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Why Is This Surge in Japanese Yields Threatening Global Markets?
Analyst Shanaka Anslem Perera summarizes the situation strikingly: “For three decades, Japan was the anchor… That anchor is breaking.” This metaphor perfectly captures the magnitude of the change underway in the markets. Japanese institutions hold approximately $1.1 trillion in U.S. Treasury securities. When domestic yields were near zero, investing abroad was an obvious choice. Today, that calculation is changing dramatically.
THE CHART THAT SHOULD TERRIFY EVERY PORTFOLIO MANAGER ON EARTH
Japan’s 10 Year Government Bond Yield just hit 1.84%.
More attractive Japanese yields reduce the incentive for Japanese investors to seek returns elsewhere. This potential capital repatriation comes at a particularly delicate moment for the United States, with the U.S. Treasury issuing record volumes of debt and the Federal Reserve having ended quantitative tightening. The convergence of these factors creates a tighter liquidity environment.
For crypto markets, the implications are direct and multifaceted. When the yen strengthens and global bond yields rise, leverage costs increase. Traders using the yen as a funding currency for their crypto positions see their fees climb, compressing margins and reducing risk appetite. Cryptocurrencies don’t have a direct link to the Japanese bond market, but they move with the global liquidity cycle. Less liquidity typically means increased volatility and selling pressure on the riskiest assets.
Japan’s Stimulus Plan Adds Pressure on Long-Term Yields
The new 21.3 trillion yen stimulus plan proposed by Prime Minister Takaichi amplifies the upward trend in yields. More government spending requires more bond issuance, precisely as the Bank of Japan reduces its asset purchases. This dynamic pushes long-term yields upward. The 30-year bond yield has thus reached 3.40%, a record level reflecting market concerns about fiscal sustainability.
This fiscal evolution creates a feedback loop. Higher yields make debt servicing more expensive, complicating the government’s budgetary situation. Simultaneously, these attractive yields draw domestic capital away from foreign assets. For emerging markets and cryptos, this reallocation represents a potential source of significant selling pressure.
The post-2008 financial architecture must indeed be recalibrated, as Shanaka emphasizes. Valuation models for risky assets, including Bitcoin and altcoins, relied heavily on monetary ease. Japan played a central role in this equation. With the end of this era, all asset classes will need to adapt to an environment where capital becomes more selective and more expensive. For crypto investors, understanding these macroeconomic dynamics becomes essential to navigate the coming months with clarity.
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