Copper Deficit to Reach 44% of Demand by 2050, BloombergNEF Warns

BNEF Outlook Flags 44% Shortfall

BloombergNEF published its annual Transition Metals Outlook on Tuesday, October 20, and copper emerges as the exception in an otherwise well-supplied picture. Nine of the ten transition materials the report covers should have enough supply through 2050. Copper does not: the research house projects a shortfall of 20 million tonnes by mid-century, equal to roughly 44% of demand, with the deficit opening as early as 2028. The arithmetic was recapped the same day in a summary by analyst Jack Prandelli that underlined how unusual the finding is. Underlying demand is the driver. BNEF expects consumption to climb 61% to nearly 46 million tonnes a year, with electrified transport alone accounting for 11.4 million tonnes of that total. Closing the gap would require $332 billion of investment in new mines, and each new mine needs roughly 17 years before first production. That lead time is why the report reads, for its author, less as a geology problem than as a scheduling one. Martin Tengler, BNEF's head of metals and mining, framed it exactly that way: the question is less whether the world can produce enough metals overall than whether the right material arrives when and where it is needed. The metal itself exists in volume. The US Geological Survey puts global reserves near 980 million tonnes, which makes the constraint developmental rather than geological. The same outlook that flags the long-run deficit also keeps a sideways 12-month price view for copper. If the projection holds, annual shortfalls would widen from 2028 toward the 2050 horizon, which would force investment decisions long before the first tonne of new supply arrives.

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A summary by analyst Jack Prandelli.

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Trendline Break After Five Tests

The market is trading today's surplus, not the projected 2028 gap. Copper fell 2.68% on Thursday, October 22, and the drop carried the price through an upward trendline drawn from April that had survived five separate tests. Volume rose on the break, the daily chart formed the base of a rising wedge, a pattern that often resolves lower, and the Relative Strength Index, a momentum gauge, lost a support line dating back to March after rejection near $6.70. The chart's support and resistance map now reads as follows. Resistance sits at $6.56, then at the broken trendline near $6.64. On the downside, the 0.382 Fibonacci level at $6.31 is the first target, with deeper floors at $6.11 and $5.91; a daily close back above the trendline would weaken the bearish setup. After the drop, the price sat near $6.51 per pound, about 6% below the record high set in September. Physical flows back the near-term surplus reading. LME warehouse stockpiles climbed to 272,950 tonnes, the highest since July 24, and most of the newly arrived metal landed in US warehouses. Comex, the main United States futures exchange, slipped to a discount against the LME, erasing the premium that US tariff policy had built into American prices. Alastair Munro, senior metals strategist at broker Marex, connected the two: the recent build in LME stocks reflected the shrinking Comex premium as contract delivery dates drew closer. A selloff in technology stocks, driven by doubts about artificial-intelligence spending, added pressure and dragged LME copper to a five-week low.

The tension between the long-run warning and the short-run tape shows up directly in the figures. COINOTAG data shows copper at $6.52, up 1.51% over the past 24 hours, inside a $6.38 to $6.53 range, and the strongest support on our composite, $6.37, scored 98 out of 100, sits just below the week's lows. The nearest resistance, $6.57, scored 94/100. Momentum stays cautious: the daily RSI reads 39.2, the MACD signal is bearish and the daily trend is down. Derivatives positioning is thin, with copper perpetual open interest near $8.7 million. For the breakdown thesis to lose force, copper needs a close above $6.57; losing $6.37 instead would point toward the Fibonacci levels below. The metal last trades at $6.52, and the daily trend remains bearish.