← Steel Dynamics overview

Steel Dynamics vs Aluminum (CME): why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Steel Dynamics Inc (STLD)

Q3 2026
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Record steel shipments and AI demand drive STLD, but aluminum losses and peak fears cap gains

  • Record steel shipments and strong pricing Steel Dynamics shipped a record 3.7 million tons in Q2, with net income of $534 million and steel profit up 30% on strong pricing. This shows robust demand and pricing power.

    It highlights the core operational strength that drove financial performance.

  • AI data-center demand and bullish Q3 guidance AI data-center demand and a bullish Q3 earnings guide of $5.34–$5.38 per share, with backlog up about 50%, support the stock. This signals confidence in future growth.

    It points to a key demand driver and management's positive outlook.

  • Aluminum segment losses and impairment The aluminum segment lost $33 million and took a $16 million impairment charge, even as the Mississippi mill ramps toward commercial shipments. This drags on overall profitability.

    It represents a significant financial setback and risk to earnings.

  • Peak rally warning and tariff retaliation Morgan Stanley warns the steel rally is near its peak, and US-Canada tariff retaliation hurts exports. Q3 guidance missed the $5.60 consensus, sending shares down 2–3%.

    It captures external risks and market reaction that capped upside.

September 2026
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Steel Dynamics: Tariff Whiplash and a Strong Q3 Guide That Still Missed Estimates

  • US-Canada tariff fight swings both ways The US first floated halving Canadian steel tariffs to 25%, then talks collapsed and 50% tariffs returned, helping STLD by keeping Canadian steel out. But Canada hit back on Sept 8 with its own tariffs on US steel, hurting STLD's exports there. Net effect is choppy but leans positive for US pricing.

    This is the main force moving STLD this period, with both a positive and negative side.

  • Q3 guidance shows a big profit jump STLD guided Q3 earnings to $5.34-$5.38 per share, far above last quarter's $3.69 and last year's $2.74. Record shipments, higher prices, lower scrap costs, and a backlog nearly 50% bigger than a year ago all point to strong demand from construction, data centers, and manufacturing.

    This is the clearest new evidence of STLD's underlying business strength and future earnings power.

  • Guidance still missed Wall Street's target Even though the Q3 guide was a big step up, it came in below the $5.60 analysts expected, and the stock fell about 2-3% on the news. That gap shows expectations were already high and the market was disappointed, a real counterweight to the bullish numbers.

    It explains why a strong-sounding guide still pushed the stock down and balances the positive guidance point.

  • Aluminum expansion keeps advancing STLD said its new Columbus, Mississippi aluminum mill is ramping up: all three cold mills are running and the first heat-treat line should ship commercial material in Q4. Aluminum earnings are expected to improve meaningfully, adding a new growth leg beyond steel.

    It shows a new source of future earnings that supports the long-term investment case.

Latest
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Steel Dynamics: Tariff Whiplash and a Strong Q3 Guide That Still Missed Estimates

  • US-Canada tariff fight swings both ways The US first floated halving Canadian steel tariffs to 25%, then talks collapsed and 50% tariffs returned, helping STLD by keeping Canadian steel out. But Canada hit back on Sept 8 with its own tariffs on US steel, hurting STLD's exports there. Net effect is choppy but leans positive for US pricing.

    This is the main force moving STLD this period, with both a positive and negative side.

  • Q3 guidance shows a big profit jump STLD guided Q3 earnings to $5.34-$5.38 per share, far above last quarter's $3.69 and last year's $2.74. Record shipments, higher prices, lower scrap costs, and a backlog nearly 50% bigger than a year ago all point to strong demand from construction, data centers, and manufacturing.

    This is the clearest new evidence of STLD's underlying business strength and future earnings power.

  • Guidance still missed Wall Street's target Even though the Q3 guide was a big step up, it came in below the $5.60 analysts expected, and the stock fell about 2-3% on the news. That gap shows expectations were already high and the market was disappointed, a real counterweight to the bullish numbers.

    It explains why a strong-sounding guide still pushed the stock down and balances the positive guidance point.

  • Aluminum expansion keeps advancing STLD said its new Columbus, Mississippi aluminum mill is ramping up: all three cold mills are running and the first heat-treat line should ship commercial material in Q4. Aluminum earnings are expected to improve meaningfully, adding a new growth leg beyond steel.

