One of the stock market's most dependable trades has taken shape as views on artificial intelligence swing violently: no matter what AI shares do, Apple tends to move the other way.
The iPhone maker's stock has climbed 27% in 2026, making it the largest single contributor to the S&P 500 Index's 12% advance. It is also by far the strongest performer among the Magnificent Seven technology giants this year, a sharp turnaround from 2025, when its 8% gain left it near the bottom of the group.
The explanation for the split is fairly straightforward. While most mega-cap tech companies are pouring money into AI infrastructure, Apple is largely staying on the sidelines and instead concentrating on what it has historically done best, building products that excite consumers, such as its new foldable iPhone Duo. With Wall Street's assessment of AI capital expenditures seemingly in constant flux, the company's shares have become investors' favored way to keep Big Tech exposure while sidestepping some of the group's volatility.
"Apple is a very liquid hedge against AI volatility, and it's a great position to have if you're starting to get worried about AI but still want tech exposure," said Jordan McCall, senior portfolio manager at Russell Investments, which oversees $434 billion in assets and holds the company's shares in multiple portfolios. "Apple is a flight to safety when the market gets nervous."
The divergence was clear on Thursday, when Apple rose as much as 1% and was the only Magnificent Seven stock in positive territory, while the broader market fell with chip stocks leading the decline, after results from Lam Research and Meta Platforms aised questions about AI spending.
Investors are hunting for safety because sentiment around AI is shifting so rapidly. Shares of the big spenders such as Microsoft, Amazon.com, Alphabet and Meta Platforms, along with the chipmakers at the heart of AI infrastructure, rise and fall as Wall Street debates when and whether the hundreds of billions in capital expenditures will pay off in a major way. Apple has an increasingly negative correlation to semiconductor stocks and often moves in the opposite direction of its mega-cap peers.
The dynamic was evident last week, when concerns about cloud computing provider CoreWeave's debt spurred widespread selling of AI stocks. The SOX tumbled more than 11%, marking its worst week since April 2025, while an index of Magnificent Seven stocks sank 3.1%. Apple, meanwhile, rose 2% as the company said demand for the Duo was "nothing short of extraordinary."
"If hyperscalers get more bad news, it would make sense to sell the SOX and use the money as a source of funds to buy Apple," said Michael Matousek, head trader at U.S. Global Investors Inc. "Apple is more of a defensive play because it lacks exposure to the themes moving chips, and given how pronounced this kind of pair trade has become, it is so much easier to just go with the momentum. I wouldn't fight it."
Apple's 40-day correlation to the chip index has been negative since early July and is at its most extreme in data going back to 1994. On a 10-day basis, Apple has a negative 90% correlation with the chip index, according to Jonathan Krinsky, chief market technician at BTIG.
Apple's strong free cash flow and durable earnings growth are helping it stand out, McCall said. Microsoft, Amazon, Alphabet and Meta have seen their free cash flow plunge or even turn negative as they invest in AI infrastructure. And while chipmakers are seeing huge growth for the time being, the fear is their earnings will nosedive if that spending slows.
The primary concerns for Apple shareholders are that it's growing more slowly than its Big Tech peers but carries a soaring stock market valuation. The company is scheduled to report earnings for its fiscal fourth quarter in a few weeks, and revenue is expected to rise about 15% for the year, well below the overall tech sector, according to Bloomberg Intelligence data. What's more, the pace is expected to slow to 9.7% in fiscal 2027 and to 5.5% in fiscal 2028.
Meanwhile, the shares trade at 36 times earnings estimated over the past 12 months, their highest multiple since January 2008. That's twice Nvidia's valuation and well above where the tech-heavy Nasdaq 100 Index and S&P 500 trade.
This combination could make it difficult for Apple to continue outperforming, especially if investors' perceptions of big AI spenders and chipmakers improves again.
"With SOX having just seen a -16% pullback, and AAPL at all-time highs, we think a bounce in SOX is likely to coincide with AAPL pulling back, at a minimum, toward its 50 DMA," BTIG's Krinsky wrote on Oct. 19, referring to Apple's 50-day moving average, which is 4.7% below the stock's most recent closing price.
There's certainly a precedent for this kind of reversal. As recently as August, strengthening sentiment toward AI plays lifted shares of Microsoft, Amazon and Alphabet, while Apple struggled.
"I would be shocked if we didn't see another period of AI enthusiasm that leads to chipmakers coming back, and it is very reasonable and plausible to think the pattern would repeat itself again," McCall said. "Risk on for AI would mean risk off for Apple."
Tesla pulled back its spending plans after investment last quarter trailed expectations, clouding Elon Musk's effort to transform the electric vehicle maker into an AI and robotics company.
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