Global financial markets have demonstrated remarkable resilience over the past five years, absorbing a series of significant economic and geopolitical disruptions without substantial damage. However, according to a Monday note from HSBC, this streak of endurance may face critical tests from several emerging risks.
The Swiss bank identified key vulnerabilities that could shatter the current market stability, including increases in corporate tax rates, a resurgence in private-sector leverage, and a fundamental shift in the historical relationship between stocks and bonds. Additionally, HSBC noted that a removal of perceived central bank support for asset prices could severely impact market sentiment, though the bank cautioned that such a scenario is difficult to envision, particularly in the United States where equities, wealth effects, and financial conditions are deeply interconnected.
Given the disproportionate weight of the U.S. in global equities and credit markets, HSBC argues that the greatest risks originate there. Higher corporate taxes could compress profitability and weigh on valuations, while inflation dropping close to or below target levels could restore a negative correlation between stocks and bonds. In such an environment, bond prices would likely rise when stocks fall, potentially encouraging investors to reduce equity allocations.
Although private-sector debt is currently at multi-decade lows, a renewed rise in leverage could make both the economy and markets more susceptible to shocks. These risks stand in contrast to the recent performance of risk assets, which have continued to ignore negative catalysts despite surging inflation, tariffs, geopolitical conflicts, the unwinding of carry trades, and concerns surrounding private credit.
HSBC strategists described these assets as “Teflon,” highlighting their ability to remain unaffected by a long list of potential negative triggers. Deutsche Bank echoed similar concerns in a separate report, questioning how long this consistency can last amidst rising real rates and mounting inflation pressures.
The report from Deutsche Bank indicated that risk assets like equities and credit appear complacent against stagflationary risks that are increasingly being priced into rates markets. They argued that the current equilibrium is unsustainable, noting that equities and credit are assuming higher yields will not materially damage growth.
Behind this resilience lies strong corporate earnings and economic growth, particularly in the U.S., where consensus estimates have repeatedly underestimated results. HSBC emphasized that this strength extends beyond the technology and artificial intelligence sectors, supported by U.S. corporate tax rates that remain near multi-decade lows.
Another contributing factor is the changing dynamic between stocks and bonds. With government bonds no longer offering the same diversification benefits against equity risk as they once did, investors have reduced bond allocations and shifted toward equities and shorter-term hedging strategies, thereby supporting elevated equity valuations.
A powerful wealth effect has also played a significant role. U.S. household wealth has risen well above its pre-pandemic trend, with much of the increase concentrated among higher-income households. Cash and cash-equivalent holdings are also running significantly above their pre-financial-crisis trends. Meanwhile, central banks now possess a broader array of tools to respond to market stress; the Federal Reserve has nearly 20 potential facilities and backstops, while the European Central Bank has more than a dozen available options.
Finally, lower energy intensity and relatively low private-sector leverage have helped insulate markets from some of the shocks that previously caused significant volatility.
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