SIX · ADXN · stock
Addex Therapeutics Ltd (ADXN) stock price history
Every SIX trading session of Addex Therapeutics Ltd from May 22, 2007 to Sep 28, 2026: 4,868 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.
ADXN adjusted close, 2007 to 2026
- CHF 70.00
- All time high, 2007
- CHF 0.0690
- 52 week high, CHF 0.0220 low
- 4,868
- Daily sessions since 2007
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
ADXN key facts
- Addex Therapeutics Ltd (ADXN) closed at CHF 0.0250 on Sep 28, 2026 on SIX.
- ADXN's all time high close is CHF 70.00, set on Jul 16, 2007; its all time low close is CHF 0.0222 on Sep 17, 2026.
- ADXN's 52 week range is CHF 0.0220 to CHF 0.0690.
- ADXN returned -61.5% over the year to Sep 28, 2026 and -98.3% over five years.
- Over ten years ADXN returned -99%, -37.2% a year compounded.
- ADXN's deepest drawdown was -100.0% from Jul 19, 2007 to Sep 17, 2026.
- DataCedar holds 4,868 daily sessions of ADXN history from May 22, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ADXN price chart, 2007 to 2026
ADXN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -13.2% |
| 3 months | -42.9% |
| 6 months | -37.5% |
| Year to date | -54.9% |
| 1 year | -61.5% |
| 3 years | -63.1% |
| 5 years | -98.3% |
| 10 years | -99.1% |
| Since May 22, 2007 | -100.0% |
| Compound annual growth, 19.4 years | -33.5% |
ADXN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CHF 70.00 on Jul 16, 2007
- All time low close
- CHF 0.0222 on Sep 17, 2026
- 52 week high
- CHF 0.0690 on Aug 21, 2026
- 52 week low
- CHF 0.0220 on Sep 16, 2026
- Deepest drawdown
- -100.0% from Jul 19, 2007 to Sep 17, 2026, not yet recovered
- Best single session
- +84.2% on Mar 22, 2012
- Worst single session
- -64.7% on Dec 16, 2009
- Volatility, 1 year annualised
- 77.1%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2012, +73%
- Worst calendar year
- 2022, -90%
ADXN 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. 2007 starts on May 22, 2007; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CHF 0.0560 | CHF 0.0690 | CHF 0.0220 | CHF 0.0250 | -54.9% | 73.2M | 186 |
| 2025 | CHF 0.0572 | CHF 0.0850 | CHF 0.0472 | CHF 0.0554 | -3.1% | 70.2M | 249 |
| 2024 | CHF 0.0460 | CHF 0.2600 | CHF 0.0450 | CHF 0.0572 | +24.3% | 163.5M | 250 |
| 2023 | CHF 0.1140 | CHF 0.3540 | CHF 0.0362 | CHF 0.0460 | -54.3% | 81.3M | 251 |
| 2022 | CHF 1.02 | CHF 1.08 | CHF 0.1006 | CHF 0.1006 | -90.3% | 27.3M | 254 |
| 2021 | CHF 2.02 | CHF 2.62 | CHF 0.9700 | CHF 1.04 | -47.7% | 21.2M | 254 |
| 2020 | CHF 1.64 | CHF 2.95 | CHF 0.9500 | CHF 1.99 | +21.3% | 13.7M | 252 |
| 2019 | CHF 2.30 | CHF 2.48 | CHF 1.43 | CHF 1.64 | -27.1% | 5.5M | 249 |
| 2018 | CHF 2.45 | CHF 4.00 | CHF 2.18 | CHF 2.25 | -1.7% | 12.2M | 249 |
| 2017 | CHF 1.84 | CHF 2.53 | CHF 1.82 | CHF 2.29 | +24.5% | 7.4M | 251 |
| 2016 | CHF 3.00 | CHF 3.46 | CHF 1.70 | CHF 1.84 | -35.4% | 5.8M | 254 |
| 2015 | CHF 2.33 | CHF 4.67 | CHF 2.32 | CHF 2.85 | +22.8% | 19.5M | 251 |
| 2014 | CHF 3.74 | CHF 5.24 | CHF 1.28 | CHF 2.32 | -37.6% | 22.9M | 249 |
| 2013 | CHF 9.80 | CHF 10.95 | CHF 2.71 | CHF 3.72 | -61.2% | 6.7M | 249 |
| 2012 | CHF 5.80 | CHF 12.70 | CHF 5.61 | CHF 9.59 | +72.8% | 2M | 250 |
| 2011 | CHF 9.85 | CHF 11.95 | CHF 5.00 | CHF 5.55 | -43.4% | 974.1K | 254 |
| 2010 | CHF 13.25 | CHF 14.85 | CHF 8.75 | CHF 9.81 | -28.9% | 1.9M | 254 |
| 2009 | CHF 38.05 | CHF 41.95 | CHF 10.05 | CHF 13.80 | -63.7% | 2.8M | 253 |
| 2008 | CHF 40.00 | CHF 50.85 | CHF 29.00 | CHF 38.00 | -3.7% | 1.1M | 253 |
| 2007 | CHF 75.00 | CHF 75.00 | CHF 30.65 | CHF 39.45 | n/a | 2.1M | 156 |
ADXN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CHF 0.0250 | -6.7% |
| August 2026 | CHF 0.0268 | -36.2% |
| July 2026 | CHF 0.0420 | +4.0% |
| June 2026 | CHF 0.0404 | -12.2% |
| May 2026 | CHF 0.0460 | -7.3% |
| April 2026 | CHF 0.0496 | +28.5% |
| March 2026 | CHF 0.0386 | -19.6% |
| February 2026 | CHF 0.0480 | -3.6% |
| January 2026 | CHF 0.0498 | -10.1% |
| December 2025 | CHF 0.0554 | -1.1% |
| November 2025 | CHF 0.0560 | -13.3% |
| October 2025 | CHF 0.0646 | -0.6% |
About the ADXN data
Daily bars. 4,868 sessions from May 22, 2007 to Sep 28, 2026, one row per SIX 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 SIX trading days; minute timestamps are UTC. Prices are in CHF. 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 22, 2007, 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/ADXN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SIX
Common questions
ADXN share price history
