The BIST 100 index closed the session 0.50% higher, finishing at 14,497.37 points.
The benchmark gained 72.83 points from the previous close, supported by broad-based buying interest across key sectors.
Total trading volume reached 204.5 billion lira, indicating robust liquidity in the market.
The banking sector index led the advance, rising 0.36%, while the holding index added 0.29% to its value.
These gains reflect continued investor confidence in domestic financial and conglomerate stocks.
The positive close comes as global markets show mixed signals, with Nordic exchanges also closing higher earlier in the week.