London Silver Market Shortage Intensifies

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Dec 25, 2025

The London silver market is showing extreme distortions, with swap rates hitting record negatives. Physical metal is now far more expensive than future delivery – a clear sign of shortage. But how far can this go before something breaks?

Financial market analysis from 25/12/2025. Market conditions may have changed since publication.

Have you ever wondered what it really looks like when a market starts to crack under the weight of its own contradictions? Not the flashy crashes we see in stocks, but something quieter, more insidious – a slow-motion run on a commodity that’s supposed to be rock-solid. Lately, I’ve been watching the silver market with a mix of fascination and concern, and the signals coming out of London are hard to ignore.

Silver has always had this dual personality: part industrial metal, part monetary haven. But right now, the physical side is screaming for attention while the paper side tries to pretend everything’s normal. It’s like watching a dam develop tiny leaks that no one wants to admit could turn into a flood.

The Hidden Signal in Silver Swap Rates

At the heart of this story is something called the silver swap rate. If you’re not deep into precious metals trading, it might sound obscure, but it’s actually a crucial pulse check for the market. Essentially, these swaps let big players exchange silver exposure for dollars without actually moving any metal around. It’s efficient – until it isn’t.

Recently, the one-year silver swap rate compared to US interest rates has plunged deep into negative territory. We’re talking about -7% or worse. Think about that for a second. Normally, holding physical silver costs money – storage, insurance, security. So future silver should trade at a premium to spot, right? Yet here we are with the exact opposite happening.

Physical silver today is significantly more expensive than silver promised for delivery a year from now. This inversion isn’t supposed to happen in a healthy market.

In my view, this isn’t just a quirky anomaly. It’s a distress signal. When people are willing to pay more for silver now than for silver later, despite all the carrying costs, it suggests a real fear of not getting delivery down the line. Demand for immediate physical metal is overwhelming the system’s ability to supply it smoothly.

Why Negative Spreads Matter More Than Headlines

Market watchers often focus on price charts or mining output numbers, but these swap distortions cut closer to the truth. They reveal the cost of borrowing physical silver in the wholesale market. When that cost goes sharply negative (when adjusted for interest rates), it means lenders are desperate to get their metal back, or borrowers are hoarding whatever they can grab.

I’ve followed precious metals for years, and I’ve rarely seen this indicator push so far into extreme territory. The gap from “normal” levels keeps widening, not narrowing. That tells me the underlying shortage isn’t easing – if anything, it’s getting more entrenched.

  • Swap rates reflect real-world borrowing costs for physical metal
  • Negative spreads signal acute near-term scarcity
  • Historical normalization levels are far above current readings
  • Widening distortion suggests building pressure, not relief

Perhaps the most interesting aspect is how long this can persist. Markets can stay irrational longer than we expect, but physical constraints eventually win out.

The Mechanics Behind the Strain

London has long been the center of the global precious metals trade, connecting physical vaults with financial contracts. The system relies heavily on unallocated accounts – basically IOUs backed by a shared pool of metal. It’s efficient and keeps costs down, but it also creates enormous leverage.

When confidence is high, everyone’s happy with paper claims. But when doubt creeps in, even at the margins, holders start demanding actual bars. And that’s where the problem emerges: there simply isn’t enough readily available physical silver to cover all the claims if too many people ask at once.

Storing physical silver isn’t trivial. A serious position weighs hundreds of kilograms, requires secure vaulting, insurance, regular audits. Most investors prefer the convenience of paper exposure. Until they don’t.

The current pricing is asking a fundamental question: how much unallocated silver actually exists versus the claims against it?

Market observer insight

Physical Movement Tells the Real Story

One of the clearest signs of stress? Metal is actually moving. Despite all the sophisticated financial tools designed to avoid shipping bullion around the world, physical silver is now being transported because buyers insist on delivery.

This isn’t how the modern system is supposed to work. Swaps and futures were created precisely to eliminate the need for constant physical shuffling. When that breaks down, it reveals deep imbalances between regions and market segments.

We’ve also seen extreme spreads develop between major exchanges. The gap between certain futures contracts has grown so wide that it creates powerful arbitrage incentives – essentially rewarding anyone who can move metal from lower-priced locations to higher ones.

What History Teaches Us About Such Distortions

Precious metals markets have experienced tight physical conditions before, but the current setup feels different. The combination of industrial demand growth, investment interest, and decades of financial layering has created a more fragile structure.

Past episodes of backwardation or lease rate spikes eventually resolved – sometimes painfully. Prices adjusted sharply higher until either demand cooled or new supply emerged. Given today’s starting point, with mining output struggling to grow and recycling limited, the path to rebalancing looks challenging.

  1. Distortion appears in financial indicators
  2. Physical delivery demands increase
  3. Arbitrage opportunities emerge
  4. Price adjusts until balance restores

The question isn’t whether equilibrium will return – markets always find it eventually. It’s about the path and the cost.

Investment Implications in a Tight Market

For investors watching this unfold, the implications are significant. Persistent physical premiums suggest that owning actual metal – or claims tightly linked to it – carries advantages over purely financial exposure.

Of course, holding physical comes with its own challenges. But in an environment where delivery risk is being priced in, those costs start looking more reasonable. The market itself is revealing preferences through pricing.

I’ve found that these kinds of structural signals often precede major moves. When financial plumbing starts creaking this loudly, it’s worth paying attention. The rally we’ve seen so far might have fundamental support that’s stronger than many appreciate.

Looking Ahead: How This Might Resolve

Eventually, something will give. Either prices rise enough to ration demand and encourage new supply, or the financial system adapts with new mechanisms, or both. But the longer these distortions persist, the more embedded the shortage becomes.

Watching indicators like swap rates, physical premiums, and delivery patterns provides the best real-time view of underlying conditions. They’re less exciting than daily price swings but far more revealing.

In my experience, markets that show this kind of internal stress rarely resolve quietly. The London silver market appears to be telling us that the era of easy physical availability at financial prices may be ending. Whether that leads to a gradual adjustment or something more dramatic remains to be seen.

One thing feels certain: ignoring these signals would be a mistake. The metal itself is speaking through pricing, and right now, it’s saying supply is tight and getting tighter.


These developments remind us why precious metals have endured as stores of value across centuries. When financial systems strain, the physical reality reasserts itself. Silver’s current message seems clear: the paper world and the physical world are increasingly out of sync, and reconciliation will come at a price.

I don't measure a man's success by how high he climbs but by how high he bounces when he hits the bottom.
— George S. Patton
Author

Steven Soarez passionately shares his financial expertise to help everyone better understand and master investing. Contact us for collaboration opportunities or sponsored article inquiries.

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