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Borsa İstanbul implements short-selling rules and index changes
Borsa İstanbul and the Capital Markets Board (SPK) have implemented several measures to stabilize the Turkish equity markets amid a liquidity crisis involving investment funds. To curb volatility and prevent rapid price declines, Borsa İstanbul has activated the 'uptick rule' for short selling in both the BIST 50 and BIST 100 indices.
Regarding the ongoing investment fund liquidation crisis, the SPK has extended the maximum liquidation period for affected funds from three months to six months. Additionally, the regulator has removed the upper limit on total costs for share buybacks.
The market is also undergoing significant structural changes. Borsa İstanbul announced its index revisions for the fourth quarter of 2026, which include the removal of 27 companies from the BIST 100 index and the addition of 27 new companies. Notably, Destek Finans Faktoring has been removed from the BIST 30, BIST 50, and BIST 100 indices.
Amidst these developments, reports indicate significant capital movement, including a single instance where an unidentified investor withdrew 45 billion lira from an eight-person fund in one night, drastically reducing the fund's total assets.
Entities
BIST 100 · Borsa İstanbul · Capital Markets Board · Capital Markets Board of Turkey · Destek Finans Faktoring · Katılımevim Tasarruf Finansman · New York · Pusula Portföy · Recep Tayyip Erdoğan · Sermaye Piyasası Kurulu · Takasbank · Tera Portföy
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 9 SOURCES] The Capital Markets Board (SPK) extended the maximum liquidation period for announced funds from 3 months to 6 months. www.gercekgundem.com · www.haberturk.com · www.cnbce.com · www.guvengazetesi.com.tr · ekonomi.haber7.com · +1 more
- [● 7 SOURCES] The holding index decreased by 2.62 percent. www.gercekgundem.com · www.haberturk.com · www.cnbce.com · www.guvengazetesi.com.tr · www.gzt.com
- [○ 1 SOURCE] The October-dated BIST 30 index contract in the Derivatives Market (VİOP) opened with a 0.15 percent decline at 16,200.00 points.
- [● 4 SOURCES] The BIST 100 index opened with a 0.87 percent decrease, falling 115.88 points to 13,168.54. www.gercekgundem.com · www.haberturk.com · www.guvengazetesi.com.tr
- [● 3 SOURCES] President Recep Tayyip Erdoğan traveled to New York, USA, to attend the 81st UN General Assembly. www.gercekgundem.com · www.haberturk.com
- [● 5 SOURCES] Borsa İstanbul announced index changes for the fourth quarter of 2026, involving 27 companies leaving the BIST 100 index. www.habermeydan.com · www.haberturk.com · www.bursahakimiyet.com.tr
- [○ 1 SOURCE] Takasbank announced default purchases for six companies, including Aselsan and Turkish Airlines, to close default gaps in the equity market.
- [○ 1 SOURCE] Borsa İstanbul implemented the 'uptick rule' for short selling in the BIST 100 index after it dropped by more than 2 percent. haber.doviz.com
- [● 3 SOURCES] 27 new companies were added to the BIST 100 index for the fourth quarter of 2026. www.habermeydan.com · www.bursahakimiyet.com.tr
- [● 5 SOURCES] TR Anadolu Metal Madencilik was added to the BIST 30 index. www.habermeydan.com · www.haberturk.com · www.bursahakimiyet.com.tr
- [● 3 SOURCES] Borsa İstanbul implemented the 'uptick rule' for short selling in the BIST 50 index. www.yorumla.net · www.diken.com.tr · haber.doviz.com
- [● 5 SOURCES] Destek Finans Faktoring was removed from the BIST 30, BIST 50, and BIST 100 indices. www.habermeydan.com · www.haberturk.com · www.gazetepencere.com · www.bursahakimiyet.com.tr