Société Tunisienne de Banque stock fell 2.01 percent on September 25

Société Tunisienne de Banque stock stood at TND 4.87 on the Tunis Stock Exchange on September 25, 2026, down 2.01 percent on the session. The move came as the bank's first-half figures showed faster lending growth but weaker net banking income, making operating efficiency the central issue for the stock.

Loans outpace the sector

According to STB in its release dated September 4, 2026, the bank's balance sheet grew 3.50 percent to TND 15,901 million at June 30, 2026, from TND 15,360 million a year earlier. Net customer loans increased 1.90 percent during the first half, compared with 0.30 percent for the banking sector.

Customer deposits reached TND 13,000 million at June 30, 2026, up 3.70 percent from December 31, 2025. The deposit trend gives STB a larger funding base, but the faster balance-sheet growth has not yet translated into stronger reported banking income.

Income pressure changes the picture

STB reported net banking income of TND 314 million for the first half of 2026, compared with TND 350 million in the first half of 2025. Operating expenses reached TND 188.10 million, an increase of 7.10 percent, while the cost-income ratio rose to 59.90 percent from 50.10 percent.

The profitability pressure was partly offset by stronger securities and financial-operation revenue, according to the same September 4, 2026 release. The bank also reported Tier 1 capital of 12.62 percent and a total solvency ratio of 14.57 percent at June 30, 2026, providing a measurable buffer while income growth remains under pressure.

Stock stays below its yearly high

STB stock traded between TND 4.83 and TND 5.07 on September 25, 2026, while its 52-week range stood at TND 3.60 to TND 7.10. The TND 4.87 last price was 31.41 percent below the 52-week high, leaving the market valuation below its yearly peak despite a 61.05 percent one-year gain reported on the quote page.

Price and investor perspective

At TND 4.87 on September 25, 2026, Société Tunisienne de Banque stock combined a 2.01 percent session decline with a balance sheet that expanded 3.50 percent in the first half. The key question for the next results cycle is whether loan and deposit growth can reverse the TND 36 million decline in net banking income.