Celestica fell 43% from its peak on no news, and the verdict lands Monday
The Toronto contract maker behind hyperscalers' AI racks dropped 12% and then 11.7% in five sessions with no announcement from the company, while UBS kept a $430 target and insiders sold $254 million. Q3 results land after the close Monday, October 26.
Vincent Jiang · 3 min read
Celestica−2.19% — Celestica, down 2.19 percent today builds other companies' AI machines: the Toronto contract manufacturer assembles hyperscale servers and network switches, and now sells a switch of its own. In five trading days its New York shares slid from a 52-week high of $474.03 to $269.01, a 12.04% drop on October 16 and another 11.7% on October 22, each on no company announcement 12. The company's own answers arrive Monday: Q3 results after the close October 26, an investor day October 27 3.
From $389 to $269 in twelve trading days, still 43% below the high
Data
| Value | |
|---|---|
| Oct 6 | 389.2 |
| Oct 20 | 302.08 |
| Oct 22 | 269.01 |
Two camps, one stock, no news
Camp one is the market repricing the AI funding chain. Coverage of the October 16 fall blamed hotter-than-expected US inflation, elevated Treasury yields and doubt about the durability of AI capital spending, and found no company-specific driver at all 2. Camp two holds the receipts: UBS kept its Buy and $430 target on October 16, against a $302.08 quote on October 20, and ratings tracker MarketBeat counted 23 Buy ratings against one Hold with a $450.50 average target as of October 6 36.
The tension sits in the numbers themselves. Q2 revenue hit CAD 4.70 billion with net profit of CAD 368.8 million, up from CAD 2.89 billion and CAD 211.0 million a year earlier, yet the stock trades at 27.9x trailing earnings against a five-year median of 18.1x 13.
Revenue up 63% year over year, profit up 75%: the quarter the market repriced
- Revenue
- Net profit
Data
| Revenue | Net profit | |
|---|---|---|
| Q2 2025 | CAD 2.89B | CAD 0.21B |
| Q2 2026 | CAD 4.7B | CAD 0.37B |
Insiders sold $254 million as guidance bracketed consensus
Insiders over twelve months bought $2.1 million and sold $254.1 million 1. Management guides Q3 adjusted EPS to $2.88 to $3.08 against consensus of $2.94 on $5.37 billion in revenue, so guidance brackets consensus: what investors are really watching is whether revenue beats and margins hold through the quarter 3.
What the wires missed: the machine under the stock
At the OCP Global Summit, the hyperscalers' open-hardware conference run by the Open Compute Project Foundation, Celestica staged a session with customer OpenAI$1.18T — OpenAI, private, latest valuation $1.18T and chip supplier Broadcom+0.44% — Broadcom, up 0.44 percent today laying out the OpenAI Jalapeno rack design: up to 128 chips on copper locally, scaling to 2,048 on optics across racks 4.
Celestica's own DS6005, shown at the summit October 12 to 15, is a liquid-cooled co-packaged-optics switch, meaning the optical engines sit on the same package as the switching chip to cut power and latency per bit 5. It delivers up to 102.4 terabits per second across 64 ports of 1.6-terabit Ethernet on Broadcom's Tomahawk 6 Davisson chip 5.
The workload and the doubt
The business behind the stock is heavy. Celestica says 70% of its engineering now goes to validation, with optical qualification windows compressed from 36 months to 18 4. That is the business the market just cut 43% off 4.
The strongest counterargument comes from the roadmap itself: Broadcom's own slides mark next-generation optics specs with question marks, 2,048 chips is a design ceiling not a deployment, and copper keeps the shortest links 4. At 13.6x forward earnings, the market has already priced a good deal of that doubt in 1.
Monday's close will show whether the order book is funded demand, and the insider ledger says which side of that trade the people closest to it were on 13.
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