Diodes delivered the kind of quarter that usually resets the conversation. Third-quarter non-GAAP earnings of $1.18 per share beat the $1.05 consensus by 12.4% and grew 218.9% year over year. Revenue reached a record $532.59 million, up 35.8% from a year ago and 19.5% sequentially. The fourth-quarter outlook calls for revenue of about $550 million and non-GAAP EPS of $1.35, plus or minus $0.10. That guide is above estimates and implies roughly 40% year-over-year revenue growth, so the top line is still accelerating. The central tension is that the stock spent the past quarter pricing in a cycle peak. Shares entered the report about 20% below where they opened after the August release and less than 3% above their inter-earnings low.
The operating story beneath the beat is strong. GAAP gross margin rose to 36.1% from 33.1% in the second quarter and 30.7% a year ago. Management credited three factors: higher factory loading as new capacity came online, better product mix, and pricing improvements. Non-GAAP operating expenses fell to 22.9% of revenue from 24.4% in the second quarter and 26.6% in the fourth quarter of 2025. GAAP operating income was $63.4 million, versus $11.6 million a year earlier. The quality of the beat still deserves some scrutiny on a GAAP basis. GAAP EPS slipped to $0.95 from $1.00 in the second quarter, held back by a $6.0 million unrealized investment loss and a 23.2% tax rate. EBITDA margin also eased to 16.8% from 18.7%. Neither issue undermines the core trend, but the GAAP line was noisier than the headline.
The call reinforced the view that the growth is broad. Automotive set a record, up 26% sequentially and roughly 60% year over year, which management tied to market-share gains. Industrial also rose 26% sequentially and 50% from a year ago. Automotive and industrial together reached 46% of revenue, up from 42% in the fourth quarter of 2025. Computing set a record, up 33% year over year, on AI-server demand, including:
- PCIe 6.0/7.0 timing wins with major AI server customers;
- silicon carbide for 800V power architectures;
- an early 1.6T optical-module ramp.
Global point-of-sale volume rose more than 30% to a record. The unit run-rate is about 60 billion, versus roughly 45 billion in 2025. Management now expects full-year revenue growth of about 30%, far above the roughly 10% framework it set in February. It signaled that its three-year targets of $2 billion in revenue, 35%+ gross margin and $4+ EPS will be reset on the next call. The fourth-quarter guide of 3.2% sequential growth is a sharp slowdown from the third quarter's pace. However, it runs against the typical 5-6% seasonal decline for the third time this year.
Bears still have legitimate ammunition. Notebook and PC demand is softening into the fourth quarter, and China smartphone weakness persists in communications. Supply is tight and lead times are extended, which can cap shipments. It can also prompt the double-ordering that inflates a cycle. Channel inventory sits below the normal 11-14 week range. That is healthy if end demand holds, but it raises the question of how much current strength reflects restocking. Capital intensity also rose. Capex reached 10% of revenue, above the 5-9% target range, so free cash flow was only $43.9 million against $97.2 million of operating cash flow. The $375 million zero-coupon convertible lifted total debt to about $405 million. The balance sheet remains comfortable, with $578 million in cash and investments and about $35 million used for buybacks. The ElevATE acquisition adds automated-test-equipment exposure but also integration risk and $231 million in intangibles.
The market setup is more complicated than the surprise implies. Investor sentiment weakened from -0.12 to -0.25 heading into the report, a meaningful deterioration within negative territory. Shares peaked at $110.86 on October 6, then fell to a low of $77.44 on October 30. At $79.46 before the release, the stock sat 28% below that high and nearly 10% below its 200-day moving average of $88.19. The Earnings Whispers trend readings are mixed: momentum is positive while AVWAP remains negative. That mix fits a stock whose fundamentals are improving faster than its chart.
The bottom line is that Diodes posted a high-quality operating quarter and guided above estimates. Revenue, margins and earnings power are all moving ahead of management's own February roadmap. The skepticism is about durability rather than execution: low channel inventory, tight supply, PC softness and the threat of a cycle peak. The upcoming target reset and the first quarter of 2027 will show whether this counter-seasonal run reflects structural share and content gains or an extended upcycle.