Stock Markets March 19, 2026

Istanbul bourse slips as banking, tech and metals stocks weigh; BIST 100 down 0.51%

Losses in select financial, technology and basic metals names drag the benchmark lower amid mixed commodity and FX moves

By Derek Hwang
Istanbul bourse slips as banking, tech and metals stocks weigh; BIST 100 down 0.51%

Turkey's benchmark BIST 100 closed lower on Thursday, slipping 0.51% as declines in the Banking, Technology and Basic Metals sectors outweighed gains among several mid- and small-cap names. Market breadth was narrowly positive, while commodities and currency pairs showed varied performance across the session.

Key Points

  • BIST 100 declined 0.51% at Thursday's close, pressured by losses in Banking, Technology and Basic Metals sectors.
  • Top gainers included REEDR (+9.98% to 8.93), DOAS (+5.36% to 206.50) and MIATK (+5.24% to 39.80); top decliners included EFOR (-9.98% to 11.28), KLRHO (-8.02% to 119.20) and TRALT (-5.22% to 46.52).
  • Commodities and FX moved unevenly: April gold futures dropped to $4,604.11/oz, May crude rose to $96.02/bbl, Brent rose to $112.05/bbl, USD/TRY reached 44.32 and EUR/TRY hit 51.01.

Turkey's equity benchmark ended the trading day lower on Thursday, with the BIST 100 retreating 0.51% at the close in Istanbul as losses in the Banking, Technology and Basic Metals sectors dented the index.

Among individual performers, Reeder Teknoloji Sanayi Ve Ticaret AS (IS:REEDR) led gains on the BIST 100, rising 9.98% or 0.81 points to finish at 8.93. Dogus Otomotiv Servis ve Ticaret AS (IS:DOAS) added 5.36% or 10.50 points to close at 206.50, while Mia Teknoloji AS (IS:MIATK) advanced 5.24% or 1.98 points to end the session at 39.80.

On the downside, Efor Yatırım Sanayi ve Ticaret A.Ş. (IS:EFOR) was the session's weakest name on the BIST 100, falling 9.98% or 1.25 points to trade at 11.28 at the close. Kiler Holding AS (IS:KLRHO) declined 8.02% or 10.40 points to finish at 119.20, and Turk Altin Isletmeleri AS (IS:TRALT) slipped 5.22% or 2.56 points to 46.52.

Market breadth was narrowly positive on the Istanbul Stock Exchange: 296 stocks advanced, 280 declined and 41 ended unchanged.

Notably, shares of Efor Yatırım Sanayi ve Ticaret A.Ş. (IS:EFOR) dropped to 52-week lows during the session, with the stock moving down 9.98% or 1.25 to close at 11.28.


In commodity markets, Gold Futures for April delivery fell 5.97% or 292.09 to $4,604.11 a troy ounce. Crude oil for May delivery rose 0.59% or 0.56 to $96.02 a barrel, while the May Brent contract climbed 4.35% or 4.67 to trade at $112.05 a barrel.

Foreign exchange rates showed modest moves against the lira: USD/TRY increased 0.27% to 44.32, and EUR/TRY rose 0.42% to 51.01. The US Dollar Index Futures was down 0.32% at 99.56.


Investors should note the mix of sectoral pressure and isolated stock gains within the session. While select technology and automotive-related names recorded strong advances, broader weakness in banking, technology and basic metals limited gains for the headline index.

For traders and portfolio managers evaluating opportunities, the session underscores the importance of monitoring both individual stock moves and cross-market signals from commodities and currency pairs that can influence sector performance.

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Risks

  • Sector concentration risk as declines in Banking, Technology and Basic Metals constrained the index - this affects financial and industrial market exposure.
  • Individual stock volatility, highlighted by Efor Yatırım Sanayi ve Ticaret A.Ş. falling to 52-week lows, indicating heightened idiosyncratic risk in small- and mid-cap names.
  • Commodity and FX swings can transmit to equity performance, particularly for resource-linked and import-dependent sectors given moves in gold, oil and the lira.

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