SIX reported robust market performance across its exchanges in October 2026, with the SMI reaching an all-time high of 14,810.7 points in September and overall trading turnover climbing to CHF 1.6 trillion, up 15.2% compared to the first ten months of 2025.
- SMI September Peak: 14,810.7 points (all-time high)
- IBEX 35 October Close: 18,653.0 points (down 4% from September)
- SIX Swiss Exchange YTD Growth: 9.9%
- BME Exchange YTD Growth: 29.9%
- Infomaniak IPO Price: CHF 56.00 per share
- Infomaniak Market Cap: Approximately CHF 262 million
The SMI recorded a 7.1% gain in September, while the Spanish blue-chip index IBEX 35 declined 4% month-over-month to close at 18,653.0 points. Year-to-date performance diverged across SIX’s portfolio, with SIX Swiss Exchange posting 9.9% growth and BME Exchange surging 29.9%.
Infomaniak, a Swiss cloud computing pioneer, commenced trading on SIX Swiss Exchange as the fifth new listing of 2026, opening at CHF 56.00 per share. The debut valued the company at approximately CHF 262 million, marking a significant milestone for the exchange’s capital markets activity.
CONNEXOR achieved a record milestone, with its data services surpassing the 2.9 million product uploads recorded in the previous year. The performance underscores growing demand for SIX’s market infrastructure and data offerings across European exchanges.
