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; Digital Realty trades at the lower P/E (46.8 vs 135.4); year to date, Coherent leads (+75.8% vs +16.6%).
Side by side
| COHR | DLR | |
|---|---|---|
| Market cap | $63.5B | $64.5B |
| Price | $324.50 | $180.41 |
| Today | −0.8% | +0.6% |
| Return YTD | +75.8% | +16.6% |
| Return 1Y | +246.2% | +5.8% |
| P/E | 135.4 | 46.8 |
| P/S | 9.6 | 10.2 |
| P/B | 5.9 | 2.8 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
CoherentCOHR
Produces optical transceivers and lasers — the components that transmit data as light between AI servers and data centers.
Full COHR profile →Digital RealtyDLR
Global data center REIT that owns and operates data centers for hyperscalers and enterprises — from large wholesale halls to interconnection.
Full DLR profile →More comparisons in Data centers
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 →