On Semiconductor has turned into one of the market's hottest recovery stories, but the stock may now be running well ahead of its fundamentals. The stock has nearly doubled from the low $50s to $100 in just a few months as investors rushed back into anything tied to EV and AI data-center power. The problem is that EV demand has become far more uneven, price-sensitive and policy-driven, while ON's core automotive business is still operating declining growth and weak margins. Global EV sales rose more than 20% in 2025 and Europe's March 2026 EV registrations were strong, so the long-term EV story is still intact. But February 2026 global EV registrations fell 11% year over year, with China down 32% and North America down 35% — highlighting how fragile near-term demand can be when subsidies fade and the macro backdrop worsens. The stock is now being valued on the idea of a clean rebound in EV and industrial demand, yet the company's recent results still reflect inventory overhangs, auto weakness and growing competition in silicon carbide from Chinese players. In other words, investors are paying up for the recovery before the recovery has shown up in the numbers. Trade timing & outlook ON now looks technically stretched after a near-vertical run from about $50 to almost $100. The stock is extremely overbought, momentum has become crowded, and the latest pullback suggests buyers may finally be tiring near the highs. If this rally was driven more by anticipation than by improving fundamentals, a sharp retracement back toward the $70 range is entirely plausible. From a technical standpoint, this is the kind of setup where any softness in semis triggered by earnings or OpenAI's recent tremors can trigger a fast, air-pocket move lower. Fundamentals The stock's current setup looks especially vulnerable because the fundamentals are still mixed: Forward P/E: ~33.8x vs. industry ~37.3x Expected EPS growth: ~32.5% vs. industry ~27.4% Expected revenue growth: ~8% vs. industry ~15.5% Net margins: ~2% vs. industry ~14.7% The issue is that the stock is trading like a clean cyclical winner on valuation despite very weak margin quality and slower revenue growth. A 2% net margin leaves almost no room for execution mistakes if auto demand softens or pricing gets worse. Bearish thesis Near-term EV demand is clearly fragile: The latest data show a much choppier reality: strong Europe, but sharp declines in China and North America in February, driven by subsidy roll-offs, weaker auto sales and policy changes. Price competition is a bigger risk: Even if EV units keep growing over time, that does not guarantee strong economics for ON with heavier competition in silicon carbide, particularly from Chinese suppliers. The stock has outrun the recovery: The company is still coming out of an inventory correction and operating with very thin profitability. That creates poor asymmetry: if the recovery arrives more slowly than expected. Options trade To express a bearish view and take advantage of a potentially swift pullback, consider buying a shorter dated put option by Buying the May 29, 2026 $94 Put @ $7.60 Debit. Maximum risk: $760 per contract if ON is above $94 at expiration Breakeven: $86.40 Profit zone: The trade benefits from a sharp move lower, with the thesis centered around a pullback from the low-$90s toward the mid-$80s initially and potentially the $70 range if momentum fully unwinds. This structure keeps the thesis simple: if ON's overbought rally starts to reverse, the straight put provides clean downside exposure without capping the payoff. View this Trade in OptionsPlay for Updated Pricing Summary On Semiconductor may still have a long-term role in EV and power infrastructure, but that does not mean the stock is immune from a sharp correction here. Near-term EV demand has become uneven, pricing pressure is rising, and ON's own margins remain too weak to support a near-doubling in the stock without much stronger operating proof. With the stock extremely extended and the fundamentals still lagging the narrative, ON looks vulnerable to a quick pullback as investors reassess how much of the recovery is already priced in. DISCLOSURES: None. All opinions expressed by the CNBC Pro contributors are solely their opinions and do not reflect the opinions of CNBC, or its parent company or affiliates, and may have been previously disseminated by them on television, radio, internet or another medium. THE ABOVE CONTENT IS SUBJECT TO OUR TERMS AND CONDITIONS AND PRIVACY POLICY . 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