    It shows a new source of future earnings that supports the long-term investment case.

July 2026
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Steel Dynamics beats on record shipments, but aluminum charges weigh

  • Record Q2 steel shipments and profit Steel Dynamics reported Q2 net income of $534 million on record steel shipments of 3.7 million tons, with steel operations profit up 30% from the prior quarter on higher prices and wider metal spreads. This confirms strong demand and pricing power, supporting the stock.

    This is the period's biggest positive fundamental event, directly showing earnings power.

  • AI data centers drive steel demand The VanEck Steel ETF hit a 52-week high as AI infrastructure buildout boosts demand for structural steel. Steel Dynamics is a top holding, and its electric arc furnaces can supply premium AI-grade steel, adding a new growth driver beyond traditional markets.

    It explains a fresh demand source that lifts the whole steel sector, including STLD.

  • Aluminum segment losses and $16M charge The aluminum ramp-up posted a $33 million operating loss, and an additional $16 million non-cash impairment charge was recorded. These drag on overall profit and show the new aluminum business is still losing money, a real counterweight to the steel strength.

    It is the main negative in the latest earnings and explains why the stock dipped despite a beat.

  • Analyst sees steel rally peaking Morgan Stanley kept Steel Dynamics at Equal-weight and raised its target to $270, but warned the supply-driven steel price rally is near its peak and profitability could decline after 2027 as new supply and imports ease the market. This caps upside enthusiasm.

    It gives a balanced view on future pricing, a key driver for STLD's earnings.

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Steel Dynamics beats on record shipments, but aluminum charges weigh

  • Record Q2 steel shipments and profit Steel Dynamics reported Q2 net income of $534 million on record steel shipments of 3.7 million tons, with steel operations profit up 30% from the prior quarter on higher prices and wider metal spreads. This confirms strong demand and pricing power, supporting the stock.

    This is the period's biggest positive fundamental event, directly showing earnings power.

  • AI data centers drive steel demand The VanEck Steel ETF hit a 52-week high as AI infrastructure buildout boosts demand for structural steel. Steel Dynamics is a top holding, and its electric arc furnaces can supply premium AI-grade steel, adding a new growth driver beyond traditional markets.

    It explains a fresh demand source that lifts the whole steel sector, including STLD.

  • Aluminum segment losses and $16M charge The aluminum ramp-up posted a $33 million operating loss, and an additional $16 million non-cash impairment charge was recorded. These drag on overall profit and show the new aluminum business is still losing money, a real counterweight to the steel strength.

    It is the main negative in the latest earnings and explains why the stock dipped despite a beat.

  • Analyst sees steel rally peaking Morgan Stanley kept Steel Dynamics at Equal-weight and raised its target to $270, but warned the supply-driven steel price rally is near its peak and profitability could decline after 2027 as new supply and imports ease the market. This caps upside enthusiasm.

    It gives a balanced view on future pricing, a key driver for STLD's earnings.

Aluminum (CME) (ALUMINUM.COMM)

Q3 2026
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Aluminum Q3: tight supply vs. new capacity, tariffs add uncertainty

  • Strong electrification demand and record-low inventories Grid and electrification demand stayed strong, with Nexans and Hydro signing a low-carbon deal. LME inventories hit a century low of 271,275 tonnes, and institutions forecast widening deficits, supporting higher prices.

    This point explains the main bullish force: robust demand and critically low inventories.

  • Alunorte alumina output cut tightens supply Alunorte's alumina output was cut to 50%, further tightening the supply of raw material for aluminum. This reduction adds to the tight supply picture and supports higher aluminum prices.

    This point highlights a specific supply disruption that contributed to price support.

  • New supply and forecast cuts weigh on prices Morgan Stanley and Goldman Sachs cut 2027–28 price forecasts on new supply from Indonesia, Saudi Arabia, India, and Angola. Century's Mt. Holly expansion added ~10% US output, easing supply concerns.

    This point captures the main bearish force: expectations of rising future supply and analyst downgrades.

  • Tariff changes and trade tensions raise costs The US halved tariffs for smelter investors, but US-Canada trade tensions escalated with 50% tariffs and retaliation, raising costs and uncertainty. Mexico's tariff negotiations remained unresolved.

