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 (73.6 vs 81.6); year to date, Coherent leads (+81.3% vs +16.7%).
Side by side
| COHR | DLR | |
|---|---|---|
| Market cap | $59.2B | $65.2B |
| Price | $312.62 | $178.76 |
| Today | +3.4% | +1.5% |
| Return YTD | +81.3% | +16.7% |
| Return 1Y | +194.6% | +3.0% |
| Since June 26, 2026 | −17.9% | −7.4% |
| P/E | 73.6 | 81.6 |
| P/S | 8.3 | 9.6 |
| P/B | 5.4 | 2.4 |
Data as of 2026-10-09 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
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.