GPW · CBF · stock
cyber_Folks S.A. (CBF) stock price history
Every GPW trading session of cyber_Folks S.A. from Dec 29, 2017 to Sep 28, 2026: 2,218 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.
CBF adjusted close, 2017 to 2026
- PLN 213.40
- All time high, 2026
- PLN 219.11
- 52 week high, PLN 158.90 low
- 2,218
- Daily sessions since 2017
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
CBF key facts
- cyber_Folks S.A. (CBF) closed at PLN 200.80 on Sep 28, 2026 on GPW.
- CBF's all time high close is PLN 213.40, set on Sep 22, 2026; its all time low close is PLN 13.05 on Jan 14, 2019.
- CBF's 52 week range is PLN 158.90 to PLN 219.11.
- CBF returned +9.4% over the year to Sep 28, 2026 and +305.5% over five years.
- Since Dec 29, 2017 CBF returned +1,095%, +32.8% a year compounded.
- CBF's deepest drawdown was -42.8% from Apr 27, 2021 to Oct 24, 2022.
- DataCedar holds 2,218 daily sessions of CBF history from Dec 29, 2017 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
CBF price chart, 2017 to 2026
CBF returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +1.2% |
| 3 months | +7.2% |
| 6 months | +20.8% |
| Year to date | -1.2% |
| 1 year | +9.4% |
| 3 years | +167.1% |
| 5 years | +305.5% |
| 10 years | n/a |
| Since Dec 29, 2017 | +1,095% |
| Compound annual growth, 8.7 years | +32.8% |
CBF records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 213.40 on Sep 22, 2026
- All time low close
- PLN 13.05 on Jan 14, 2019
- 52 week high
- PLN 219.11 on Jan 9, 2026
- 52 week low
- PLN 158.90 on Mar 30, 2026
- Deepest drawdown
- -42.8% from Apr 27, 2021 to Oct 24, 2022, recovered May 9, 2023
- Best single session
- +14.4% on Dec 11, 2025
- Worst single session
- -11.0% on Nov 19, 2018
- Volatility, 1 year annualised
- 34.0%
- Sessions closing higher, 1 year
- 45%
- Growth of 1 since 2017
- 12.0×
- Best calendar year
- 2023, +89%
- Worst calendar year
- 2018, -20%
CBF 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. 2017 starts on Dec 29, 2017; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 214.67 | PLN 219.11 | PLN 158.90 | PLN 200.80 | -1.2% | 4.4M | 187 |
| 2025 | PLN 146.27 | PLN 206.28 | PLN 126.77 | PLN 203.32 | +38.5% | 2.6M | 249 |
| 2024 | PLN 85.77 | PLN 149.20 | PLN 81.91 | PLN 146.76 | +74.2% | 2.7M | 249 |
| 2023 | PLN 45.56 | PLN 94.83 | PLN 42.42 | PLN 84.23 | +88.6% | 1.7M | 250 |
| 2022 | PLN 48.68 | PLN 49.99 | PLN 31.15 | PLN 44.66 | -6.5% | 1.3M | 251 |
| 2021 | PLN 32.70 | PLN 57.90 | PLN 32.42 | PLN 47.74 | +48.5% | 3.4M | 251 |
| 2020 | PLN 21.12 | PLN 32.60 | PLN 16.94 | PLN 32.14 | +52.2% | 4.6M | 259 |
| 2019 | PLN 13.48 | PLN 22.40 | PLN 12.86 | PLN 21.12 | +56.7% | 1.8M | 261 |
| 2018 | PLN 16.80 | PLN 20.26 | PLN 12.96 | PLN 13.48 | -19.8% | 1.8M | 260 |
| 2017 | PLN 20.53 | PLN 20.53 | PLN 16.65 | PLN 16.80 | n/a | 27.9K | 1 |
CBF monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 200.80 | +3.5% |
| August 2026 | PLN 194.00 | +0.9% |
| July 2026 | PLN 192.20 | +3.9% |
| June 2026 | PLN 185.00 | -5.9% |
| May 2026 | PLN 196.61 | +10.1% |
| April 2026 | PLN 178.64 | +5.1% |
| March 2026 | PLN 169.96 | -4.2% |
| February 2026 | PLN 177.46 | -12.7% |
| January 2026 | PLN 203.32 | 0.0% |
| December 2025 | PLN 203.32 | +11.7% |
| November 2025 | PLN 182.00 | -0.3% |
| October 2025 | PLN 182.59 | -2.7% |
About the CBF data
Daily bars. 2,218 sessions from Dec 29, 2017 to Sep 28, 2026, one row per GPW 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 GPW trading days; minute timestamps are UTC. Prices are in PLN. 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 Dec 29, 2017, 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/CBF/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
CBF share price history