    This point explains how trade policy added cost pressure and uncertainty, a key negative factor.

September 2026
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Tariff war and supply cuts drive aluminum prices

  • Alumina supply cut Alunorte, a major alumina refinery, cut output to 50% due to a natural gas shortage. Alumina is a key input for aluminum, so reduced supply could tighten the market and support higher aluminum prices.

    This is a new supply disruption that directly affects aluminum production costs and availability.

  • Australian government supports smelter Australia committed A$2.5 billion to keep Rio Tinto's Tomago smelter running beyond 2028. This ensures continued aluminum production, preventing a potential supply loss that could have pushed prices higher.

    This is a new government intervention that stabilizes supply, which is important for the aluminum market outlook.

  • US-Canada trade tensions escalate The US expanded 50% tariffs on Canadian aluminum and banned some imports, while Canada retaliated. This trade war raises costs and disrupts supply, but also creates uncertainty that can push prices up due to tightness.

    This is a major new escalation in trade policy that directly impacts aluminum flows and pricing.

  • Mexico seeks tariff relief Mexico is negotiating with the US to reduce or eliminate the 50% tariffs on steel and aluminum. If successful, it could ease trade tensions and support aluminum demand, but the outcome is still uncertain.

    This is a new development in tariff negotiations that could affect aluminum trade flows and prices.

Latest
▲3

Tariff war and supply cuts drive aluminum prices

  • Alumina supply cut Alunorte, a major alumina refinery, cut output to 50% due to a natural gas shortage. Alumina is a key input for aluminum, so reduced supply could tighten the market and support higher aluminum prices.

    This is a new supply disruption that directly affects aluminum production costs and availability.

  • Australian government supports smelter Australia committed A$2.5 billion to keep Rio Tinto's Tomago smelter running beyond 2028. This ensures continued aluminum production, preventing a potential supply loss that could have pushed prices higher.

    This is a new government intervention that stabilizes supply, which is important for the aluminum market outlook.

  • US-Canada trade tensions escalate The US expanded 50% tariffs on Canadian aluminum and banned some imports, while Canada retaliated. This trade war raises costs and disrupts supply, but also creates uncertainty that can push prices up due to tightness.

    This is a major new escalation in trade policy that directly impacts aluminum flows and pricing.

  • Mexico seeks tariff relief Mexico is negotiating with the US to reduce or eliminate the 50% tariffs on steel and aluminum. If successful, it could ease trade tensions and support aluminum demand, but the outcome is still uncertain.

    This is a new development in tariff negotiations that could affect aluminum trade flows and prices.

July 2026
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Aluminum: tight supply and strong demand, but new supply and tariff cuts weigh

  • Demand from grid and electrification stays strong Long-term demand from power grid and electrification projects remains solid, highlighted by Nexans and Hydro's five-year low-carbon aluminum deal. Chinese producers reported massive profit jumps, confirming robust current demand. This supports higher aluminum prices.

    Shows a key positive demand force behind aluminum prices in the period.

  • LME inventories hit century low, deficit forecast LME aluminum inventories fell to a century low of 271,275 tonnes—less than one day of global consumption. Institutions forecast a widening supply deficit. Very low stockpiles and expected shortages tend to push prices higher.

    Captures a major supply tightness signal that supported prices.

  • New global supply and forecast cuts pressure prices Morgan Stanley and Goldman Sachs cut 2027-28 aluminum price forecasts, citing new supply from Indonesia, Saudi Arabia, India, Angola, and recovering Middle East output. This expected extra supply weighs on future prices.

    Highlights a key bearish force from new supply and analyst downgrades.

  • US tariff cut and Century expansion boost supply The US halved aluminum import tariffs for companies investing in new smelters, and Century Aluminum's Mt. Holly expansion will boost US output by roughly 10%. Alcoa also lowered alumina output guidance due to operational issues. These add supply and pressure prices.

    Shows policy and expansion-driven supply increases that weighed on prices.

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Aluminum: record-low inventories and supply deficit drive prices higher

  • LME inventories hit century low London Metal Exchange aluminum stocks fell to 271,275 tonnes, the lowest this century and less than one day of global consumption. This extreme tightness makes the market vulnerable to any supply disruption and supports higher prices.

