KEYS vs TDY
Keysight Technologies (KEYS) and Teledyne Technologies (TDY) compared side by side. Keysight Technologies (KEYS) is larger, with a market cap of $53.6B versus $29.0B for Teledyne Technologies, about 1.8 times the size. On trailing earnings, TDY is cheaper at 28.6x versus 42.6x for KEYS.
Head to head
| Metric | KEYS | TDY |
|---|---|---|
| Market cap | $53.6B | $29.0B |
| P/E (TTM) | 42.6x | 28.6x |
| Forward P/E | 22.6x | 22.7x |
| Revenue (TTM) | $6.6B | $6.5B |
| Revenue growth | 36.5% | 9.4% |
| Gross margin | 63.3% | 43.6% |
| Operating margin | 25.7% | 20.8% |
| Free cash flow | $1.5B | $1.1B |
| Dividend yield | None | None |
| 1-year return | +86.9% | +16.5% |
| 5-year return (annual) | +12.3% | +7.0% |
| Max drawdown | -46% | -66% |
| FI Handbook grade | B | C |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
KEYS vs TDY FAQ
Which is bigger, KEYS or TDY?
Keysight Technologies (KEYS) is larger, with a market cap of $53.6B versus $29.0B for Teledyne Technologies, about 1.8 times the size.
Is KEYS or TDY cheaper?
On trailing earnings, TDY is cheaper at 28.6x versus 42.6x for KEYS. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, KEYS or TDY?
KEYS returned +86.9% over the past year including dividends, versus +16.5% for TDY, through October 23, 2026.
Full pages: Keysight Technologies · Teledyne Technologies