The BIST 100 index closed 0.64% lower on Monday, settling at 14,183.21 points as investors digested mixed sector performance.

The decline erased 90.80 points from the previous close, reflecting cautious sentiment across the Turkish equity market.

4 billion lira. The banking sector emerged as the primary drag on the benchmark, falling 0.

Trading activity remained robust, with total turnover reaching 137.4 billion lira.

The banking sector emerged as the primary drag on the benchmark, falling 0.58% as financial stocks faced selling pressure.

In contrast, the holding index bucked the broader trend, gaining 0.55% to provide a counterweight to the day's losses.

The divergence between financials and conglomerates highlights the selective nature of current market flows.