    This is a new, concrete supply-side factor that directly explains upward price pressure.

  • Institutions forecast widening supply deficit CMB International expects the global aluminum supply deficit to widen to 2% of demand in 2026, with prices up 15% year-on-year, due to Middle Eastern smelter disruptions. Soochow Securities sees a long-term bull case from capped Chinese capacity and steady demand growth.

    New analyst forecasts reinforce the supply-deficit narrative that is the main bullish driver.

  • Strong Chinese producer earnings confirm robust demand Yunnan Aluminum, Zhongfu Industrial, and Tianshan Aluminum all forecast large first-half profit jumps, with Yunnan's second-quarter profit hitting a record. This confirms strong demand and tight market conditions, supporting higher aluminum prices.

    New earnings reports from major producers show the market is tight and demand is solid.

  • US smelter expansion adds future supply Century Aluminum's Mt. Holly expansion will raise total US primary aluminum output by about 10%, with a $50 million investment. While gradual, this new supply could eventually weigh on prices, though it is small against global demand.

    This is a new supply-side development that acts as a counterweight to the bullish factors.

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US tariff cut and smelter expansions add supply; demand still strong

  • US tariff cut for new smelters adds future supply Trump halved the aluminum import tariff from 50% to 25% for companies that invest in new US smelters. This lowers costs and encourages more domestic production, which eventually adds supply and weighs on aluminum prices.

    This is a major new policy that directly affects aluminum supply and prices.

  • Century Aluminum expands Mt. Holly smelter Century Aluminum is expanding its Mt. Holly smelter, increasing US aluminum production capacity. More supply tends to push prices down, though the impact is gradual as new output comes online.

    This is a concrete new supply increase that affects the market balance.

  • Strong Chinese earnings confirm robust aluminum demand Chinese nonferrous metals companies reported a 161% jump in first-half profit, driven by rising aluminum prices. This shows demand is strong and supports higher aluminum prices.

    It provides fresh evidence of strong demand from the world's largest aluminum consumer.

  • Hydro's profit surge reflects higher aluminum prices Norsk Hydro's Q2 profit more than doubled, helped by higher aluminum prices and better recycling margins. This confirms that current market conditions are favorable for producers, supporting prices.

    It shows that aluminum prices are high enough to boost producer profits, reinforcing positive sentiment.

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Aluminum demand solid but new supply and bearish forecasts weigh on prices

  • Long-term demand from grid and electrification Nexans and Hydro signed a five-year deal for 85,000 tonnes of low-carbon aluminium wire rod, supporting Europe's grid buildout. This steady demand for power cables and transmission lines underpins aluminum prices over the long term.

    Shows a concrete new demand source that supports aluminum prices.

  • New global supply and bearish bank forecasts Morgan Stanley and Goldman Sachs cut aluminum price forecasts for 2027-28, citing new supply from Indonesia, Saudi Arabia, India, Angola, and recovering Middle East output. This expected surplus is the main force pushing prices down.

    Directly explains the biggest downward pressure on aluminum prices this period.

  • Strong Chinese producer profits signal tight market Hongqiao, Diantou Energy, and Yee Chiu Resources all forecast big profit jumps for the first half of 2026, driven by high aluminum prices and a temporary supply gap from Middle East conflicts. This confirms strong current market conditions.

    Shows that current aluminum prices are high enough to boost producer earnings, supporting the market.

  • Alcoa's record results and output cut Alcoa reported record quarterly revenue of $4 billion on higher aluminum prices, but lowered its 2026 alumina output guidance due to operational issues. The output cut reduces supply, which is positive, but the overall market still faces new global supply.

    Highlights a major producer's performance and a supply reduction that could support prices.

Q2 2026
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Aluminum's big picture: electrification demand up, supply recovering

  • Electrification and AI power demand boost aluminum Global electricity demand is growing faster than GDP for the first time, driven by AI data centers and EVs. This electrification is lifting demand for metals like aluminum, with prices already up 12% over the past year. More power infrastructure means more aluminum for cables and equipment, supporting higher prices.

    This is the main demand-side force pushing aluminum prices up, directly answering what's driving the commodity.

  • Novelis restarts production, easing auto supply crunch Novelis restarted its Oswego aluminum plant after fires disrupted supply to Ford and other automakers. This adds supply back to the market, which tends to push aluminum prices down. Ford expects to recover some lost earnings as production normalizes.

