Borsa Istanbul Announces 2026 Fourth Quarter Index Changes

Borsa Istanbul has announced the index changes that will be effective for the period from October 1 to December 31, 2026. In the new period, a significant change will be made to the BIST 30 index. Accordingly, TRMET will be included in the BIST 30 index, while DSTKF will be removed from the index. Thus, the composition of the BIST 30 index, which investors follow, will be updated. Additionally, in the BIST 50 and BIST 100 indices, the group of many stocks will change. These changes will affect the scope and weights of the relevant indices. Not investment advice.

📊 XU100 — Piyasa Yorumu

■ neutral · 55%

Quarterly index changes on Borsa Istanbul typically lead to rebalancing by index funds but do not create a clear directional pressure on the XU100 level. In the technical view, the price is slightly above the SMA20, below the SMA50, and the RSI is flat around 50; although the MACD is in negative territory, it is trending upward above the signal line. The impact of the news is likely to remain stock-specific, not decisive for the overall direction of the index. Therefore, I expect a neutral course in the short term; the 13300-13500 band should be monitored.

RSI 14

50.6

MACD

-67.91

24h Δ

0.40%

📊 XU030 — Piyasa Yorumu

■ neutral · 55%

The announcement of Borsa Istanbul's 2026 fourth-quarter index changes does not contain a direct directional signal for the XU030; the impact depends on the details of the changes. Technical indicators are mixed: the price is above the 20-day moving average and there is a daily increase of 2.37%, but the MACD is in negative territory and below the signal line. The RSI at 56 is considered neutral. In the short term, the impact of the news may be limited; changes in index weights could create stock-specific movements. Therefore, a cautious and neutral stance is appropriate for the 1-3 day direction.

RSI 14

56.5

MACD

-5.48

24h Δ

2.37%

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