SIX · AI1 · stock
L'Air Liquide S.A. (AI1) stock price history
Every SIX trading session of L'Air Liquide S.A. from Dec 19, 2007 to Sep 25, 2026: 2,988 daily bars, adjusted for splits and dividends, with minute bars from Sep 22, 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.
AI1 adjusted close, 2007 to 2026
- CHF 172.46
- All time high, 2026
- CHF 172.46
- 52 week high, CHF 115.52 low
- 2,988
- Daily sessions since 2007
Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
AI1 key facts
- L'Air Liquide S.A. (AI1) closed at CHF 157.24 on Sep 25, 2026 on SIX.
- AI1's all time high close is CHF 172.46, set on May 18, 2026; its all time low close is CHF 45.82 on Nov 19, 2008.
- AI1's 52 week range is CHF 115.52 to CHF 172.46.
- AI1 returned +23.7% over the year to Sep 25, 2026 and +23.7% over five years.
- Over ten years AI1 returned +59%, +4.7% a year compounded.
- AI1's deepest drawdown was -35.8% from Jan 17, 2008 to Nov 19, 2008.
- DataCedar holds 2,988 daily sessions of AI1 history from Dec 19, 2007 and minute bars from Sep 22, 2026, adjusted for splits and dividends, served by the API under a key.
AI1 price chart, 2007 to 2026
AI1 returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.7% |
| 3 months | -0.3% |
| 6 months | +23.7% |
| Year to date | +23.7% |
| 1 year | +23.7% |
| 3 years | +23.7% |
| 5 years | +23.7% |
| 10 years | +58.8% |
| Since Dec 19, 2007 | +120.4% |
| Compound annual growth, 18.8 years | +4.3% |
AI1 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CHF 172.46 on May 18, 2026
- All time low close
- CHF 45.82 on Nov 19, 2008
- 52 week high
- CHF 172.46 on May 18, 2026
- 52 week low
- CHF 115.52 on Apr 13, 2026
- Deepest drawdown
- -35.8% from Jan 17, 2008 to Nov 19, 2008, recovered Jan 15, 2015
- Best single session
- +92.4% on Jan 15, 2015
- Worst single session
- -19.4% on Oct 9, 2008
- Volatility, 1 year annualised
- 43.5%
- Sessions closing higher, 1 year
- 5%
- Growth of 1 since 2007
- 2.2×
- Best calendar year
- 2015, +93%
- Worst calendar year
- 2008, -36%
AI1 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 Dec 19, 2007; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CHF 115.52 | CHF 172.46 | CHF 115.52 | CHF 157.24 | +23.7% | 194 | 117 |
| 2019 | CHF 115.19 | CHF 128.68 | CHF 113.70 | CHF 127.07 | +11.7% | 45 | 97 |
| 2018 | CHF 118.00 | CHF 126.42 | CHF 111.84 | CHF 113.74 | -3.6% | 575 | 249 |
| 2017 | CHF 105.54 | CHF 119.33 | CHF 101.82 | CHF 118.00 | +11.8% | 65.3K | 251 |
| 2016 | CHF 107.34 | CHF 107.34 | CHF 92.38 | CHF 105.54 | -1.7% | 134K | 254 |
| 2015 | CHF 55.65 | CHF 115.54 | CHF 55.65 | CHF 107.34 | +92.9% | 64.7K | 251 |
| 2014 | CHF 53.77 | CHF 55.65 | CHF 53.77 | CHF 55.65 | +3.5% | 0 | 249 |
| 2013 | CHF 51.98 | CHF 53.77 | CHF 51.98 | CHF 53.77 | +3.4% | 0 | 249 |
| 2012 | CHF 50.25 | CHF 51.98 | CHF 50.25 | CHF 51.98 | +3.4% | 0 | 250 |
| 2011 | CHF 48.68 | CHF 50.25 | CHF 48.68 | CHF 50.25 | +3.2% | 0 | 254 |
| 2010 | CHF 47.23 | CHF 48.68 | CHF 47.23 | CHF 48.68 | +3.1% | 0 | 254 |
| 2009 | CHF 45.82 | CHF 47.23 | CHF 45.82 | CHF 47.23 | +3.1% | 0 | 253 |
| 2008 | CHF 71.35 | CHF 71.35 | CHF 45.82 | CHF 45.82 | -35.8% | 25.6K | 253 |
| 2007 | CHF 71.35 | CHF 71.35 | CHF 71.35 | CHF 71.35 | n/a | 150 | 7 |
AI1 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CHF 157.24 | -1.7% |
| August 2026 | CHF 160.00 | +1.5% |
| July 2026 | CHF 157.66 | 0.0% |
| June 2026 | CHF 157.66 | -8.6% |
| May 2026 | CHF 172.46 | +2.0% |
| April 2026 | CHF 169.10 | +33.1% |
| June 2019 | CHF 127.07 | 0.0% |
| May 2019 | CHF 127.07 | +4.8% |
| April 2019 | CHF 121.21 | 0.0% |
| March 2019 | CHF 121.21 | +1.9% |
| February 2019 | CHF 118.90 | +4.2% |
| January 2019 | CHF 114.13 | +0.3% |
About the AI1 data
Daily bars. 2,988 sessions from Dec 19, 2007 to Sep 25, 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 22, 2026 forward, most recent session Sep 22, 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 Dec 19, 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/AI1/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SIX
Common questions
AI1 share price history
