Keysight Technologies (KEYS) Valuation Check After Strong Share Price Surge And Earnings Breakout

Keysight Technologies (KEYS) has drawn fresh attention after a strong recent share price move, with the stock up about 26% over the past week and roughly 39% over the past month.

See our latest analysis for Keysight Technologies.

The recent surge builds on stronger momentum, with a 90 day share price return of 55.26% and a year to date share price return of 48.76%. The 1 year total shareholder return stands at 92.65%, suggesting sentiment has shifted firmly in Keysight Technologies' favor.

If this kind of move has you looking for what else could be setting up for growth, our screener of 33 AI infrastructure stocks is a useful place to start your search.

That kind of run up naturally raises the key question for you as an investor: is Keysight still trading below what its fundamentals might support, or has the market already priced in a lot of future growth?

Most Popular Narrative: 6.4% Undervalued

According to the most followed narrative, Keysight's fair value of $328.45 sits above the last close of $307.33, which frames the recent share price surge in a different light.

Keysight Technologies (KEYS) has just delivered a performance that has left the market breathless, with the stock surging to $301.63 as of the February 24, 2026 close. This massive 23% single-day jump followed a Q1 2026 earnings report that did not just beat estimates, it obliterated them. Revenue clocked in at $1.6 billion (up 23% year-over-year), but the real "mic drop" was the record order book of $1.65 billion.

Read the complete narrative.

If you want to understand why this narrative still sees upside, the core story sits in how revenue, margins and cash flows are expected to evolve from here, not just in the headline beat.

Result: Fair Value of $328.45 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, this story can break if the Spirent integration underdelivers or if semiconductor and data center customers pull back their test and capex budgets.

Find out about the key risks to this Keysight Technologies narrative.

Another View: Multiples Flash A Different Signal

That 6.4% undervalued narrative runs into resistance when you look at the current P/E of 53.8x. This sits well above the US Electronic industry at 27.6x and the estimated fair ratio of 31.3x, which points to meaningful valuation risk if sentiment cools.

See what the numbers say about this price — find out in our valuation breakdown. How comfortable are you paying a premium like that for Keysight today, given where peers and the fair ratio sit?

Next Steps

If this mix of optimism and concern has you on the fence, take a closer look now and weigh both sides by reviewing our breakdown of 2 key rewards and 1 important warning sign.

Looking for more investment ideas?

If you stop with just one stock, you risk missing other opportunities that could fit your goals even better, so widen your search before you commit.

• Target steady value by scanning our list of 46 high quality undervalued stocks that pair quality fundamentals with pricing that may still leave room on the table.
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• Strengthen your core holdings with solid balance sheet and fundamentals stocks screener (39 results), highlighting businesses that combine financial resilience with solid underlying metrics.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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