What is the all time high of COSMO?

Cosmos Yatirim Holding Anonim Sirketi (COSMO) closed at its highest ever adjusted price, TRY 304.25, on Jan 9, 2026. Its lowest close was TRY 0.0974 on Oct 8, 2001.

How much has COSMO returned over the last 10 years?

+8,642% in price terms from the close ten years before Sep 28, 2026, which is +56.4% a year compounded. Over one year the return is -56.8%; over five years +716.2%.

What was the worst drawdown in COSMO history?

-85.1% from the May 17, 2004 peak to the Nov 20, 2008 trough on adjusted closes; the previous peak was regained on Sep 28, 2017.

How far back does COSMO historical data go?

The daily series starts on May 10, 2000 and runs to Sep 28, 2026: 6,784 trading sessions across 26.4 years. Minute bars start on Sep 17, 2026 and are captured forward, never backfilled.

Are COSMO historical prices adjusted for splits and dividends?

Yes. The page uses the fully adjusted series, in which every past price is scaled for later splits and cash dividends so returns are comparable across the whole history. The API also serves raw prices, split adjusted only and dividend adjusted only.

How do I get COSMO historical data?

Register for a free key and call the bars endpoint: it returns date, open, high, low, close and volume as JSON, one year back on the free plan and the full series from May 10, 2000 on Quant and above. Minute history comes with the paid plans.

What were the best and worst years for COSMO?

Among complete calendar years, 2022 was the best at +1,188% and 2008 the worst at -56.4%, measured close to close.

Borsa Istanbul · COSMO · stock

Cosmos Yatirim Holding Anonim Sirketi (COSMO) stock price history

Every Borsa Istanbul trading session of Cosmos Yatirim Holding Anonim Sirketi from May 10, 2000 to Sep 28, 2026: 6,784 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

Get COSMO data, free key Year by year table

COSMO adjusted close, 2000 to 2026

COSMOCosmos Yatirim Holding Anonim Sirketi

TRY 84.80-56.8% over one year

TRY 304.25
All time high, 2026: TRY 312.75
52 week high, TRY 79.80 low: 6,784
Daily sessions since 2000

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.

COSMO key facts

Cosmos Yatirim Holding Anonim Sirketi (COSMO) closed at TRY 84.80 on Sep 28, 2026 on Borsa Istanbul.
COSMO's all time high close is TRY 304.25, set on Jan 9, 2026; its all time low close is TRY 0.0974 on Oct 8, 2001.
COSMO's 52 week range is TRY 79.80 to TRY 312.75.
COSMO returned -56.8% over the year to Sep 28, 2026 and +716.2% over five years.
Over ten years COSMO returned +8,642%, +56.4% a year compounded.
COSMO's deepest drawdown was -85.1% from May 17, 2004 to Nov 20, 2008.
DataCedar holds 6,784 daily sessions of COSMO history from May 10, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

COSMO price chart, 2000 to 2026

Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

COSMO returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

Period	Return
1 month	-35.3%
3 months	-39.3%
6 months	-56.4%
Year to date	-70.4%
1 year	-56.8%
3 years	-37.1%
5 years	+716.2%
10 years	+8,642%
Since May 10, 2000	+26,525%
Compound annual growth, 26.4 years	+23.6%

COSMO records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close: TRY 304.25 on Jan 9, 2026
All time low close: TRY 0.0974 on Oct 8, 2001
52 week high: TRY 312.75 on Jan 9, 2026
52 week low: TRY 79.80 on Sep 28, 2026
Deepest drawdown: -85.1% from May 17, 2004 to Nov 20, 2008, recovered Sep 28, 2017
Best single session: +28.4% on Jun 27, 2011
Worst single session: -22.2% on Sep 25, 2001
Volatility, 1 year annualised: 66.4%
Sessions closing higher, 1 year: 38%
Growth of 1 since 2000: 266×
Best calendar year: 2022, +1,188%
Worst calendar year: 2008, -56%

COSMO price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2000 starts on May 10, 2000; 2026 runs to Sep 28, 2026.

