AA vs CLF: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of October 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: AA is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. AA and CLF share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined AA and CLF exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Alcoa Corporation is one of the world's largest upstream aluminum companies, running the full chain from bauxite mining to alumina refining to aluminum smelting. It reports in two segments: Alumina (about 2.5 million metric tons produced in Q3 2026) and Aluminum (about 649,000 metric tons in the same quarter). Because it sells raw and semi-finished metal into global markets, Alcoa is a price-taker: its revenue and margins are driven mainly by the London Metal Exchange aluminum price and the alumina price index, plus its own energy and raw-material costs. That makes it different from downstream fabricators like Arconic that sell finished, engineered products at steadier margins.

Full AA guide

Cleveland-Cliffs is North America's largest flat-rolled steel producer and the largest supplier of automotive-grade steel in the United States. It is vertically integrated, owning iron ore mines and pellet operations and converting raw materials and scrap through primary steelmaking into downstream finishing, stamping, tooling, and tubing. It makes money by selling steel to automakers, service centers, infrastructure, appliance, and other industrial customers; roughly a third of output goes to the automotive sector, and Q1 2026 steelmaking revenue included ~$1.4 billion (~29%) of direct automotive sales. The company employs roughly ~25,000 people across mining, steel, and manufacturing operations in the U.S. and Canada.

Full CLF guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• AA drivers: Aluminum price and supply gap; Restarts and higher volumes.
• CLF drivers: U.S.-only footprint plus tariff tailwind; Integration and scale.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The dominant risk is commodity price cyclicality: with revenue tied to aluminum and alumina indices, a global slowdown or a swing in Chinese supply can compress earnings quickly, and the stock's roughly 23% decline in 2026 despite higher profits shows how fast sentiment can turn. For CLF, cleveland-Cliffs is one of the more cyclical and leveraged names in the steel sector.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick AA if you believe its drivers more; CLF if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the AA and CLF guides.

AA. Figures are approximate and tied to the asOf date; verify live numbers before acting. For a cyclical producer, a forward P/E under 8x can be a trap because it reflects strong-cycle earnings that consensus already expects to fall about 18% in 2027, so the multiple says more about where aluminum prices sit than about the company. Analyst targets around $60 imply upside from the mid-October price, but that view is a bet on the commodity as much as on Alcoa.

CLF. Cliffs is a deeply cyclical steelmaker, so trailing earnings reflect a trough rather than a steady run rate, and a trailing P/E is not meaningful while the company posts losses. On forward estimates (about $0.95 of 2027 EPS) the stock trades near 13 times earnings and about 0.37 times sales, and the mean analyst target of about $12.60 sits close to the $12.46 close, with a consensus rating of hold. Investors typically watch EV/EBITDA, leverage, and whether the Q3 2026 report on October 19 delivers the guided swing to profit.

Headline figures (approximate, October 2026): AA shows revenue (ttm) ~$14.3 billion (Q3 2026 ~$3.70 billion, up ~24% year over year), net income (ttm) ~$1.5 billion (Q3 2026 ~$483 million); net margin ~11%, adjusted eps (q3 2026) ~$1.82 vs ~$1.51 consensus; trailing EPS ~$4.81, operating margin ~16% (gross margin ~23%); CLF shows revenue (ttm) ~$19.2 billion, revenue growth (q2 2026, yoy) ~6%, q2 2026 net loss ~$145 million (EPS -$0.20 vs -$0.22 est.), net income (ttm) ~-$866 million.

AA and CLF are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined AA and CLF exposure against your real portfolio. It is not an investment adviser.