Geopolitical Pressure on Borsa Istanbul: BIST 100 Index Drops Below 14,000 Points

Sharp Decline in the BIST 100 Index The BIST 100 index on Borsa Istanbul closed the day at 13,804.21 points, marking a 3.20% decrease as widespread selling pressure took hold amid escalating geopolitical risks.
Losses Deepen Across Sectoral Indices Selling pressure in the markets was heavily reflected in sectoral indices.
The banking index lost 4.37%, while the holding index fell by 4.57%.
Among the sectoral indices, insurance, holding, and investment trusts were the biggest losers, each dropping 4.57%.
Conversely, the financial leasing and factoring sector stood out as the only group to finish the day in positive territory, with a limited increase of 0.32%.
Geopolitical Activity in Global Markets News regarding tensions between the United States and Iran continues to dictate market pricing.
The deployment of U.S.
fighter jets to regional bases and the commencement of a joint naval exercise by Iran and Russia in the Sea of Oman have heightened global risk perceptions.
Kremlin Spokesperson Dmitry Peskov addressed the situation, calling for restraint from all parties and expressing hope for a diplomatic resolution to the issues.
Domestic Data and Technical Levels According to domestic data, housing sales in January decreased by 4.7% compared to the same period last year, totaling 111,480 units.
The consumer confidence index rose by 2.3% in February to 85.7, while the short-term external debt stock was recorded at $165.7 billion in the final quarter of 2025.
Analysts indicate that, from a technical perspective, the 13,600 and 13,500 levels serve as support for the BIST 100 index, while 13,900 and 14,000 points act as resistance.
In the upcoming trading session, the real sector confidence index will be monitored domestically, while global PMI data and U.S.
growth figures will be tracked internationally.