FMI opines the OPC UA FX market was valued at 15.87 USD billion in 2025. Sales are expected to reach 17.15 USD billion in 2026 and 37.4 USD billion by 2036. OPC UA servers & gateways is poised to lead by Protocol/stack focus with 58% share in 2026 and On-prem is estimated to command by Deployment in 2026.