Gold, Silver and Copper Are Riding the Stock Market More Than You Think

Gold, silver and copper all set fresh highs in 2026, which should have made metals one of the year’s standout trades. They have not been. The Bloomberg metals index is up only about 2-3% this year, while the S&P 500 has climbed roughly 12%.

That gap matters because many investors hold metals as a counterweight to stocks. If the metals rally has quietly become a passenger on the equity rally, that counterweight may not hold when you need it.

The timing makes the question urgent. As of mid-October 2026, gold sits near $4,164 an ounce and silver near $56.87, both well off their early-year peaks, while the 5-year US Treasury yields about 5%.

Here is a way to test how much of your metals exposure is really a disguised bet on equities, and where each metal’s link to stocks is strongest.

Where have the 2026 metals highs gone?

The year started with a spectacular run. Gold pushed above $5,000 an ounce in January, with an all-time high near $5,405 according to Bloomberg Intelligence, and UBS citing a peak closer to $5,600. Silver more than kept pace, reaching $121.62 on 29 January 2026.

Copper arrived later. The London Metal Exchange (LME) three-month contract set an intraday record of $14,875 a tonne on 10 September 2026, according to Fastmarkets.

Then the air came out.

Silver has more than halved from its peak. Gold has surrendered most of a historic move. Bloomberg Intelligence senior commodity strategist Mike McGlone has an explanation for why the reversal has been so broad.

McGlone’s core claim (13 October 2026 interview) Metals were the only major commodity sector to reach new highs this year, but much of that gain has unwound, leaving them reliant on US equities continuing to climb.

What this tells you is uncomfortable. A metals allocation bought for diversification has so far returned a fraction of plain equity exposure, and that is the first hint both may be riding the same wave.

Why copper moves like a leveraged bet on the S&P 500

Start with one number. McGlone puts the 100-day correlation between CME copper futures and the S&P 500 at roughly 0.64. Correlation runs from -1 to +1 and measures how closely two assets move together; a reading of 0.64 means they tend to rise and fall in step more often than not.

That figure comes from McGlone’s own market commentary, not an independent econometric study, so treat it as a strategist’s signal rather than a settled fact.

The second number is beta, which measures how far an asset moves relative to the market. McGlone argues copper typically falls about twice as hard as the S&P 500 in a pullback, so a 10% equity decline would imply roughly 20% for copper. Copper carries about twice the volatility of the index, yet since early 2023 it has gained about 70% against roughly 100% for the S&P 500.

Five mechanics explain the behaviour:

1. Cyclical demand: construction, manufacturing and capital spending weaken when growth slows.
2. Inventory sensitivity: small demand shifts produce outsized swings in stockpiles, treatment charges and futures spreads.
3. Mining operating leverage: heavy fixed costs mean price moves hit miners’ cash flow disproportionately.
4. China and trade exposure: demand tied to Chinese construction leaves copper vulnerable to tariffs and recession fears.
5. Risk-on positioning: copper futures are a liquid growth bet, so deleveraging hits them first and hardest.

The structural bull case that does not cancel the beta

None of this denies copper’s long-term story. S&P Global estimates data-centre copper demand could rise from 1.1 million tonnes in 2025 to 2.5 million tonnes by 2040, with total demand about 50% higher by then. Treatment charges sit at record lows, and Fastmarkets linked September’s record partly to expected US tariffs that drained LME stocks and triggered steep backwardation (where near-term contracts price above later ones).

Copper is up about 16% this year against 11.9% for the S&P 500. Scarcity and equity beta coexist. For your portfolio, that means a copper position or copper miner should be sized as if it carries double your equity book’s drawdown, not as a separate diversifier.

Copper’s near-term risks, from tariff-driven stock swings to softer Chinese demand, sit alongside the electrification story rather than cancelling it.

How a 5% Treasury yield squeezes gold and silver

Copper’s weakness runs through the stock market. Gold and silver face a different pressure, and it starts with a simple comparison.

A 5-year Treasury note pays about 5% a year, guaranteed by the US government. Gold pays nothing. McGlone’s arithmetic is blunt: $100 placed in a 5-year note at current yields grows to roughly $130 after five years, while gold must rise in price to deliver anything at all.

That is the opportunity cost of holding a metal with no coupon.

Sources differ slightly on long-end yields because readings were taken on different dates. Treasury Inflation-Protected Securities (TIPS) are government bonds whose principal adjusts with inflation, so their yield shows the real return after inflation.

