Stock Markets March 17, 2026

Istanbul Shares Rise as Tech, Insurance and Leasing Stocks Lead Gains

BIST 100 closes 2.01% higher with breadth tilted strongly toward advancers

By Priya Menon
Istanbul Shares Rise as Tech, Insurance and Leasing Stocks Lead Gains

The BIST 100 index ended Tuesday's session up 2.01% as Technology, Insurance and Leasing & Factoring sectors pushed the market higher. Winners outpaced losers by a wide margin while select large moves in individual stocks and mixed commodity and currency moves marked the trading day.
Key sector drivers included steep advances among mid-cap and small-cap names, while headline commodities and foreign-exchange rates showed only modest movement.

Key Points

  • The BIST 100 closed up 2.01% as Technology, Insurance and Leasing & Factoring sectors led gains.
  • Advancers outnumbered decliners by 478 to 126, with 14 stocks unchanged, indicating broad participation.
  • Major single-stock moves included BTCIM rising to a 52-week high; several other mid-cap names posted double-digit percentage moves.

Turkey's main stock gauge, the BIST 100, closed higher on Tuesday, finishing the session up 2.01% in Istanbul as gains were led by the Technology, Insurance and Leasing & Factoring sectors.

The session's top performers on the BIST 100 included:

  • Baticim Bati Anadolu Cimento Sanayi AS (IS:BTCIM) - up 10.00% or 0.63 points, closing at 6.93. The stock rose to a 52-week high during the session.
  • Reeder Teknoloji Sanayi Ve Ticaret AS (IS:REEDR) - rose 9.97% or 0.67 points to finish at 7.39.
  • Dap Gayrimenkul Gelistirme AS (IS:DAPGM) - gained 9.10% or 1.25 points to end the day at 14.99.

On the downside, the heaviest declines were recorded by the following names:

  • Efor Yatirim Sanayi ve Ticaret A.Ş. (IS:EFOR) - down 9.96% or 1.54 points to trade at 13.92 at the close.
  • Kiler Holding AS (IS:KLRHO) - declined 9.95% or 15.90 points to finish at 143.90.
  • Ral Yatirim Holding AS (IS:RALYH) - slipped 4.04% or 5.70 points to 135.30.

Market breadth was decisively positive, with 478 stocks advancing, 126 declining and 14 ending unchanged on the Istanbul Stock Exchange. The distribution of winners versus losers underscores a broad-based session in which more names participated on the upside.

Among individual stock milestones, Baticim Bati Anadolu Cimento Sanayi AS (IS:BTCIM) not only led the session in percentage terms but also moved to a 52-week high, registering a 10.00% gain, or 0.63, to close at 6.93.

Commodities posted mixed results. Gold Futures for April delivery edged lower by 0.06% or 2.86 to $4,999.34 a troy ounce. In energy markets, crude oil for May delivery climbed 1.88% or 1.74 to $94.20 a barrel, while the May Brent contract rose 1.78% or 1.78 to trade at $101.99 a barrel.

Foreign-exchange moves were modest. The USD/TRY pair was up 0.13% at 44.21, and EUR/TRY rose 0.27% to 51.00. The US Dollar Index Futures fell 0.06% to 99.40.

Overall, Tuesday's trade in Istanbul was characterized by strong participation among advancing issues and notable single-stock moves in both directions, with commodities and currency rates showing limited directional change by comparison.

Risks

  • Individual stocks experienced large intraday swings - both substantial gains and steep declines - which raises volatility risk for portfolios concentrated in those names, impacting the Technology, Insurance and Leasing & Factoring sectors.
  • Commodities such as crude oil moved higher while gold slipped slightly, creating potential input-cost and market-sentiment uncertainties for commodity-sensitive sectors.
  • Foreign-exchange shifts - USD/TRY and EUR/TRY moved modestly higher - which could affect companies with significant foreign-currency exposures or import-dependent supply chains.

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