Year	Open	High	Low	Close	Return	Volume	Sessions
2026	TRY 277.25	TRY 312.75	TRY 79.80	TRY 84.80	-70.5%	13.4M	187
2025	TRY 122.00	TRY 297.25	TRY 100.00	TRY 287.75	+135.9%	17.2M	251
2024	TRY 109.00	TRY 165.00	TRY 95.10	TRY 122.00	+11.9%	52.2M	249
2023	TRY 119.00	TRY 198.00	TRY 55.95	TRY 109.00	-9.0%	41.7M	249
2022	TRY 9.31	TRY 121.50	TRY 7.00	TRY 119.80	+1,188%	10.3M	252
2021	TRY 8.86	TRY 17.00	TRY 8.25	TRY 9.30	+15.8%	9.2M	249
2020	TRY 2.10	TRY 14.28	TRY 1.63	TRY 8.03	+303.5%	16.4M	252
2019	TRY 0.9700	TRY 2.54	TRY 0.8600	TRY 1.99	+105.2%	2M	260
2018	TRY 1.17	TRY 1.57	TRY 0.8300	TRY 0.9700	-17.1%	1.8M	261
2017	TRY 0.9900	TRY 1.62	TRY 0.7600	TRY 1.17	+18.2%	1.7M	260
2016	TRY 1.16	TRY 1.36	TRY 0.8400	TRY 0.9900	-14.7%	739K	261
2015	TRY 1.13	TRY 1.35	TRY 0.9000	TRY 1.16	+2.7%	869.3K	261
2014	TRY 0.8500	TRY 1.31	TRY 0.7700	TRY 1.13	+32.9%	4.8M	261
2013	TRY 0.8900	TRY 0.9500	TRY 0.7400	TRY 0.8500	-4.5%	15.4M	261
2012	TRY 0.7500	TRY 1.25	TRY 0.7500	TRY 0.8900	+18.7%	65.7M	261
2011	TRY 1.15	TRY 1.38	TRY 0.7300	TRY 0.7500	-34.8%	152.4M	260
2010	TRY 0.5024	TRY 1.27	TRY 0.5024	TRY 1.15	+129.0%	105.3M	261
2009	TRY 0.2412	TRY 0.5560	TRY 0.2211	TRY 0.5024	+108.3%	27.6M	253
2008	TRY 0.5537	TRY 0.5595	TRY 0.2010	TRY 0.2412	-56.4%	16.5M	251
2007	TRY 0.7040	TRY 0.8825	TRY 0.4037	TRY 0.5537	-20.1%	61.9M	251
2006	TRY 0.8507	TRY 0.9045	TRY 0.3778	TRY 0.6926	-20.1%	28M	260
2005	TRY 0.6838	TRY 0.8776	TRY 0.4738	TRY 0.8668	+25.8%	26.6M	260
2004	TRY 0.3934	TRY 1.50	TRY 0.3541	TRY 0.6891	+76.0%	30.7M	262
2003	TRY 0.2248	TRY 0.4684	TRY 0.1799	TRY 0.3916	+74.2%	2.5M	261
2002	TRY 0.2773	TRY 0.2998	TRY 0.1443	TRY 0.2248	-18.9%	1.4M	261
2001	TRY 0.1330	TRY 0.2867	TRY 0.0937	TRY 0.2773	+108.5%	913K	261
2000	TRY 0.3279	TRY 0.3335	TRY 0.1087	TRY 0.1330	n/a	1M	168

COSMO monthly closes, last 12 months

Month	Month end close	Change
September 2026	TRY 84.80	-31.8%
August 2026	TRY 124.30	+3.8%
July 2026	TRY 119.80	-12.4%
June 2026	TRY 136.70	-25.3%
May 2026	TRY 183.00	-8.9%
April 2026	TRY 200.90	-14.5%
March 2026	TRY 235.10	+8.8%
February 2026	TRY 216.00	-8.5%
January 2026	TRY 236.00	-18.0%
December 2025	TRY 287.75	+80.2%
November 2025	TRY 159.70	+2.4%
October 2025	TRY 156.00	-17.9%

About the COSMO data

Daily bars. 6,784 sessions from May 10, 2000 to Sep 28, 2026, one row per Borsa Istanbul trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Borsa Istanbul trading days; minute timestamps are UTC. Prices are in TRY. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to May 10, 2000, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/COSMO/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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