A sharp divergence defined the Tunis stock exchange today: SIAME surged 5.9% to 4.68 TND, the strongest move on Thursday, September 17, 2026, even as the TUNINDEX slipped 0.05% to 19,044.9 points. The contrast was even more striking because the Building and Construction Materials Index fell 0.28%, showing this was not a broad sector rally but a highly selective move concentrated in one name.
Key figures
- SIAME: +5.9% at 4.68 TND
- TUNINDEX: -0.05% at 19,044.9 points
- TUNINDEX20: +0.03% at 8,323.13 points
- Market breadth: 19 advancers / 32 decliners / 24 unchanged
- USD/TND: 2.909, up 2.39%
Market context: selective gains in the Tunisia stock market
The September 17, 2026 session confirmed just how selective the Tunisia stock market has become. The TUNINDEX index ended at 19,044.9 points, down , while the edged up to . Breadth was negative, with , , and , a sign that weakness was broader than the headline index move suggests.
