Keysight Technologies, Inc.

KEYS · NYSE · USD

Can Keysight convert an AI-driven order surge into shipped revenue fast enough, and at high enough margins, before the data center build-out cycle turns?

Last 4 earnings calls · through Q3 FY2026

Bull case

  • AI data center test demand

    The bull case is that AI data center build-outs are driving demand for Keysight's test and emulation tools faster than the company can add supply.

  • Repeated guidance raises

    Wireline has overtaken wireless as the largest part of commercial sales, and management has raised its outlook each quarter as orders convert.

  • Defense and semiconductor demand

    Defense modernization and semiconductor capacity spending give Keysight two more growth legs beyond AI, and record gross margins show pricing power.

  • Cash returns and synergies

    Record cash generation funds buybacks and acquisitions, and integration savings are expected to lift margins further as the acquired businesses fold in.

Bear case

  • Supply limits shipments

    The bear case is that supply chain availability, not customer demand, now caps revenue, so orders keep outpacing what Keysight can ship and book.

  • AI capital spending cycle

    Much of the growth rests on one AI data center capital spending cycle, and test equipment sales fall quickly when customers pause those budgets.

  • One-time tariff refunds

    Reported profit is flattered by one-time tariff refunds that will not repeat, and the software mix that supported margins has slipped as hardware grows faster.

  • Cyclical capital budgets

    The company sells into capital budgets customers can defer, and its last downturn cut revenue and operating margin sharply.

Bull and bear points

Growth & Execution

In short: AI-driven orders are surging, while supply chain capacity now sets how fast those orders become revenue.

Bull · 2

  • AI wireline orders more than doubled and drove record bookings

    Communications Solutions revenue rose 47% to $1.3 billion while wireline orders more than doubled, so demand is running well ahead of what Keysight can currently ship.

    Q3 FY2026 call

  • Full-year revenue growth guidance raised from 19% to 32%

    A year ago management guided fiscal 2026 to 19% growth at the midpoint, about 10% excluding acquisitions; it now guides to 32% after two straight quarters of orders above $2 billion.

    Tone shiftQ4 FY2025 → Q3 FY2026
Bear · 2

  • Supply chain is now the limit on revenue, not demand

    Three months ago management said it had no major supply concerns; it now says parts availability will govern how quickly orders convert to revenue for several quarters.

    Tone shiftQ2 FY2026 → Q3 FY2026

  • Acquisition revenue outlook left unchanged despite demand

    Even with stronger end markets, management kept its acquisition revenue outlook where it stood and said Spirent's network monitoring market sits between cycles, so the deals contribute less than the demand backdrop would suggest.

    Q2 FY2026 call

Profitability & Financial Strength

In short: Margins and cash flow are at records, though tariff refunds and a lower software mix temper the quality.

Bull · 2

  • Gross margin rose to 65.9% on richer product mix

    Gross margin climbed 4.2 points to 65.9% as mix shifted toward higher-value AI and defense systems, and management expects the upper 60s to hold at current volumes.

    Q3 FY2026 call

  • Operating margin now above the long-stated 31% to 32% target

    Management had pushed the 31% to 32% operating margin target well out after the downturn; it now reports an adjusted operating margin of 33.2%, above that range.

    Tone shiftQ4 FY2025 → Q3 FY2026
Bear · 2

  • Tariff refunds flattered results and will not repeat

    The finance chief warned that profitability this year is artificially raised by one-time tariff items, so the reported improvement overstates the earnings power of the base business.

    Q2 FY2026 call

  • Software and services fell to 33% of revenue from 40%

    Management had pointed to software and services reaching about 40% of revenue as support for margins; hardware growth has since pulled that share down, and management no longer sets a software mix target.

    Tone shiftQ1 FY2026 → Q3 FY2026

Market Position

In short: The portfolio wins in AI and defense test, while sales follow customers' capital budgets.

Bull · 2

  • Full-stack test portfolio wins as wireline overtakes wireless

    Communications Solutions revenue rose 47% to $1.3 billion and wireline exceeded wireless for the first time, as customers buy electrical, optical and protocol testing from one supplier rather than separate product vendors.

    Q1 FY2026 call

  • Defense modernization budgets support a multiyear demand cycle

    European rearmament, US prime contractors adding capacity, and jamming-resistant navigation work from Spirent give Keysight a defense business management describes as durable across multiple years.

    Q3 FY2026 call
Bear · 2

  • Test spending follows customer capital budgets and has fallen hard

    Revenue fell 13.9% between fiscal 2011 and fiscal 2015 and operating margin dropped from 22.2% to 15.1%, showing how quickly demand for capital equipment can reverse in a downturn.

    Filed financials

  • Tariff and export policy changes reach both costs and orders

    Keysight added customer surcharges to offset tariffs and later refunded them, and it ships into markets where export controls and sanctions can restrict who it may sell to.

    10-K, filed 2025-12-17