CLS vs FLEX

Celestica Inc. and Flex Ltd., both Technology

Flex Ltd. is the larger company at $54B against $43B. On trailing earnings CLS is the cheaper of the two at a P/E of 37.2 against 43.2, a gap that is only a bargain if the two are growing at similar rates. Over the past year FLEX returned +125% against +53% for CLS. Ryufin's sector-relative Smart Score puts CLS ahead, 8/10 against 5/10.

Celestica Inc. and Flex Ltd.compared on valuation, return and Ryufin’s Smart Score
FigureCLSFLEX
Last close$308$112
Market cap$43B$54B
Trailing P/Elower is cheaper for the same earnings, not automatically better37.243.2
1-year return+53%+125%
5-year return+3348%+732%
Ryufin Smart Scoresector-relative, 1–108/105/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Celestica Inc.

Revenue of $4.0B in Q1 2026, net income $212M. Its largest reported line is CCS, 75% of the disclosed total.

Flex Ltd.

Revenue of $7.9B in Q1 2027, net income $285M. Its largest reported line is Regulated Manufacturing Solutions, 34% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.