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ROI-Resurgent London Metal Exchange rides speculative tsunami: Andy Home

London Metal Exchange (LME), a venerable institution of 149 years, posted record trading volume last year. This is a remarkable turnaround from the dark days four years ago when the nickel crisis was at its height.

Hong Kong Exchanges and Clearing, which owns the London market, has reaped the benefits of the physical market turmoil that has marked Donald Trump's term as president.

The funds finally arrived.

In the fourth quarter, a 'flood' of speculative purchases washed over the LME base-metals complex. The average daily volume of 777.016 contracts during the last three months of 2025 was a quarterly record. It surpassed the previous high of 735.604 contracts set in the second quarter 2014.

LME Futures Open Interest ended the year at a 15% increase compared to 2024, and its highest level since early-2021.

Retail investors in the U.S. flooded into CME's smaller contracts of copper.

TARIFF BOOST

Import tariffs in the United States, which are in effect in the case aluminium, and could be in place in the event of copper, has had a major impact on the physical flow of metals around the globe.

The copper supply chain is still being ripped out to be sent to the United States. As the market (again), bets on a Trump tax on imported refined metal. In June, a decision is expected.

LME copper trading accelerated in February when Trump launched his investigation into U.S. imports of copper. The average daily volume increased by 12% between 2025 and 2024.

CME's flagship contract for copper, on the other hand, saw a 33% drop in activity, as investors were scared by the unprecedented volatility of arbitrage prices with London.

The U.S. exchange benefited from the disruption in the aluminum market that followed the increase in U.S. tariffs on imports to 50%.

CME contracts for physical aluminum premiums in the Midwest U.S.A. and Europe recorded record volumes last Year with an annual growth of 47% & 72% respectively.

Return of the Funds

While institutional investors remain wary of the CME Copper Contract, they have been flooding the LME ever since September.

The red-hot precious-metals sector has sparked renewed interest in base metals. But money is also being drawn by the record-breaking run of copper and the strong rally in all LME metals except lead.

LME trading experienced a dramatic change during the fourth-quarter due to the renewed enthusiasm for metals.

The copper and tin volume were at their highest levels since 2013 and 2014. Nickel posted its second best quarterly volume ever, while lead activity reached new highs. LME nickel trading was at its highest level since 2019 last year, indicating a return to confidence in the London Market after the crisis of 2022. It seems that most funds have forgiven LME for cancelling nickel transactions, a controversial move which was upheld in the British High Court.

SHANGHAI GETS GRAPPED BY METAL FEVER

In December, the metals mania spread to China.

Shanghai's market had been a slow one up to that point, with volumes of base metal futures down across the board.

In the last month 2025, Chinese investors joined in on the bull market.

The Shanghai copper contract saw the most activity since November 2015, while the aluminium volumes were at their highest level in three years. Nickel turnover was also the highest it has been in four years.

The China Nonferrous Metals Industry Association, a state-backed organization, warned against blindly following a "unreasonable price rally" and a record 9 million tonnes of tin were traded in December.

No one has really paid attention. On Tuesday, the Shanghai tin exchange reached a turnover of?739,000 tonnes. This is equivalent to 2 years of global consumption.

Going Small in the US

Shanghai is renowned for its speculative excesses, which are driven by a large army of retail investors who try to catch the next big market movement.

London has no comparable market, as very few individuals have the wealth to meet the credit thresholds required for direct LME trading.

There are signs that some speculators have started to participate in the CME's trading, but not on the main copper contract, but on smaller retail-oriented products.

Volumes of the CME micro-copper contract, which is only 2,500 lb in size, grew 20% annually to reach almost four million tons by 2025.

CME copper "events options"?which offer a simple binary bet on the price underlying, registered turnover in December of 31,000 tons, which is more than the total traded for the entire year of 2024.

Both contracts were launched in 2022 and seem to serve as a bridge to allow retail investors to move from precious metals to industrial metals.

China's CNMIA is right to be concerned about excessive speculation in commodity markets that were once fringe, such as tin. However, the bull story around industrial metals has attracted more and more people to the cause.

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)