Coherentvs.Digital Realty
COHR vs DLR · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.
Coherent and Digital Realty are similar in size by market cap; Coherent trades at the lower P/E (79.5 vs 91.9); year to date, Coherent leads (+49.3% vs +21.9%).
Side by side
| COHR | DLR | |
|---|---|---|
| Market cap | $64B | $73.4B |
| Price | $288.14 | $192.32 |
| Today | +4.6% | +2.0% |
| Return YTD | +49.3% | +21.9% |
| Return 1Y | +206.4% | +12.9% |
| P/E | 79.5 | 91.9 |
| P/S | 9.0 | 10.8 |
| P/B | 5.9 | 2.7 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
CoherentCOHR
Makes the transceivers and lasers that turn data into light for the hop between AI servers.
Full COHR profile →Digital RealtyDLR
Owns and runs data centres as a REIT, from wholesale halls let to hyperscalers down to smaller colocation space.
Full DLR profile →More COHR & DLR comparisons
Other head-to-heads in the Data centers segment.
See where COHR and DLR sit in the full AI & digital infrastructure map: every segment from suppliers to end markets.Open the AI value chain →