Capital Online Data Service (300846, SZSE) is a China company in the Data Centers & Cloud segment of the AI compute value chain. As of October 04, 2026, its market cap is $1.4 billion ($1.4B), ranking #229 of 244 companies overall and #16 of 19 in the Data Centers & Cloud segment (0.2% of the segment, 0.01% of the chain). Over the past year the stock lost 19.0% (52-week range 17.19 – 37.80 CNY).
| Company | Capital Online Data Service（首都在线） |
|---|---|
| Ticker | 300846 · SZSE |
| Segment | Data Centers & Cloud |
| Headquarters | China |
| Market cap | $1.4B（$1.4 billion） |
| Close | 18.14 CNY (October 04, 2026) |
| Today | -3.25% |
| 30 days | -13.00% |
| 1 year | -18.98% |
| 52-wk high / low | 37.80 / 17.19 CNY |
| Share of segment | 0.2% (Data Centers & Cloud: 19 companies) |
| Share of chain | 0.01% (244 companies combined) |
| Segment leader | Oracle ($431.4B) |
| P/B ratio | 11.77 |
|---|---|
| Basis | PE/PB 腾讯行情；净利润=总市值÷PE 推算（TTM） (source: tencent, 2026-10-05 08:05) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Oracle ORCL | US | $431.4B |
| 2 | Equinix EQIX | US | $101.2B |
| 3 | Digital Realty Trust DLR | US | $66.2B |
| 4 | Nebius Group NBIS | US | $66.0B |
| 5 | CoreWeave CRWV | US | $49.4B |
| 6 | Iron Mountain IRM | US | $33.8B |
| 7 | IREN Limited IREN | US | $16.5B |
| 8 | Runze Technology 300442 | SZ | $15.6B |
| 9 | Applied Digital APLD | US | $7.6B |
| 16 | Capital Online Data Service 300846 | SZ | $1.4B |
| 10 | GDS Holdings GDS | US | $5.5B |