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Andy Home: Chinese exports ease the pain of London zinc shorts

London's zinc market is still a hazardous place for bears.

Metal that was expected to drop in price this year has risen. The London Metal Exchange's (LME) 3-month zinc reached a new four-year high of $3,858 a metric ton on Tuesday morning.

The relentless rally has been accompanied by an abrupt contraction of the LME time spreads. This is particularly worrying for holders of zinc short positions.

The premium for cash Metal?over a three-month delivery The price of a ton has dropped to $131, which is a significant drop from last October's record high of $323.

The tightening market this year is due to the low?LME inventories that were the cause of the last year's shortage.

Help is on the way for LME shorts. China has begun lifting exports and dispatching metal directly to LME Hong Kong warehouses.

A Tale of Two Markets

Zinc demand is not a booming industry. According to the International Lead and Zinc Study Group, global consumption grew modestly by 1.5% from January to may.

The Group assessed a global surplus of 145,000 tons of refined metals in the first five month of the year, based on a 3.5% increase in output.

However, the catch is that, just like last year, the majority of the growth in refined production came from China. Western smelters are facing extreme margin pressure as a result of the decline in treatment terms.

The majority of surplus metal is therefore also found in China.

Since the beginning of January, the stocks registered at the Shanghai Futures Exchange has more than doubled.

LME stock, including those in off-warranty storage, is still?6,500 tonnes lower at 124.677 tons, despite recent daily deliveries to LME warehouses.

HONG KONG FAST TRACK

Since the beginning of last week, there have been daily warranting actions as the LME premiums for cash deliveries are increasing.

The volumes have been modest, totalling?17,000 ton. However, they are enough to stabilize the on-warrant stock at around 95,000 tons.

The number of off-warrant stock has increased from a low in July,?15.480 tons, to 29,627 tonnes.

Hong Kong holds 5,000 tonnes of off-warrant stock and has delivered around two-thirds (?around) of the LME deliveries.

Hong Kong was approved by the LME for good delivery only in July last year. But it is already acting as an arbitrage conduit.

China has been historically a major importer of zinc refined. As recently as 2024, volumes reached as high as 445 000 tons.

The country's smelter capacity is now so large that it is close to self-sufficiency.

Imports dropped by one-third to 299,000 tonnes last year. China became a net exporter both in November and December. It delivered metal to LME storage facilities in Singapore and Taiwan in order to take advantage of the London market's cash crunch.

Shanghai Metal Market (SMM), a local data provider, reports that the country became a net exporter in July with shipments of 9,200 tonnes and imports continuing to fall.

This time, the pace of arrivals has clearly slowed down.

So far.

Turning Bullish

Bulls bet that even China's Smelters will need to reduce operating rates due to the bombed out treatment charges.

There are many zinc bulls in town. Over 110,000 tons have been accumulated by investment funds, the largest collective bet on higher prices since LME began publishing its position reports in 2018.

The LME option market also shows a renewed interest in zinc. On the LME options market, there are nearly 1,500 open lots for December calls with a strike of $4,000 per tonne and another 757 lots at $4,500 per tonne.

The bull story is that of limited mine supply. Global mine production increased by 4.8% in 2013 after three years of decline. ILZSG reports that the growth has slowed to only 1.1% between January and May this year.

According to SMM, the competition for mined concentrats is so fierce that spot-treatment charges for Chinese imports have now reached a new record low of minus $117.50 a ton.

China's smelters continue to?fight on. According to ILZSG, growth was "significant" for the first five months in 2026.

LME bulls, and more importantly, LME short position holders, will need to know just?how important'.

Andy Home is a columnist at. This column is great! Open Interest (ROI) is your new essential source of global financial commentary. Follow ROI on LinkedIn and X. Listen to the Morning Bid podcast daily on Apple, Spotify or the app. Subscribe to the Morning Bid podcast and hear journalists discussing the latest news in finance and markets seven days a weeks.

(source: Reuters)