Institutions are racing to secure co‑location near the Shanghai and Shenzhen exchanges after the Shanghai Stock Exchange completed a switch of market-data access from LAN to WAN on July 31. The Shenzhen Stock Exchange has not yet completed the change but is expected to switch market-data access from LAN to WAN on August 7; some firms say the switch could occur within the week, though timing remains unconfirmed. Market participants report that surrounding data centers in both cities are facing ti

Institutions are racing to secure co‑location near the Shanghai and Shenzhen exchanges after the Shanghai Stock Exchange completed a switch of market-data access from LAN to WAN on July 31. The Shenzhen Stock Exchange has not yet completed the change but is expected to switch market-data access from LAN to WAN on August 7; some firms say the switch could occur within the week, though timing remains unconfirmed. Market participants report that surrounding data centers in both cities are facing tight supply for racks/co‑location, creating potential capacity constraints for latency‑sensitive trading and market‑data connectivity.