Lithium carbonate prices in China fell below CNY 135,000 per tonne in September, reaching their lowest level of the year as a major upward revision to Chinese stockpiles caused markets to reassess the global supply outlook.

The revision came after industry group SMM changed its methodology for compiling inventory data, resulting in a 175,000-ton increase in reported Chinese stockpiles.

The adjustment was approximately double previous estimates and significantly changed perceptions of available supply.

Additional pressure came from a stronger outlook for Australian lithium production. Mineral Resources restarted the Bald Hill lithium mine following an 18-month suspension, while Core Lithium restarted its Finniss project.

However, the decline in lithium prices has been limited by renewed disruption at CATL’s Jianxiawo mine, China’s largest lithium mine by capacity and a significant source of global supply.

Chinese authorities revoked environmental approvals for the mine, extending uncertainty around its ability to resume or expand operations.

The developments come as Beijing continues its campaign against excessive industrial capacity and what it describes as disorderly competition.

The lithium market is therefore being pulled between rising supply expectations and renewed disruption at a major Chinese mine.

Lithium Market Snapshot

Why Is Lithium Falling Today?

The primary catalyst behind the latest lithium decline is the sharp upward revision to Chinese inventories.

SMM changed its methodology for compiling stockpile data, resulting in an additional 175,000 tonnes being incorporated into reported Chinese inventories.

The increase was approximately twice previous estimates.

For lithium traders, the revision materially changes the perceived balance between supply and demand.

Higher inventories indicate that more lithium carbonate is available within the Chinese market than previously believed.

That reduces concerns about immediate supply shortages and creates additional pressure on prices.

The market is now reassessing whether the recent lithium recovery can be sustained in an environment of greater-than-expected stockpiles.

Chinese Lithium Stockpiles Rise Sharply

The inventory revision has become one of the most important bearish developments for the lithium market.

SMM’s methodological change resulted in a 175,000-ton increase in Chinese stockpiles.

Inventory data is particularly important for lithium because the market has previously experienced significant swings between perceived shortages and oversupply.

Higher stockpiles mean manufacturers and downstream consumers have greater available supply.

That can reduce their urgency to secure additional material and potentially weaken spot-market pricing.

The revised inventory figures therefore provide a much more comfortable supply backdrop.

Australian Lithium Supply Is Returning

The supply outlook is also becoming more bearish because Australian producers are restarting previously suspended operations.

Mineral Resources restarted the Bald Hill lithium mine after an 18-month suspension.

Core Lithium has also restarted its Finniss project.

The return of these operations increases the potential availability of lithium raw materials.

If production ramps up as expected, additional Australian supply could eventually reach global markets and further reduce the risk of a shortage.

For lithium prices, this represents a significant shift from the supply disruptions that supported prices during previous periods of market tightening.

CATL Mine Disruption Limits the Downside

Despite the increasingly comfortable supply outlook, the lithium market has not collapsed because of renewed disruption at CATL’s Jianxiawo mine.

The mine is China’s largest by capacity and accounts for approximately 4% of global lithium supply.

Chinese authorities revoked the environmental approvals required for the mine to continue operating or expand under its previous arrangements.

That creates uncertainty over the timing of any potential restart.

For a market already highly sensitive to supply disruptions, the loss of approximately 4% of global supply represents a meaningful bullish factor.

The disruption is therefore offsetting some of the bearish impact created by higher Chinese inventories and Australian production restarts.

China’s Anti-Involution Campaign Adds a New Variable

The Jianxiawo situation is also occurring against the backdrop of China’s broader campaign against industrial overcapacity.

Beijing has been attempting to address what it views as excessive competition and inefficient production across several industrial sectors.

For lithium, this could have important implications.

If authorities restrict inefficient or environmentally non-compliant production, supply growth could become more constrained even when inventories remain high.

That could eventually create a tighter market.

However, the immediate impact is difficult to determine because the inventory revision has already significantly increased the estimated amount of lithium available in China.

Lithium Market Is Moving From Shortage Concerns Toward Supply Comfort

The latest price decline highlights how quickly lithium market expectations can change.

