STET processed 38.9 billion transactions across all services in 2025. The CORE(FR) interbank clearing platform handled 14.8 billion of those at a daily average of 40.6 million. This represents an 8% increase from the 2024 average of 37.6 million per day. Peak daily throughput reached 61.3 million transactions.

French instant credit transfers accounted for 20% of all credit transfers processed through STET in 2025. Belgium recorded a higher share at 25%. Among STET-processed bulk transfers, 54% of French-originated transactions were initiated as SCT Inst. Comparable figures for Belgium, Luxembourg, and the Netherlands were 34%, 28%, and 23%. STET projects the French instant share will reach approximately 50% by 2027 as corporate adoption accelerates.

STET processed over 1.5 billion tokenized payments in 2025, a 64% increase over 2024. Adyen became the first major non-bank payment service provider to join STET as a direct participant and principal member of the CB card network on 1 April 2026.