    This is a new supply increase that weighs on aluminum prices, providing a counterweight to demand-driven gains.

  • US domestic aluminum supply chain gets a boost Brimstone and Century Aluminum signed an MOU to create the first fully US mine-to-metal aluminum supply chain, reducing reliance on imports. Century also plans to double US primary aluminum capacity and restarted idle capacity. This supports long-term domestic supply but may not immediately lower prices.

    This is a new strategic development that could reshape supply dynamics and support prices by reducing import dependence.

  • Alcoa secures power for Lista smelter, ensuring production Alcoa signed power agreements with Statkraft to secure electricity for its Lista aluminum plant through 2031. This ensures continued production at the smelter, which recently restarted a potline adding 31,000 tonnes of capacity. Stable energy supply supports aluminum output, but the impact on prices is gradual.

    This is a new supply-side development that ensures production continuity, indirectly supporting prices by preventing disruptions.

June 2026
▲3▼1

Aluminum's big picture: electrification demand up, supply recovering

  • Electrification and AI power demand boost aluminum Global electricity demand is growing faster than GDP for the first time, driven by AI data centers and EVs. This electrification is lifting demand for metals like aluminum, with prices already up 12% over the past year. More power infrastructure means more aluminum for cables and equipment, supporting higher prices.

    This is the main demand-side force pushing aluminum prices up, directly answering what's driving the commodity.

  • Novelis restarts production, easing auto supply crunch Novelis restarted its Oswego aluminum plant after fires disrupted supply to Ford and other automakers. This adds supply back to the market, which tends to push aluminum prices down. Ford expects to recover some lost earnings as production normalizes.

    This is a new supply increase that weighs on aluminum prices, providing a counterweight to demand-driven gains.

  • US domestic aluminum supply chain gets a boost Brimstone and Century Aluminum signed an MOU to create the first fully US mine-to-metal aluminum supply chain, reducing reliance on imports. Century also plans to double US primary aluminum capacity and restarted idle capacity. This supports long-term domestic supply but may not immediately lower prices.

    This is a new strategic development that could reshape supply dynamics and support prices by reducing import dependence.

  • Alcoa secures power for Lista smelter, ensuring production Alcoa signed power agreements with Statkraft to secure electricity for its Lista aluminum plant through 2031. This ensures continued production at the smelter, which recently restarted a potline adding 31,000 tonnes of capacity. Stable energy supply supports aluminum output, but the impact on prices is gradual.

    This is a new supply-side development that ensures production continuity, indirectly supporting prices by preventing disruptions.

▲3▼1

Aluminum's big picture: electrification demand up, supply recovering

  • Electrification and AI power demand boost aluminum Global electricity demand is growing faster than GDP for the first time, driven by AI data centers and EVs. This electrification is lifting demand for metals like aluminum, with prices already up 12% over the past year. More power infrastructure means more aluminum for cables and equipment, supporting higher prices.

    This is the main demand-side force pushing aluminum prices up, directly answering what's driving the commodity.

  • Novelis restarts production, easing auto supply crunch Novelis restarted its Oswego aluminum plant after fires disrupted supply to Ford and other automakers. This adds supply back to the market, which tends to push aluminum prices down. Ford expects to recover some lost earnings as production normalizes.

    This is a new supply increase that weighs on aluminum prices, providing a counterweight to demand-driven gains.

  • US domestic aluminum supply chain gets a boost Brimstone and Century Aluminum signed an MOU to create the first fully US mine-to-metal aluminum supply chain, reducing reliance on imports. Century also plans to double US primary aluminum capacity and restarted idle capacity. This supports long-term domestic supply but may not immediately lower prices.

    This is a new strategic development that could reshape supply dynamics and support prices by reducing import dependence.

  • Alcoa secures power for Lista smelter, ensuring production Alcoa signed power agreements with Statkraft to secure electricity for its Lista aluminum plant through 2031. This ensures continued production at the smelter, which recently restarted a potline adding 31,000 tonnes of capacity. Stable energy supply supports aluminum output, but the impact on prices is gradual.

    This is a new supply-side development that ensures production continuity, indirectly supporting prices by preventing disruptions.

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