Previously, investors focused heavily on mine disruptions, constrained production and the potential for stronger electric-vehicle demand.

The latest inventory revision has shifted attention toward the opposite side of the market.

Chinese stockpiles are now estimated to be substantially higher than previously reported.

At the same time, Australian production is returning.

This combination creates a more comfortable near-term supply environment.

However, the CATL mine disruption means the market cannot yet assume that supply will continue expanding without interruption.

Lithium Demand Remains Critical

While supply developments are currently dominating price action, demand remains an important longer-term driver.

Lithium is a critical raw material for rechargeable batteries and therefore remains closely linked to electric-vehicle production, battery manufacturing and energy-storage investment.

If battery demand accelerates, higher lithium consumption could eventually absorb some of the additional supply.

Conversely, weaker EV growth or slower battery-sector expansion could leave the market with a prolonged surplus.

This makes Chinese inventory levels particularly important.

If stockpiles continue increasing despite stable battery demand, the market could remain under pressure.

Australian Production Could Increase Global Supply

The restart of Bald Hill and Finniss represents a potential increase in global supply capacity.

Both projects had previously been affected by the challenging lithium-price environment.

Their restart suggests producers see sufficient conditions to resume operations.

However, the impact on actual global supply will depend on how quickly production ramps up.

A mine restart does not necessarily translate into immediate full-capacity output.

Traders will therefore monitor production guidance, shipment volumes and operating rates over the coming months.

Bullish Sentiment

1. CATL’s Jianxiawo Mine Remains Disrupted

The mine represents approximately 4% of global lithium supply, making the disruption significant for the global market.

2. Chinese Environmental Approvals Have Been Revoked

Regulatory action creates uncertainty over when the mine can fully resume operations.

3. China’s Anti-Involution Campaign Could Restrict Excess Capacity

Efforts to reduce inefficient production could eventually limit supply growth.

4. Mine Restarts May Take Time to Reach Full Production

Although Bald Hill and Finniss have restarted, production may not immediately return to maximum capacity.

5. Lithium Remains Strategically Important to Battery Supply Chains

Demand from EVs, batteries and energy storage remains an important long-term source of lithium consumption.

Bearish Sentiment

1. Chinese Lithium Prices Have Fallen Below CNY 135,000 Per Tonne

Prices have reached their lowest level of the year and an 8-month low.

2. Chinese Stockpiles Were Revised Higher by 175,000 Tonnes

The substantial inventory adjustment significantly improves the perceived supply position.

3. SMM’s Revised Methodology Indicates More Available Supply

The inventory methodology change suggests previous estimates may have understated available Chinese stocks.

4. Bald Hill Has Restarted

Mineral Resources restarted the mine following an 18-month suspension, adding potential supply.

5. Finniss Has Also Restarted

Core Lithium’s return to production adds another source of supply to the market.

6. The Overall Chinese Supply Picture Is More Comfortable

Higher inventories and returning production reduce immediate concerns about shortages.

7. EV and Battery Demand Must Absorb Additional Supply

If demand growth fails to keep pace with production, the market could remain oversupplied.

The Lithium Market Is Being Pulled in Two Directions

The lithium market currently has two very different fundamental narratives.

The bearish argument is centred on the 175,000-ton increase in reported Chinese stockpiles, the restart of Australian mines and a more comfortable overall supply outlook.

The bullish argument is concentrated around the disruption at CATL’s Jianxiawo mine, which represents approximately 4% of global supply, combined with China’s efforts to restrict excessive production capacity.

This creates an unusual situation in which a major supply disruption is occurring at the same time as inventories are being revised significantly higher.

The result is increased uncertainty over the true underlying balance of the lithium market.

China’s Inventory Data Is Now a Key Market Variable

The change in SMM’s inventory methodology means traders will be watching Chinese stockpile data particularly closely.

The 175,000-ton upward adjustment is large enough to alter the market’s perception of supply availability.

