What is the all time high of FON?

Fon SE (FON) closed at its highest ever adjusted price, PLN 715.23, on Jun 11, 2007. Its lowest close was PLN 0.5551 on Dec 23, 2019.

How much has FON returned over the last 10 years?

-74.2% in price terms from the close ten years before Sep 28, 2026, which is -12.7% a year compounded. Over one year the return is -46.9%; over five years -19.8%.

What was the worst drawdown in FON history?

-99.9% from the Jun 11, 2007 peak to the Dec 23, 2019 trough on adjusted closes; the previous peak has not been regained as of the last stored session.

How far back does FON historical data go?

The daily series starts on Nov 17, 2000 and runs to Sep 28, 2026: 6,646 trading sessions across 25.9 years. Minute bars start on Sep 17, 2026 and are captured forward, never backfilled.

Are FON 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 FON 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 Nov 17, 2000 on Quant and above. Minute history comes with the paid plans.

What were the best and worst years for FON?

Among complete calendar years, 2023 was the best at +3,308% and 2024 the worst at -93.4%, measured close to close.

GPW · FON · stock

Fon SE (FON) stock price history

Every GPW trading session of Fon SE from Nov 17, 2000 to Sep 28, 2026: 6,646 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 FON data, free key Year by year table

FON adjusted close, 2000 to 2026

FONFon SE

PLN 1.62-46.9% over one year

PLN 715.23
All time high, 2007: PLN 3.46
52 week high, PLN 1.55 low: 6,646
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.

FON key facts

Fon SE (FON) closed at PLN 1.62 on Sep 28, 2026 on GPW.
FON's all time high close is PLN 715.23, set on Jun 11, 2007; its all time low close is PLN 0.5551 on Dec 23, 2019.
FON's 52 week range is PLN 1.55 to PLN 3.46.
FON returned -46.9% over the year to Sep 28, 2026 and -19.8% over five years.
Over ten years FON returned -74%, -12.7% a year compounded.
FON's deepest drawdown was -99.9% from Jun 11, 2007 to Dec 23, 2019.
DataCedar holds 6,646 daily sessions of FON history from Nov 17, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

FON price chart, 2000 to 2026

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

FON returns

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

Period	Return
1 month	-9.0%
3 months	-9.0%
6 months	0.0%
Year to date	-21.0%
1 year	-46.9%
3 years	-22.1%
5 years	-19.8%
10 years	-74.2%
Since Nov 17, 2000	-97.1%
Compound annual growth, 25.9 years	-12.8%

FON records

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

All time high close: PLN 715.23 on Jun 11, 2007
All time low close: PLN 0.5551 on Dec 23, 2019
52 week high: PLN 3.46 on Sep 29, 2025
52 week low: PLN 1.55 on Mar 23, 2026
Deepest drawdown: -99.9% from Jun 11, 2007 to Dec 23, 2019, not yet recovered
Best single session: +411.9% on Jun 4, 2007
Worst single session: -85.3% on Jan 25, 2024
Volatility, 1 year annualised: 108.0%
Sessions closing higher, 1 year: 33%
Best calendar year: 2023, +3,308%
Worst calendar year: 2024, -93%

FON 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 Nov 17, 2000; 2026 runs to Sep 28, 2026.

Year	Open	High	Low	Close	Return	Volume	Sessions
2026	PLN 2.15	PLN 2.25	PLN 1.55	PLN 1.62	-21.0%	628.5K	187
2025	PLN 2.40	PLN 17.50	PLN 2.00	PLN 2.05	-16.5%	1.7M	249
2024	PLN 37.40	PLN 102.00	PLN 1.88	PLN 2.46	-93.4%	10.7M	249
2023	PLN 0.9882	PLN 37.40	PLN 0.9882	PLN 37.40	+3,308%	1.9M	250
2022	PLN 1.66	PLN 1.96	PLN 1.02	PLN 1.10	-36.1%	1.2M	251
2021	PLN 0.8547	PLN 3.83	PLN 0.8105	PLN 1.72	+111.8%	13.9M	251
2020	PLN 0.5895	PLN 2.30	PLN 0.5649	PLN 0.8105	+37.5%	7.6M	259
2019	PLN 0.8842	PLN 1.08	PLN 0.5526	PLN 0.5895	-33.3%	689.4K	261
2018	PLN 1.87	PLN 2.16	PLN 0.8842	PLN 0.8842	-52.6%	1.1M	261
2017	PLN 5.89	PLN 19.16	PLN 1.77	PLN 1.87	-68.9%	30.3M	255
2016	PLN 5.11	PLN 9.63	PLN 4.91	PLN 5.99	+17.3%	808.3K	251
2015	PLN 9.14	PLN 9.63	PLN 4.81	PLN 5.11	-44.1%	561.3K	261
2014	PLN 14.15	PLN 18.86	PLN 8.45	PLN 9.14	-35.4%	946.6K	261
2013	PLN 15.72	PLN 17.29	PLN 11.00	PLN 14.15	-10.0%	311.9K	261
2012	PLN 28.29	PLN 51.87	PLN 14.15	PLN 15.72	-44.4%	4.5M	261
2011	PLN 92.74	PLN 103.75	PLN 23.58	PLN 28.29	-70.5%	1.7M	260
2010	PLN 84.88	PLN 133.61	PLN 61.31	PLN 95.89	+13.0%	709K	261
2009	PLN 78.60	PLN 157.19	PLN 78.60	PLN 84.88	+8.0%	440.5K	261
2008	PLN 424.42	PLN 613.05	PLN 78.60	PLN 78.60	-81.8%	312.1K	252
2007	PLN 31.12	PLN 770.25	PLN 30.18	PLN 432.28	+1,289%	101.5M	250
2006	PLN 29.24	PLN 46.53	PLN 15.40	PLN 31.12	+7.6%	52.2M	258
2005	PLN 31.12	PLN 38.04	PLN 0.3144	PLN 28.92	-7.1%	74.2M	260
2004	PLN 22.95	PLN 46.84	PLN 22.95	PLN 31.12	+35.6%	117.2K	262
2003	PLN 7.23	PLN 22.95	PLN 5.66	PLN 22.95	+217.4%	6.8K	261
2002	PLN 30.18	PLN 37.73	PLN 7.23	PLN 7.23	-76.0%	10.2K	261
2001	PLN 48.73	PLN 72.31	PLN 14.78	PLN 30.18	-38.1%	151K	261
2000	PLN 56.59	PLN 63.82	PLN 48.73	PLN 48.73	n/a	5.8K	31

FON monthly closes, last 12 months

Month	Month end close	Change
September 2026	PLN 1.62	-6.6%
August 2026	PLN 1.74	+0.9%
July 2026	PLN 1.72	-6.5%
June 2026	PLN 1.84	+11.2%
May 2026	PLN 1.65	-2.6%
April 2026	PLN 1.70	-8.1%
March 2026	PLN 1.85	-3.1%
February 2026	PLN 1.91	-8.6%
January 2026	PLN 2.09	+2.0%
December 2025	PLN 2.05	-17.7%
November 2025	PLN 2.49	-9.5%
October 2025	PLN 2.75	-15.6%

About the FON data

Daily bars. 6,646 sessions from Nov 17, 2000 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 Nov 17, 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/FON/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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