SIX · WIHN · stock
WISeKey International Holding AG (WIHN) stock price history
Every SIX trading session of WISeKey International Holding AG from Mar 31, 2016 to Sep 28, 2026: 2,638 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.
WIHN adjusted close, 2016 to 2026
- CHF 207.07
- All time high, 2016
- CHF 31.50
- 52 week high, CHF 9.08 low
- 2,638
- Daily sessions since 2016
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2016 to 2026 series and minute bars.
WIHN key facts
- WISeKey International Holding AG (WIHN) closed at CHF 10.24 on Sep 28, 2026 on SIX.
- WIHN's all time high close is CHF 207.07, set on Jul 25, 2016; its all time low close is CHF 2.80 on Oct 12, 2023.
- WIHN's 52 week range is CHF 9.08 to CHF 31.50.
- WIHN returned +4.5% over the year to Sep 28, 2026 and -70.7% over five years.
- Over ten years WIHN returned -94%, -24.2% a year compounded.
- WIHN's deepest drawdown was -98.6% from Jul 25, 2016 to Oct 12, 2023.
- DataCedar holds 2,638 daily sessions of WIHN history from Mar 31, 2016 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
WIHN price chart, 2016 to 2026
WIHN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -3.2% |
| 3 months | -11.7% |
| 6 months | +6.0% |
| Year to date | -22.0% |
| 1 year | +4.5% |
| 3 years | +190.1% |
| 5 years | -70.7% |
| 10 years | -93.8% |
| Since Mar 31, 2016 | -93.8% |
| Compound annual growth, 10.5 years | -23.2% |
WIHN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CHF 207.07 on Jul 25, 2016
- All time low close
- CHF 2.80 on Oct 12, 2023
- 52 week high
- CHF 31.50 on Oct 31, 2025
- 52 week low
- CHF 9.08 on Mar 30, 2026
- Deepest drawdown
- -98.6% from Jul 25, 2016 to Oct 12, 2023, not yet recovered
- Best single session
- +107.7% on Dec 16, 2024
- Worst single session
- -28.2% on Dec 19, 2024
- Volatility, 1 year annualised
- 93.7%
- Sessions closing higher, 1 year
- 47%
- Best calendar year
- 2024, +540%
- Worst calendar year
- 2022, -78%
WIHN 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. 2016 starts on Mar 31, 2016; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CHF 13.50 | CHF 16.50 | CHF 9.08 | CHF 10.24 | -22.0% | 2.4M | 186 |
| 2025 | CHF 18.90 | CHF 31.50 | CHF 5.01 | CHF 13.12 | -31.7% | 4.9M | 249 |
| 2024 | CHF 3.05 | CHF 23.00 | CHF 2.85 | CHF 19.20 | +540.0% | 4.3M | 250 |
| 2023 | CHF 4.73 | CHF 12.75 | CHF 2.80 | CHF 3.00 | -35.9% | 2.9M | 251 |
| 2022 | CHF 21.27 | CHF 23.78 | CHF 3.53 | CHF 4.68 | -77.9% | 3.7M | 254 |
| 2021 | CHF 34.28 | CHF 97.10 | CHF 19.98 | CHF 21.15 | -38.3% | 4.8M | 254 |
| 2020 | CHF 60.86 | CHF 62.96 | CHF 18.19 | CHF 34.28 | -43.3% | 1.5M | 252 |
| 2019 | CHF 80.03 | CHF 98.92 | CHF 47.01 | CHF 60.44 | -22.3% | 348.2K | 249 |
| 2018 | CHF 168.73 | CHF 183.84 | CHF 71.49 | CHF 77.79 | -54.4% | 547.6K | 249 |
| 2017 | CHF 125.64 | CHF 206.51 | CHF 75.55 | CHF 170.41 | +35.9% | 999.4K | 251 |
| 2016 | CHF 335.78 | CHF 335.78 | CHF 92.90 | CHF 125.36 | n/a | 236.5K | 193 |
WIHN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CHF 10.24 | -2.5% |
| August 2026 | CHF 10.50 | +1.4% |
| July 2026 | CHF 10.36 | -11.9% |
| June 2026 | CHF 11.76 | -17.9% |
| May 2026 | CHF 14.32 | +35.3% |
| April 2026 | CHF 10.58 | +9.6% |
| March 2026 | CHF 9.65 | -17.2% |
| February 2026 | CHF 11.66 | -2.8% |
| January 2026 | CHF 12.00 | -8.5% |
| December 2025 | CHF 13.12 | -17.4% |
| November 2025 | CHF 15.88 | -40.1% |
| October 2025 | CHF 26.50 | +173.2% |
About the WIHN data
Daily bars. 2,638 sessions from Mar 31, 2016 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 Mar 31, 2016, 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/WIHN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SIX
Common questions
WIHN share price history
