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Andy Home: Tin price bubble is a source of trouble and toil for the global industry

London and Shanghai markets have seen a surge in tin prices, which are now at all-time highs.

According to the China Nonferrous Metals Industry Association, the rally is "unreasonable". Last month, it warned all parties to "avoid following trends blindly".

Beijing's warning has not deterred Chinese traders from chasing prices higher and higher.

On Thursday, the volume of trading in the?tin contracts on Shanghai Futures Exchange (ShFE) exceeded one million metric tonnes. This is more than double the annual global physical consumption.

Tin is in a clear speculative boom, which will burst as soon as trends change. The mismatch between physical market size and interest in investing foreshadows future volatility.

Not just for tin. The current tidal waves of investor purchases washing through the industrial-metals sector may be a sign for other metal supply chain.

EXUBERANCE IRRATIONALE

Since several months, the London Metal Exchange (LME), tin contract has been on the rise. However, this week it exploded as Chinese investors brought with them their financial power to the rally.

On Tuesday, LME's three-month metal surpassed the previous price peak of March 2022 at $51,000 a metric ton and soared to $54,760 per metric ton by Wednesday.

The main narrative is a?shortfall in supply.

Tin's structural issues with supply are well-known. Global mine production is concentrated in too few nations and heavily dependent on frontier jurisdictions, such as the Democratic Republic of Congo or the semi-autonomous Wa State of Myanmar.

This rally is not a good time.

In recent months, the supply of tin has improved.

Since the M23 insurgency was in danger of overrunning the Bisie mine in Congo a year earlier, the threat has diminished. After a successful third quarter, Alphamin Resources raised its production forecast for the year.

After a long absence, the giant Man Maw Mine in Myanmar has also begun to show signs of renewed productivity. China imported 7,190 tonnes of tin-based raw materials from Myanmar in November. This was the highest monthly total since August 2024.

According to the Indonesia Tin Exporters Association, Indonesia will continue to crack down on illegal mining, but the upside is that official sector production quotas are expected to increase from 53,000 ton in 2025 to 60 000 ton in 2026.

There is no shortage of refined tin right now.

Metal producers and traders have contributed significant amounts to the recent price rise. The combined stocks of the LME and ShFE rose from 11,000 tones at the end October to more than 19,000 tons.

Inventory was less than 5,000 tons at the previous peak of 2022.

When China's metals regulator describes the tin price's extreme rise as "unreasonable", they may be right.

LIQUIDITY MISMATCH

Paraphrasing economist John Maynard Keynes: a market may remain "unreasonable", longer than you are able to remain solvent.

Investors can have a large impact on the price, especially if there is a small market like tin.

Shanghai is a clear example of this.

China's commodities markets have been characterized by such speculative booms for a long time. It was alumina last year.

Chinese authorities are in a well-oiled firefighting mode. They have raised?trading rates, especially the cost of intraday trading, and limited position sizes for nonmembers.

Tin's story of limited supply and increasing use as a semiconductor-solder has not only attracted the Chinese.

Over the past few years, the number of funds participating in the London Tin Market has steadily increased.

The investment fund's long position reached a record high of 2,887 contracts in 2021 or early 2022 when tin prices were at their highest. This is equivalent to 14,435 tonnes. The investment fund long position reached a record of 5,753 contracts or 28,765 tons at one point last month.

The liquidity rush has increased volatility in a market that is known for its wild price swings.

Futures frenzy is causing real problems in the supply chain, as consumers and producers struggle to cover their margins.

When does price risk take precedence over liquidity risk? How long can you remain solvent?

FUNDS AND FUNDAMENTALS

Tin was not a popular metal a few years back. Most fund managers did not invest in tin because the market was too small both for physical volume and futures activity.

This is changing, as the world begins to realize the centrality of tin in the Internet of Things. No circuit boards, no internet. In our hyper-connected, connected world, there is very little more.

The result is that too much money floods into a market unprepared to handle it.

CNMIA is the voice of the world's biggest refined tin producers and users. It is very clear on the dangers posed to the present exuberance.

The rapid price rise driven by funds has diverged from industry fundamentals and magnified market risks, harming the global chain of industry.

Tin's dramatic story may be a timely reminder for other metals in demand, such as copper, as fund money floods the industrial metals sector in search of other hard assets than gold and silver.

Andy Home is an author and columnist. The opinions expressed in this column are Andy Home's. Open Interest (ROI), a data-driven, thought-provoking commentary on the markets and finance. Follow ROI on LinkedIn, X and X.

(source: Reuters)