BIST 100 heads into Friday after ASELSAN-led 14-point gain

The BIST 100 closed October 28 at 11,165 points, up 14 points or 0.1 percent, before Turkey's Republic Day holiday. The half-day session ended at 12:40 p.m. TRT, according to Paratic.

ASELSAN was the strongest reported BIST 100 mover, rising 5.2 percent. The index opened at 11,151 points and traded between 11,080 and 11,211 points, according to Milliyet.

Why did the BIST 100 finish higher?

The benchmark gained 14 points during a shortened session ahead of the Republic Day closure. The previous close was 11,151 points. No company-specific reason for ASELSAN's advance was established in the cited market coverage.

Winners and losers in the BIST 100

Selected BIST 100 movers at the October 28 close were listed by Mynet:

• ASELSAN up 5.2 percent
• Astor Enerji up 2.4 percent
• Sabanci Holding down 3.1 percent
• Akbank down 2.0 percent

What comes next for the BIST 100

The exchange is closed on October 29 for Republic Day and reopens on October 30. Borsa Istanbul's published schedule describes the regular session as beginning at 10:00 a.m. TRT, while market coverage confirms the holiday closure and Friday reopening, Garanti BBVA Yatirim reports.

• October 30, 2026, 10:00 a.m. TRT: Borsa Istanbul reopens after Republic Day, with the regular session beginning at 10:00 a.m. TRT.

BIST 100 price data for October 28, 2026

The BIST 100 closed at 11,165 points on October 28, up 14 points or 0.1 percent from the previous close of 11,151 points, according to Milliyet. It opened at 11,151 points and reached a high of 11,211 points and a low of 11,080 points.

More market reports and analysis on the BIST 100