Borsa Istanbul · BIOEN · stock
Biotrend Cevre ve Enerji Yatirimlari A.S. (BIOEN) stock price history
Every Borsa Istanbul trading session of Biotrend Cevre ve Enerji Yatirimlari A.S. from Apr 28, 2021 to Sep 28, 2026: 1,357 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.
BIOEN adjusted close, 2021 to 2026
- TRY 27.12
- All time high, 2025
- TRY 27.96
- 52 week high, TRY 9.18 low
- 1,357
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
BIOEN key facts
- Biotrend Cevre ve Enerji Yatirimlari A.S. (BIOEN) closed at TRY 10.95 on Sep 28, 2026 on Borsa Istanbul.
- BIOEN's all time high close is TRY 27.12, set on Sep 30, 2025; its all time low close is TRY 4.74 on Mar 8, 2022.
- BIOEN's 52 week range is TRY 9.18 to TRY 27.96.
- BIOEN returned -58.3% over the year to Sep 28, 2026 and -3.9% over five years.
- Since Apr 28, 2021 BIOEN returned +110%, +14.7% a year compounded.
- BIOEN's deepest drawdown was -63.1% from Sep 30, 2025 to Sep 24, 2026.
- DataCedar holds 1,357 daily sessions of BIOEN history from Apr 28, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BIOEN price chart, 2021 to 2026
BIOEN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -46.5% |
| 3 months | -40.9% |
| 6 months | -31.1% |
| Year to date | -33.6% |
| 1 year | -58.3% |
| 3 years | -51.9% |
| 5 years | -3.9% |
| 10 years | n/a |
| Since Apr 28, 2021 | +110.4% |
| Compound annual growth, 5.4 years | +14.7% |
BIOEN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- TRY 27.12 on Sep 30, 2025
- All time low close
- TRY 4.74 on Mar 8, 2022
- 52 week high
- TRY 27.96 on Oct 1, 2025
- 52 week low
- TRY 9.18 on Sep 28, 2026
- Deepest drawdown
- -63.1% from Sep 30, 2025 to Sep 24, 2026, not yet recovered
- Best single session
- +10.0% on Sep 14, 2021
- Worst single session
- -10.0% on Oct 25, 2023
- Volatility, 1 year annualised
- 53.3%
- Sessions closing higher, 1 year
- 39%
- Growth of 1 since 2021
- 2.1×
- Best calendar year
- 2022, +245%
- Worst calendar year
- 2023, -9%
BIOEN 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. 2021 starts on Apr 28, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | TRY 16.70 | TRY 22.48 | TRY 9.18 | TRY 10.95 | -34.4% | 1.6B | 187 |
| 2025 | TRY 17.10 | TRY 27.96 | TRY 13.87 | TRY 16.70 | -2.0% | 965.2M | 251 |
| 2024 | TRY 17.25 | TRY 23.88 | TRY 14.44 | TRY 17.04 | -0.9% | 1.4B | 250 |
| 2023 | TRY 18.98 | TRY 26.02 | TRY 12.29 | TRY 17.20 | -9.2% | 2B | 249 |
| 2022 | TRY 5.58 | TRY 21.34 | TRY 4.68 | TRY 18.95 | +244.5% | 1.9B | 252 |
| 2021 | TRY 5.34 | TRY 12.54 | TRY 4.87 | TRY 5.50 | n/a | 3.1B | 168 |
BIOEN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | TRY 10.95 | -42.7% |
| August 2026 | TRY 19.10 | +11.0% |
| July 2026 | TRY 17.21 | -9.9% |
| June 2026 | TRY 19.11 | +12.1% |
| May 2026 | TRY 17.05 | -15.2% |
| April 2026 | TRY 20.10 | +21.2% |
| March 2026 | TRY 16.59 | +1.8% |
| February 2026 | TRY 16.30 | -14.5% |
| January 2026 | TRY 19.07 | +14.2% |
| December 2025 | TRY 16.70 | -16.3% |
| November 2025 | TRY 19.95 | -14.7% |
| October 2025 | TRY 23.40 | -13.7% |
About the BIOEN data
Daily bars. 1,357 sessions from Apr 28, 2021 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 Apr 28, 2021, 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/BIOEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
BIOEN share price history