Future inventory reports will help determine whether the revision represents a one-off statistical adjustment or whether Chinese lithium stocks are genuinely much higher than previously believed.

If inventories continue to rise, the bearish interpretation could strengthen.

If stocks begin declining as mine disruptions affect supply, the market could begin to focus more heavily on the potential tightening effect.

CATL Supply Disruption Could Become More Important

The Jianxiawo mine remains the most significant bullish counterweight to the higher inventory figures.

With approximately 4% of global supply potentially affected, a prolonged disruption could eventually tighten the physical market.

The duration of the regulatory restrictions will therefore be critical.

If the mine remains offline for an extended period, other producers may need to compensate for the lost supply.

If approvals are eventually restored, some of the bullish pressure could disappear.

What Traders Are Watching Next

Chinese Lithium Inventories

Future SMM inventory reports will be closely monitored following the 175,000-ton upward revision.

Jianxiawo Mine

The timing of any regulatory resolution at CATL’s mine will remain a major price driver.

Australian Production

Traders will monitor whether Bald Hill and Finniss successfully ramp up toward commercial production levels.

Chinese Government Policy

Beijing’s anti-involution campaign could affect lithium production capacity and the behaviour of domestic producers.

EV Battery Demand

Electric-vehicle and battery production trends will determine how much additional lithium the market can absorb.

Lithium Carbonate Prices

The move below CNY 135,000 per tonne will remain an important reference point following the latest sell-off.

Global Supply Balance

The key question will be whether returning Australian supply and elevated Chinese inventories outweigh the impact of the CATL disruption.

Commodity Markets and Currency Exposure

Lithium is priced and traded through a global supply chain, meaning commodity-price movements can create secondary currency exposure for producers, manufacturers, exporters and international suppliers.

For lithium companies operating across Australia, China and other major battery-supply markets, movements in the US dollar, Chinese yuan and Australian dollar can affect the effective value of international revenues, procurement costs and cross-border payments.

A decline in the underlying commodity price can therefore coincide with significant FX movements, changing the economics of international transactions.

Currency Hedger View

Currency Hedger is the FX specialist division of Octalas Group, providing managed foreign-exchange services and market intelligence for businesses and personal clients exposed to international currencies.

For commodity businesses, FX risk can be particularly important because revenues, operating costs and financing can be denominated in different currencies.

A lithium producer receiving US dollars while paying operating expenses in Australian dollars, for example, has a different currency exposure from a Chinese battery manufacturer purchasing imported materials in US dollars.

Currency Hedger combines managed FX services with market intelligence, helping clients understand how interest rates, central-bank policy, commodities, geopolitical developments and global currency movements can affect international transactions.

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Today Markets View

Lithium prices have fallen below CNY 135,000 per tonne, with the market responding strongly to the substantial upward revision in Chinese inventories.

The 175,000-ton increase in reported stockpiles has changed the immediate supply narrative, while the restart of Bald Hill and Finniss adds further potential production.

However, the market is not facing a straightforward supply surplus.

CATL’s Jianxiawo mine, which represents approximately 4% of global lithium supply, remains disrupted following the revocation of its environmental approvals.

China’s broader anti-involution campaign could also eventually constrain excessive production and reduce the amount of inefficient capacity operating in the market.

The key issue for lithium prices is therefore whether higher Chinese inventories and returning Australian supply outweigh the loss of production from Jianxiawo.

For commodity companies and international battery supply chains, the lithium price is only one component of the financial equation. Movements in the US dollar, Australian dollar and Chinese yuan can materially change the effective value of revenues, procurement costs and international payments.

Currency Hedger provides the specialist FX perspective, combining managed currency solutions with market intelligence for businesses and personal clients exposed to international currencies.

“Lithium is facing a significant shift in market expectations after Chinese inventories were revised sharply higher. The restart of Australian production adds further supply, but the disruption at CATL’s Jianxiawo mine introduces an important counterweight. The direction of lithium prices will depend on whether the newly identified inventory cushion proves sufficient to offset the loss of major Chinese production capacity.”

Louis Roche, Analyst, Today Markets

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