Nominal yields grab the headlines, but real interest rates are the variable that most directly sets gold’s opportunity cost, and with 10-year TIPS near 2.9% the hurdle for holding a zero-coupon metal is unusually high.

Three headwinds reinforce each other:

• Nominal yields: if the 5-year closes the year near current levels, it would be the highest year-end reading since 1999, according to McGlone.
• Real yields: around 2.7-2.9%, investors can lock in a meaningful return above inflation without owning metal.
• Fed path: the federal funds target sits at 3.75%-4.00%, and BBVA Research reports markets pricing three to four more hikes by September 2027.

UBS said in September that higher real yields and a stronger dollar were likely to weigh on gold in the near term. A Reuters survey in July cut the 2026 average silver forecast to $72 from $78.

McGlone himself favours Treasuries, viewing the iShares 20+ Year Treasury Bond ETF (TLT) as an equity hedge and suggesting a 90/10 bond-heavy mix suits this moment. That is his opinion, not advice. The question it leaves you with is sharper: what are you being paid to wait in gold or silver?

Are stretched stock valuations the weak link?

If metals now lean on equities, the next question is how sturdy that support is.

The S&P 500 closed at 7,659.44 on 16 October 2026, up 11.9% for the year and about 130% since its October 2022 low. The valuation markers, separated by source:

• Lake Ridge Bank: forward price-to-earnings (P/E) ratio of 19.0x, the share price divided by expected earnings per share.
• McGlone: the market is the most expensive relative to GDP in 100 years.
• McGlone: a 20% drop would equal about 50% of GDP, the most since 1928.
• McGlone: the US makes up nearly two-thirds of global market capitalisation.

Valuation check A forward P/E of 19.0x compares with a 30-year average of 17.2x, roughly 10% above the long-run norm (Lake Ridge Bank, 8 October 2026).

No independent market-cap-to-GDP figure was found to verify McGlone’s historical comparison, so weigh that claim as his reading.

The chain follows. McGlone argues a 20% equity fall would likely signal recession, and with metals correlated to stocks, they would fall alongside. He applies similar logic to energy: crude near $94 sits well above a US production cost of about $55, and he notes oil lows have historically arrived with equity declines.

If you hold metals expecting protection from a stock sell-off, this evidence suggests the protection may arrive late, or not at all.

What the counter-evidence says, and how to stress-test your metals exposure

The thesis is strong, but it is not airtight, and gold is where it loosens most.

Central banks keep buying. The World Gold Council (WGC) recorded net purchases of 244 tonnes in Q1 2026 and 288.9 tonnes in Q2, a Q2 record and up 62% year on year. A WGC survey found 45% of central banks plan to add gold over the next 12 months.

History also shows gold’s behaviour depends on the regime.

Even so, a Reuters survey found official buying likely to cushion a decline rather than prevent one. Bank forecasts diverge widely, from Goldman Sachs near $4,900 at year-end to JPMorgan at roughly $6,000 as a Q4 average. The thesis holds most firmly for copper and remains directionally valid for gold and silver.

A four-step stress test for metals exposure

1. Apply roughly double any assumed S&P 500 decline to your copper holdings.
2. Test gold and silver positions against both flat and rising real yields.
3. Check each miner’s operating leverage and energy cost exposure.
4. Ask whether your gold case quietly assumes central-bank buying continues.

The same shock lands differently on each metal: copper deserves an equity-style risk budget, gold a yield-and-central-bank test. This is an analytical framework, not personal financial advice.

Because operating leverage and energy costs differ widely between producers, mining stock selection matters as much as the metal view when you test how a pullback would land on individual holdings.

What the equity link changes, and what it leaves intact

The link between metals and stocks is strongest and most usable for copper, real but contested for gold and silver, and dependent on the regime throughout. Electrification demand and central-bank buying remain intact as long-run supports, yet neither removes the near-term exposure to an equity pullback or a higher yield path.

The variables worth watching are clear: the depth of any S&P 500 correction, the Federal Reserve’s hiking path, where the 5-year and real yields settle into year-end, and how the midterm elections and energy backdrop shift inflation expectations. Your decision is whether your metals holdings are sized for the role you think they play.

Investors deciding how to size these positions can use our dedicated guide to gold and silver portfolio allocation, which sets out how allocation ratios between the two metals are built.

Past performance does not guarantee future results. Financial projections are subject to market conditions and various risk factors. Forward-looking views cited here are speculative and subject to change.

This article is for informational purposes only and should not be considered financial advice. Investors should conduct their own research and consult with financial professionals before making investment decisions.