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NOK · Forward model · Optical Networks · Bear case

What has to happen in Optical Networks

Model as of

This page changes Optical Networks inside the complete NOK model. Every other vertical, corporate programme and valuation assumption stays in the selected portfolio case.

NOK forward model
Horizon
Consolidated fair value €5.07 all other verticals held in this portfolio case
Final-quarter revenue €1.05B 19% of company revenue
Explicit segment contribution €1.72B EBITDA less segment capex, before corporate items

The order book converts slower than management's around half in twelve months, and the restructuring keeps eating the result. The basis quarter is the evidence: a REPORTED operating loss of EUR 50 million, free cash flow of negative EUR 732 million, net cash down EUR 1 012 million in three months to EUR 2 776 million, and a 2026 restructuring assumption raised mid-year to EUR 800 million of charges with EUR 700-800 million of cash behind it. Half-year free cash flow is negative EUR 104 million against positive EUR 809 million a year earlier, Fixed Networks is already shrinking, and Nokia's own risk factors lead with competitive intensity expected to continue at a high level. Here Optical and IP grow at roughly half the disclosed rate, Fixed loses another half point a quarter, margins land a point and a half lower - which puts the 2028 Network Infrastructure operating margin near 12%, missing the bottom of the 13-17% target - and the exit is 8x on a 10% discount rate. It is worth EUR 5.07 a share.

Optical Networks

Basis quarter€868M
Final quarter€1.05B
Implied CAGR+4%
Final revenue mix19%

Optical transport and data-centre interconnect - the line the AI and cloud build-out actually buys. Net sales grew 20% year on year on a constant-currency basis in 2026 Q2 and Nokia is adding US manufacturing capacity (San Jose fab ramping in Q4 2026, Pennsylvania test and packaging up 10x from Q3 2026, the NXP Chandler campus from 2027) specifically because supply, not demand, is the stated industry constraint.

Last four quarters
2025 Q3 €782M Reported
2025 Q4 €981M Reported
2026 Q1 €821M Estimated
2026 Q2 €868M Reported
Optical transport systemsData-centre interconnectOptical components
Sequential growth +4.4%/qtr decaying toward +2.0% Deseasonalised Q2'25-Q2'26 trend, 4.4%/qtr; cross-checks the disclosed +20% constant-currency year on year.
Optical Networks

Latest: €1.05B (2031Q2E)

Period Value
2025Q1 €525M
2025Q2 €730M
2025Q3 €782M
2025Q4 €981M
2026Q1 €821M
2026Q2 €868M
2026Q3E €886M
2026Q4E €1.06B
2027Q1E €919M
2027Q2E €933M
2027Q3E €947M
2027Q4E €1.13B
2028Q1E €970M
2028Q2E €981M
2028Q3E €990M
2028Q4E €1.17B
2029Q1E €1.01B
2029Q2E €1.01B
2029Q3E €1.02B
2029Q4E €1.20B
2030Q1E €1.03B
2030Q2E €1.03B
2030Q3E €1.04B
2030Q4E €1.22B
2031Q1E €1.04B
2031Q2E €1.05B

Assumptions & reasoning

  • Nokia has never published an Optical Networks operating margin. All three Network Infrastructure lines carry the parent segment's derived 12.74% trailing EBITDA margin, and the model differentiates their growth, which is disclosed, not their profit, which is not.
  • US fab capacity is a supply story with no disclosed unit capacity, revenue per port or utilisation, so a capacity driver would have had to invent all three denominators; growth is the only evidenced driver here.
  • 2026 Q1 is derived as first-half business-unit net sales less the disclosed second quarter: 1 689 - 868 = 821. The three Network Infrastructure lines so derived sum to the recast segment total of 1 829 to the euro.
  • The 4.4% quarterly rate deliberately excludes 2025 Q1, which carries only one month of Infinera (closed 28 February 2025); fitting the raw six quarters gives 10.6% a quarter, which is an acquisition, not a trend.
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