BIST 100 Starts Day with Losses in Borsa Istanbul: Focus on Critical Data

BIST 100 Opening Outlook The BIST 100 index at Borsa Istanbul began the trading day on Friday, February 20, 2026, at 13,782.50 points, marking a decrease of 21.71 points or 0.16% compared to the previous close.
Following a sharp decline of 3.20% in the previous session to close at 13,804.21 points, the index entered the new day with a cautious tone.
Sectoral Movements and Notable Stocks Divergence was observed among sector indices at the opening.
While the banking index recorded a limited increase of 0.06%, the holding index lost 1.22%.
The tourism sector emerged as the top gainer with a 1.35% increase, while the holding sector stood out as the most significant decliner.
Geopolitical Pressure on Global Markets Ongoing tensions between the United States and Iran continue to weigh on global risk appetite.
US President Donald Trump's indication of a 10-day timeline for a new agreement process with Iran has increased investor demand for safe-haven assets.
Technical Levels and Data to Watch Analysts anticipate that US growth figures and Personal Consumption Expenditures (PCE) data, scheduled for release today, will be decisive for market direction.
Domestically, the real sector confidence index and manufacturing industry capacity utilization rate will be closely monitored.
From a technical perspective, the following levels are being tracked for the BIST 100 index: Support Levels: 13,600 and 13,500 points Resistance Levels: 13,900 and 14,000 points