Geopolitics has a habit of blindsiding financial markets and the current moment is no exception. An oil price shock, supply chain disruptions, questions about central bank independence, and the shadow of a potential superpower confrontation have combined to create a genuinely unsettling backdrop. Business confidence has already taken a hit, investment decisions are being deferred, and the word "stagflation" is once again entering the lexicon. And yet, for all the noise, the case for panic remains premature.

The reason is liquidity and the sheer scale of it. Over a recent three-week period, the US Federal Reserve and Treasury injected roughly $180 billion into the American financial system. Meanwhile, the People's Bank of China has been intervening in currency markets to the tune of an estimated $250–300 billion per month, buying bonds in the US, Europe, and Japan to prevent the yuan from appreciating. That is, in effect, a global quantitative easing programme being conducted through the back door. Very few market commentators are talking about it, but its impact on asset prices is enormous.

This is the central tension at play: the real economy is deteriorating, but the monetary authorities are flooding the system with enough liquidity to keep markets remarkably buoyant. We saw this playbook during the pandemic. The global economy suffered the largest demand shock in living memory, yet markets rallied sharply because of the wall of money behind them. Today's figures are not quite at those extremes, but they are in a similar ballpark.

It is also worth noting what this crisis is not. It is not the 1970s, because the US is far less oil-dependent than it was. It is not the dotcom bust, because today's technology giants generate real cash flows. And it is not the GFC, because the private credit sector, while exhibiting some worrying leverage practices, does not appear to pose a systemic risk to the banking system in the way subprime mortgages did. The trouble is that we have a little bit of each an oil shock, a speculative fringe in AI-linked private credit, and a stretched consumer and it is the combination, rather than any single factor, that warrants careful attention.

The key variable to watch is not the headlines, but the plumbing. Recent data from the US banking system suggests that despite the Fed's liquidity injections, banks are not expanding their balance sheets. They are buying some Treasuries and shedding credit exposure. Even lending to corporates, which had been booming as companies locked out of private credit markets returned to traditional banks, has started to slow. As one seasoned macro analyst put it, the pipes are not yet blocked, but they are making some very odd noises.

The other watchpoint is China. If Beijing were to reverse its currency intervention, allowing or encouraging the yuan to strengthen, thereby withdrawing that flood of capital from Western bond markets, the consequences would be severe. Bond yields would spike, collateral values would fall, and the leveraged structures underpinning much of the current market architecture would come under serious pressure.

For now, however, that remains a tail risk rather than a base case. The signal is amber, not red. The time for caution is approaching, but the time to run for the hills has not yet arrived.