BIST 100 falls 0.8 percent as CBRT decision looms
Published on 10/21/2026 at 13:40 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSCBRT decision keeps pressure on stocks
- BIST 100 stood at 11,702 points at 1:00 p.m. TRT, down 95 points or 0.8 percent.
- Turkey's real-sector confidence fell 1.4 points to 101.1 in October.
- Financial leasing and factoring fell 3.7 percent, while technology gained 1.8 percent.
- The CBRT announces its rate decision on October 22 at 2:00 p.m. TRT.
BIST 100 fell 95 points, or 0.8 percent, to 11,702 points at 1:00 p.m. TRT on October 21, 2026. The Central Bank of the Republic of Turkiye's rate decision is due Thursday at 2:00 p.m. TRT, with the policy rate at 37 percent, CNBC reports.
The decline followed Tuesday's 3.2 percent rebound. ASELSAN, Tupras, Akbank, Astor and Turkish Airlines were the most traded shares during the first half, Haberler reports.
Why is the BIST 100 down at midday?
Domestic indicators delivered a mixed signal. Seasonally adjusted manufacturing capacity utilization rose 0.2 percentage points to 74.3 percent, while real-sector confidence fell 1.4 points to 101.1, Hurriyet Daily News reports. The market is also positioning around Thursday's policy decision.
BIST 100 sectors split sharply
Technology was the strongest sector, up 1.8 percent. Services fell 1.2 percent, industry declined 2.1 percent and financials lost 1.5 percent. Financial leasing and factoring fell 3.7 percent, while 90 constituents declined, nine rose and one was unchanged, Canligaste reports.
BIST 100 course from the open
The index opened at 11,733 points, down 64 points or 0.5 percent from the previous close of 11,798 points. It reached an intraday high of 11,781 points and a low of 11,678 points before the 1:00 p.m. TRT reading, Diken reports.
What comes next for BIST 100
- October 22, 2026, 2:00 p.m. TRT: The CBRT announces its policy-rate decision after holding the rate at 37 percent in September, Investing.com reports.
BIST 100 price data for October 21, 2026
BIST 100 stood at 11,702 points at 1:00 p.m. TRT on October 21, 2026, down 95 points or 0.8 percent from the previous close, Haberler reports. The index opened at 11,733 points, with a high of 11,781 points and a low of 11,678 points.
BIST 100 by the numbers on October 21, 2026
- Index: BIST 100
- Home exchange: Borsa Istanbul, Turkey
- Level at 1:00 p.m. TRT on October 21, 2026: 11,702 points
- Change versus previous close of October 20, 2026: down 95 points (down 0.8 percent)
- Previous close: 11,798 points
- Open: 11,733 points
- Day high / day low: 11,781 points / 11,678 points
- Next scheduled event: October 22, 2026, 2:00 p.m. TRT: CBRT policy-rate decision
