Keysight Technologies Inc vs MKS Inc

Keysight Technologies Inc (KEYS) is slightly overvalued and MKS Inc (MKSI) is undervalued.

Against our estimates of intrinsic value, MKSI trades at the wider discount: a margin of safety of +49%, against -14% for KEYS.

Values as of the 22 Sept 2026 close.

Keysight Technologies Inc (KEYS)

A 8.0x revenue multiple, adjusted for growth and margin, values the shares at $305.41; the price of $347.32 is 14% above that value.

Leak Score 47/100 on 9 of 12 signals

MKS Inc (MKSI)

A 8.8x revenue multiple, adjusted for growth and margin, values the shares at $512.86; the price of $260.37 is 49% below that value.

Leak Score 54/100 on 3 of 12 signals

MetricKEYSMKSI
VerdictSlightly overvaluedUndervalued
Price$347.32$260.37
Intrinsic value$305.41$512.86
Margin of safety-14%+49%
Leak Score47/100 (9/12)54/100 (3/12)
Market cap$59.1B$17.6B
Revenue growth, 5 years5.0%11.0%
Operating margin24.4%16.7%
Net margin19.1%10.1%
Return on equity20.9%15.9%
Debt to equity0.421.40
P/E47.8x41.5x
Forward P/E25.4x14.9x
P/B9.0x5.9x
Dividend yield0.4%

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