Koc Holding stock holds near recent highs as Borsa Istanbul turnover stays strong

Published on 09/18/2026 at 14:36 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Koc Holding stock closed at TRY 218.70 on September 17, 2026 on Borsa Istanbul after trading between TRY 206.00 and TRY 220.60 intraday. The company’s shares changed hands around TRY 217 on September 18, 2026 amid multi-billion-lira turnover and a market value above TRY 500 billion.

Koc Holding, TRAKCHOL91Q8, Illustration mit AI erstellt.

Koc Holding stock (ISIN TRAKCHOL91Q8) closed at TRY 218.70 on Borsa Istanbul on September 17, 2026 after an intraday high of TRY 220.60 and a low of TRY 206.00, illustrating continued volatility at an elevated price level for Turkey’s largest conglomerate.

Turnover remains high around the TRY 217 level

According to Mynet Finans, Koc Holding shares reached an intraday high of TRY 220.60 and a low of TRY 206.00 on September 17, 2026, before settling at a closing price of TRY 218.70, which positioned the stock roughly 6.7 percent above that day’s low.

Per an English market overview from Yeni Safak on September 18, 2026, Koc Holding (ticker KCHOL) was quoted with bid and ask levels around TRY 216.60 and TRY 216.70 and a last trade near TRY 217.46, implying a modest daily decline of about 0.9 percent versus the prior close.

The same Yeni Safak data set shows Koc Holding’s traded value at roughly TRY 2,407,456,350 and its market capitalization at about TRY 521,695,791,023 as of September 18, 2026, underscoring the group’s heavyweight role in the Turkish equity market at a price level slightly below the previous day’s closing peak.

Recent price range and volatility for investors

From the intraday low of TRY 206.00 on September 17, 2026 to the closing price of TRY 218.70, Koc Holding shares gained approximately TRY 12.70 within the session, a move of around 6.2 percent that highlights the share’s sensitivity to flows and sentiment in the current environment, as documented by Mynet Finans.

Compared with the quoted last trade around TRY 217.46 on September 18, 2026 from Yeni Safak, the stock was trading roughly TRY 1.24 below the previous closing price of TRY 218.70, corresponding to a mild pullback of a little under 1 percent that keeps the shares close to their recent highs.

For retail investors, the combination of high daily turnover above TRY 2.4 billion and a market capitalization surpassing TRY 521.7 billion Turkish lira as of September 18, 2026 means Koc Holding remains a core benchmark stock for the Borsa Istanbul, where price swings of several percent within a single trading session can offer both opportunities and risks.

Stock level and investor takeaway

As of September 18, 2026, Koc Holding stock was trading on Borsa Istanbul around TRY 217.46, slightly below the prior day’s closing price of TRY 218.70, with an intraday range between TRY 206.00 and TRY 220.60 on the last completed trading day and a market capitalization of about TRY 521.7 billion Turkish lira, indicating a large, actively traded blue chip that continues to attract significant liquidity.