Treasury Secretary Scott Bessent, a hedge fund veteran, has emerged as the Trump administration's chief crisis manager, leveraging Japan's historic bond market selloff to deflect blame from the administration's escalating confrontation with European allies over Greenland. In an interview on January 20, Bessent identified "extraordinary volatility" in Japan's bond market as the primary driver of recent global market turmoil, describing it as a "six standard deviation move."
The Japanese bond rout was severe and rapid. Japan's 40-year government bond yield surged above 4% for the first time since its introduction in 2007, while 10-year yields hit levels not seen since 1999. The selloff intensified after Prime Minister Sanae Takaichi announced a snap election for February 8 and confirmed plans to suspend Japan's 8% sales tax on food for two years. This fueled investor concerns about Japan's staggering debt-to-GDP ratio, which is near 240-250%.
Bessent stated he had been in touch with Japanese economic counterparts and expected them to calm the markets. Japanese Finance Minister Satsuki Katayama appeared to answer this call at the World Economic Forum in Davos on January 21, pledging to reduce the debt ratio through "wise spending" and "strategic fiscal measures." The market responded immediately, with JGB yields retreating across all maturities, validating Bessent's pressure-and-response strategy.
Bessent's framing served a dual political purpose. By centering Japan as the source of market stress, he effectively deflected attention from President Trump's threat of 10% tariffs on eight European countries—Denmark, Norway, Sweden, France, Germany, the UK, the Netherlands, and Finland—over their opposition to the US acquisition of Greenland. Bessent claimed the Japan situation was happening "before any of the Greenland news."
The mechanics behind Japan's violent market move are rooted in a shifting financial structure. For years, the Bank of Japan (BOJ) kept borrowing costs artificially low through heavy bond purchases. Since 2024, it has reduced its market footprint, allowing yields to move more freely. Concurrently, foreign investors now dominate marginal trading in Japanese Government Bonds (JGBs). When yields jumped, these leveraged investors exited quickly, causing liquidity to vanish. The BOJ's deliberate restraint, aimed at restoring price discovery, removed the assumption of a guaranteed buyer, accelerating the selloff.
The impact was global. Japan anchors global duration; its rising yields forced selling in other sovereign markets, pushing US 30-year Treasury yields toward 4.9%. Furthermore, as the yen is a key funding currency, rising yields and a weaker yen strained global carry trades, spreading pressure to equities, credit, and emerging markets. The event marked a clear end to the era where Japan's market was insulated from volatility.
Bessent's approach contrasts with his handling of South Korea, to which he offered verbal support for the won despite its larger $550 billion investment commitment to the US compared to Korea's $350 billion. This selective strategy, departing from traditional Treasury doctrine, reflects a hedge fund-style playbook: using genuine market dislocations for political cover while calibrating pressure based on US strategic interests.